1. For the purposes of section 1.4.1(iii) of Annex V to Directive 2000/60/EC, Member States shall use in their monitoring systems classification the values of the boundaries between classes that are set out in Annex I and II to this Decision.
2. Member States shall complete all the necessary steps in the intercalibration exercise for the results included in Annex II to this Decision by 22 December 2016.
Decision 2008/915/EC is repealed.
This Decision is addressed to the Member States.
ANNEX IGEOGRAPHICAL INTERCALIBRATION GROUP: Alpine
Description of common intercalibration types
Type | River characterisation | Catchment (km2) | Altitude and geomorphology | Alkalinity | Flow regime
R-A1 | Pre-Alpine, small to medium, high altitude calcareous | 10-1 000 | 800-2 500 m (catchment), boulders/cobble | high (but not extremely high) alkalinity |
R-A2 | Small to medium, high altitude, siliceous | 10-1 000 | 500-1 000 m (max. altitude of catchment 3 000 m, mean 1 500 m), boulders | Non-calcareous (granite, metamorphic). medium to low alkalinity | nival-glacial flow regimeCountries sharing the types that have been intercalibrated:
Type R-A1 | : | Germany, Austria, France, Italy, Slovenia
Type R-A2 | : | Austria, France, Italy, SpainALPINE RIVERS GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Benthic invertebrate fauna
Ecological quality ratios of the national classification systems intercalibrated
Type and country | National classification systems intercalibrated | Ecological Quality Ratios
High-Good boundary | Good-Moderate boundary
Type R-A1
Austria | Assessment of the biological quality elements – part benthic invertebrates [Erhebung der biologischen Qualitätselemente – Teil Makrozoobenthos (Detaillierte MZB-Methode)] | 0,80 | 0,60
France | Classification française DCE Indice Biologique Global Normalisé (IBGN). AFNOR NF-T-90-350 and arrêté ministériel du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface | 0,93 | 0,79
Germany | PERLODES – Bewertungsverfahren von Fließgewässern auf Basis des Makrozoobenthos | 0,80 | 0,60
Italy | MacrOper, based on STAR Intercalibration Common Metric Index (STAR_ICMi) | 0,97 | 0,73
Slovenia | Metodologija vrednotenja ekološkega stanja rek z bentoškimi nevretenčarji v Sloveniji (Ecological status assessment system for rivers using benthic invertebrates in Slovenia) | 0,80 | 0,60
Type R-A2
Austria | Assessment of the biological quality elements – part benthic invertebrates [Erhebung der biologischen Qualitätselemente – Teil Makrozoobenthos (Detaillierte MZB-Methode)] | 0,80 | 0,60
France (Alps) | Classification française DCE Indice Biologique Global Normalisé (IBGN). AFNOR NF-T-90-350 and arrêté ministériel du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface | 0,93 | 0,71
France (Pyrenees) | Classification française DCE Indice Biologique Global Normalisé (IBGN). AFNOR NF-T-90-350 and arrêté ministériel du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface | 0,94 | 0,81
Italy | MacrOper, based on STAR Intercalibration Common Metric Index (STAR_ICMi) | 0,95 | 0,71
Spain | Iberian BMWP (IBMWP) | 0,83 | 0,53ALPINE RIVERS GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Macrophytes and Phytobenthos
Sub-Biological Quality Element: Phytobenthos
Ecological quality ratios of the national classification systems intercalibrated
Type and country | National classification systems intercalibrated | Ecological Quality Ratios
High-Good boundary | Good-Moderate boundary
Type R-A1
Austria | Assessment of the biological quality elements – part phytobenthos [Leitfaden zur Erhebung der biologischen Qualitätselemente, Teil A3 – Fließgewässer/Phytobenthos] | 0,88 | 0,56
France | IBD 2007 (Coste et al, Ecol. Ind. 2009). AFNOR NF-T-90-354, December 2007. Arrêté ministériel du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface | 0,94 | 0,78
Germany | Verfahrensanleitung für die ökologische Bewertung von Fließgewässern zur Umsetzung der EG-Wasserrahmenrichtlinie: Makrophyten und Phytobenthos (Phylib), Modul Diatomeen | 0,735 | 0,54
Italy | ICMi (Intercalibration Common Metric) Index (Mancini & Sollazzo, 2009, Phytobenthos Intercalibration Common Metric (pICM: Kelly et al., 2009) | 0,87 | 0,70
Slovenia | Metodologija vrednotenja ekološkega stanja rek s fitobentosom in makrofiti v Sloveniji; fitobentos (Ecological status assessment system for rivers using phytobenthos and macrophytes in Slovenia; Phytobenthos) | 0,80 | 0,60
Type R-A2
Austria | Assessment of the biological quality elements – part phytobenthos [Leitfaden zur Erhebung der biologischen Qualitätselemente, Teil A3 – Fließgewässer/Phytobenthos] | 0,88 | 0,56
France | IBD 2007 (Coste et al, Ecol. Ind. 2009). AFNOR NF-T-90-354, December 2007. Arrêté ministériel du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface | 0,94 | 0,78
Spain | IPS (Coste in Cemagref, 1982) | 0,94 | 0,74
Italy | ICMi (Intercalibration Common Metric) Index (Mancini & Sollazzo, 2009, Phytobenthos Intercalibration Common Metric (pICM: Kelly et al., 2009) | 0,85 | 0,64ALPINE RIVERS GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Macrophytes and Phytobenthos
Sub-Biological Quality Element: MacrophytesNOT APPLICABLEWATER CATEGORY: RiversGEOGRAPHICAL INTERCALIBRATION GROUP: Central/Baltic
Description of common intercalibration types
Type | River characterisation | Catchment (km2) | Altitude & geomorphology | Alkalinity (meq/l)
R-C1 | Small lowland siliceous sand | 10-100 | lowland, dominated by sandy substrate (small particle size), 3-8 m width (bankfull size) | > 0,4
R-C2 | Small lowland siliceous – rock | 10-100 | lowland, rock material3-8 m width (bankfull size) | < 0,4
R-C3 | Small mid-altitude siliceous | 10-100 | mid-altitude, rock (granite) – gravel substrate, 2-10 m width (bankfull size) | < 0,4
R-C4 | Medium lowland mixed | 100-1 000 | lowland, sandy to gravel substrate, 8-25 m width (bankfull size) | > 0,4
R-C5 | Large lowland mixed | 1 000 -10 000 | lowland, barbel zone, variation in velocity, max. altitude in catchment: 800 m, > 25 m width (bankfull size) | > 0,4
R-C6 | Small, lowland, calcareous | 10-300 | lowland, gravel substrate (limestone), width 3-10 m (bankfull size) | > 2Countries sharing the types that have been intercalibrated:
Type R-C1 | : | Belgium (Flanders), Belgium (Wallonia), Germany, Denmark, France, Italy, Lithuania, the Netherlands, Poland, Sweden, United Kingdom
Type R-C2 | : | Spain, France, Ireland, Portugal, Sweden, United Kingdom
Type R-C3 | : | Austria, Belgium (Wallonia), Czech Republic, Germany, Poland, Portugal, Spain, Sweden, France, Latvia, Luxembourg, United Kingdom
Type R-C4 | : | Belgium (Flanders), Belgium (Wallonia), Czech Republic, Germany, Denmark, Estonia, Spain, France, Ireland, Italy, Lithuania, Luxembourg, the Netherlands, Poland, Sweden, United Kingdom
Type R-C5 | : | Belgium (Wallonia), Czech Republic, Estonia, France, Germany, Spain, Ireland. Italy, Latvia, Lithuania, Luxembourg, Netherlands, Poland, Sweden, United Kingdom
Type R-C6 | : | Belgium (Wallonia), Denmark, Estonia, Spain, France, Ireland, Italy, Poland, Lithuania, Luxembourg, Sweden, United KingdomCENTRAL-BALTIC RIVERS GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Benthic invertebrate fauna
Ecological quality ratios of the national classification system intercalibrated
The following results apply to all types as described above.
Country | National classification system intercalibrated | Ecological Quality Ratios
High-Good boundary | Good-Moderate boundary
Austria | Assessment of the biological quality elements – part benthic invertebrates | 0,80 | 0,60
Belgium (Flanders) | Multimetric Macroinvertebrate Index Flanders (MMIF) | 0,90 | 0,70
Belgium (Wallonia) | Indice Biologique Global Normalisé (IBGN) (Norme AFNOR NF T 90 350, 1992) and Arrêté du Gouvernement wallon du 13 septembre 2012 relatif à l’identification, à la caractérisation et à la fixation des seuils d’état écologique applicables aux masses d’eau de surface et modifiant le Livre II du Code de l’Environnement, contenant le Code de l’Eau. Moniteur belge 12.10.2012 | 0,97 (types R-C3,, R-C5, R-C6)0,94 (type R-C1) | 0,74 (types R-C3,, R-C5, R-C6)0,75 (type R-C1)
Czech Republic | Czech system for ecological status assessment of rivers using benthic macroinvertebrates | 0,80 | 0,60
Denmark | Danish Stream Fauna Index (DSFI) | 1,00 | 0,71
Estonia | Estonian surface water ecological quality assessment – river macroinvertebrates | 0,90 | 0,70
Germany | PERLODES – Bewertungsverfahren von Fließgewässern auf Basis des Makrozoobenthos | 0,80 | 0,60
France | Classification française DCE Indice Biologique Global Normalisé (IBGN). AFNOR NF-T-90-350 and arrêté ministériel du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface | 0,94 | 0,80
Ireland | Quality Rating System (Q-value) | 0,85 | 0,75
Italy | MacrOper, based on STAR_ICM index calculation | 0,96 | 0,72
Luxembourg | Classification luxembourgeoise DCE Indice Biologique Global Normalisé (IBGN) 1992, AFNOR NF-T-90-350 et circulaire DCE 2007/22 MEDD/DE/MAGE/BEMA 07/no4 du 11 avril 2007 | 0,96 | 0,72
Netherlands | KRW-maatlat | 0,80 | 0,60
Poland | RIVECOmacrofor ecological status assessment of rivers using benthic macroinvertebrates(Multimetric Macroinvertebrate Index, based on STAR_ICM) | 0,91(type RC1) | 0,72 (type RC1)
Spain | METI | 0,93 | 0,70
Sweden | DJ-index (Dahl & Johnson 2004) | 0,80 | 0,60
United Kingdom | River Invertebrate Classification Tool (RICT)- WHPT | 0,97 | 0,86CENTRAL-BALTIC RIVERS GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Macrophytes and Phytobenthos
Sub-Biological Quality Element: Macrophytes
Ecological quality ratios of the national classification system intercalibrated
Country | National classification system intercalibrated | Type | Ecological Quality Ratios
High-Good boundary | Good-Moderate boundary
Austria | AIM for Rivers (Austrian Index Macrophytes for rivers) | RC-3 | 0,875 | 0,625
Belgium (Flanders) | MAFWAT – Flemish macrophyte assessment system | R-C1 | 0,80 | 0,60
Belgium (Wallonia) | IBMR-WL – Biological Macrophyte Index for Rivers (Arrêté du Gouvernement wallon du 13 septembre 2012 relatif à l’identification, à la caractérisation et à la fixation des seuils d’état écologique applicables aux masses d’eau de surface et modifiant le Livre II du Code de l’Environnement, contenant le Code de l’Eau. Moniteur belge 12.10.2012) | R-C3 | 0,925 | 0,607
Denmark | DSPI – Danish Stream Plant Index | R-C1 | 0,70 | 0,50
R-C4 | 0,70 | 0,50
Germany | Verfahrensanleitung für die ökologische Bewertung von Fließgewässern zur Umsetzung der EG-Wasserrahmenrichtlinie: Makrophyten und Phytobenthos (Phylib), Modul Makrophyten | R-C1 | 0,745 | 0,495
R-C3 | 0,80 | 0,55
R-C4 | 0,575 | 0,395
France | French standard NF T90-395 (2003-10-01). Qualité de l’eau – Détermination de l’indice biologique macrophytique en rivière (IBMR) | R-C3 | 0,93 | 0,79
R-C4 | 0,905 | 0,79
Ireland | MTR – IE – Mean Trophic Ranking | R-C4 | 0,74 | 0,62
Italy | IBMR – IT – Biological Macrophyte Index for Rivers | R-C1 | 0,90 | 0,80
R-C4 | 0,90 | 0,80
Luxembourg | IBMR – LU – Biological Macrophyte Index for Rivers | R-C3 | 0,89 | 0,79
R-C4 | 0,89 | 0,79
Poland | MIR – Macrophyte Index for Rivers | R-C1 | 0,90 | 0,65
R-C3 | 0,91 | 0,684
R-C4 | 0,90 | 0,65
United Kingdom | LEAFPACS – Ecological Classification of Rivers using Macrophytes | R-C1 | 0,80 | 0,60
R-C3 | 0,80 | 0,60
R-C4 | 0,80 | 0,60CENTRAL-BALTIC RIVERS GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Macrophytes and Phytobenthos
Sub-Biological Quality Element: Phytobenthos
Ecological quality ratios of the national classification system intercalibrated
Country | National classification system intercalibrated | Type | Ecological Quality Ratios
High-Good boundary | Good-Moderate boundary
Austria | Assessment of the biological quality elements – part Phytobenthos [Leitfaden zur Erhebung der biologischen Qualitätselemente, Teil A3 -Fließgewässer/Phytobenthos] | All types, altitude < 500 m | 0,70 | 0,42
All types, altitude > 500 m | 0,71 | 0,43
Belgium (Flanders) | Proportions of Impact-Sensitive and Impact-Associated Diatoms (PISIAD) | All types | 0,80 | 0,60
Belgium (Wallonia) | IPS (Coste, in CEMAGREF, 1982; Lenoir & Coste, 1996 and Arrêté du Gouvernement wallon du 13 septembre 2012 relatif à l’identification, à la caractérisation et à la fixation des seuils d’état écologique applicables aux masses d’eau de surface et modifiant le Livre II du Code de l’Environnement, contenant le Code de l’Eau. Moniteur belge 12.10.2012) | All types | 0,98 | 0,73
Estonia | Indice de Polluosensibilité Spécifique (IPS) | All types | 0,85 | 0,70
France | IBD 2007 (Coste et al, Ecol. Ind. 2009). AFNOR NF-T-90-354, December 2007. Arrêté ministériel du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface | All types | 0,94 | 0,78
Germany | Verfahrensanleitung für die ökologische Bewertung von Fließgewässern zur Umsetzung der EG-Wasserrahmenrichtlinie: Makrophyten und Phytobenthos (Phylib), Modul Diatomeen | R-C1 | 0,67 | 0,43
R-C3 | 0,67 | 0,43
R-C4 | 0,61 | 0,43
R-C5 | 0,73 | 0,55
Ireland | Revised form of Trophic Diatom Index (TDI) | All types | 0,93 | 0,78
Italy | ICMi (Intercalibration Common Metric) Index (Mancini & Sollazzo, 2009, Phytobenthos Intercalibration Common Metric (pICM: Kelly et al., 2009) | All types | 0,84 | 0,65
Luxembourg | Indice de Polluosensibilité Spécifique (IPS) | All types | 0,90 | 0,70
Netherlands | KRW Maatlat | All types | 0,80 | 0,60
Poland | Indeks Okrzemkowy IO dla rzek (Diatom Index for rivers) | All types | 0,80 | 0,58
Spain | Diatom multimetric (MDIAT) | R-C2, R-C3, R-C4 | 0,93 | 0,70
Sweden | Swedish assessment methods, Swedish EPA regulations (NFS 2008:1) based on Indice de Polluosensibilité Spécifique (IPS) | All types | 0,89 | 0,74
United Kingdom | Diatom Assessment for River Ecological Status (DARLEQ2) | All types | 1,00 | 0,75WATER CATEGORY: RiversGEOGRAPHICAL INTERCALIBRATION GROUP: Eastern Continental
Description of common intercalibration types
Type | River characterisation | Ecoregion | Catchment (km2) | Altitude (m) | Geology | Substrate
R-E1a | Carpathians: small to medium, mid-altitude | 10 | 10 – 1 000 | 500 – 800 | mixed |
R-E1b | Carpathians: small to medium, mid-altitude | 10 | 10 – 1 000 | 200 – 500 | mixed |
R-E2 | Plains: medium-sized, lowland | 11 and 12 | 100 – 1 000 | < 200 | mixed | sand and silt
R-E3 | Plains: large, lowland | 11 and 12 | > 1 000 | < 200 | mixed | sand, silt and gravel
R-E4 | Plains: medium-sized, mid-altitude | 11 and 12 | 100 – 1 000 | 200 – 500 | mixed | sand and gravel
R-EX4 | Large, mid-altitude | 10, 11 and 12 | > 1 000 | 200 – 500 | mixed | gravel and boulder
R-EX5 | Plains: small lowland | 11 and 12 | 10 – 100 | < 200 | mixed | sand and silt
R-EX6 | Plains: small, mid-altitude | 11 and 12 | 10 – 100 | 200 – 500 | mixed | gravel
R-EX7 | Balkan: small, calcareous, mid-altitude | 5 | 10-100 | 200-500 | calcareous | gravel
R-EX8 | Balkan: small to medium-sized, calcareous karst spring | 5 | 10-1 000 | | calcareous | gravel, sand and siltCountries sharing the types that have been intercalibrated:
Type R-E1a | : | Bulgaria, Czech Republic, Romania, Slovakia
Type R-E1b | : | Bulgaria, Czech Republic, Hungary, Romania, Slovakia
Type R-E2 | : | Bulgaria, Czech Republic, Hungary, Romania, Slovakia
Type R-E3 | : | Bulgaria, Czech Republic, Hungary, Romania, Slovakia
Type R-E4 | : | Austria, Bulgaria, Hungary, Romania, Slovakia, Slovenia
Type R-EX4 | : | Czech Republic, Romania, Slovakia
Type R-EX5 | : | Bulgaria, Hungary, Romania, Slovenia, Slovakia
Type R-EX6 | : | Bulgaria, Hungary, Romania, Slovenia
Type R-EX7 | : | Slovenia
Type R-EX8 | : | Bulgaria, SloveniaEASTERN CONTINENTAL RIVERS GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Benthic invertebrate fauna
Ecological quality ratios of the national classification systems intercalibrated
Country | National classification system intercalibrated | Type | Ecological Quality Ratios
High-Good boundary | Good-Moderate boundary
Austria | Assessment of the biological quality elements – part benthic invertebrates | R-E4 | 0,80 | 0,60
Bulgaria | Irish biotic index | R-E1a, R-E1b | 0,86 | 0,67
Czech Republic | Czech system for ecological status assessment of rivers using benthic macroinvertebrates | R-E1a, R-E1b, R-E2, R-E3 | 0,80 | 0,60
Hungary | Hungarian Multimetric Macroinvertebrate Index | R-E1b, R-E3, R-E4, R-EX5, R-EX6 | 0,80 | 0,60
Romania | Assessment method for ecological status of water bodies based on macroinvertebrates | R-E1a, R-E1b, R-E3, R-EX4 | 0,74 | 0,58
Slovenia | Metodologija vrednotenja ekološkega stanja rek z bentoškimi nevretenčarji v Sloveniji | R-E4, R-EX5, R-EX6 | 0,80 | 0,60
Slovakia | Slovak assessment of benthic invertebrates in rivers | R-E1a, R-E1b, R-E2, R-E3, R-E4, R-EX4 | 0,80 | 0,60EASTERN CONTINENTAL RIVERS GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Macrophytes and Phytobenthos
Sub-Biological Quality Element: Macrophytes
Ecological quality ratios of the national classification systems intercalibrated
Country | National classification system intercalibrated | Type | Ecological Quality Ratios
High-Good boundary | Good-Moderate boundary
Austria | AIM for Rivers (Austrian Index Macrophytes for rivers) | R-E4 | 0,875 | 0,625
Bulgaria | Reference Index | R-E2, R-E3 | 0,570 | 0,370
Bulgaria | Reference Index | R-E4 | 0,510 | 0,270
Hungary | Reference Index | R-E2, R-E3 | 0,700 | 0,370
Slovenia | River Macrophyte Index | R-E2, R-E3, R-E4 | 0,800 | 0,600
Slovakia | Biological Macrophyte Index for Rivers | R-E2, R-E3, R-E4 | 0,800 | 0,600EASTERN CONTINENTAL RIVERS GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Macrophytes and Phytobenthos
Sub-Biological Quality Element: Phytobenthos
Ecological quality ratios of the national classification systems intercalibrated
Country | National classification system intercalibrated | Type | Ecological Quality Ratios
High-Good boundary | Good-Moderate boundary
Austria | Assessment of the biological quality elements – part phytobenthos | R-E4 | 0,70 | 0,42
Bulgaria | Ecological status assessment of rivers in Bulgaria based on IPS diatom index | R-E1a, R-E1b, R-E3 | 0,87 (national type R2, R4)0,85 (national type R7, R8) | 0,66 (national type R2, R4)0,64 (national type R7, R8)
Czech Republic | Assessment system for rivers using phytobenthos | R-E1a, R-E1b, R-E2, R-E3, R-EX4 | 0,80 | 0,60
Hungary | Ecological status assessment for rivers based on diatoms | R-E2, R-E3, R-EX5 | 0,80 | 0,60
Slovenia | Metodologija vrednotenja ekološkega stanja rek s fitobentosom in makrofiti v Sloveniji; fitobentos (Ecological status assessment system for rivers using phytobenthos and macrophytes in Slovenia; Phytobenthos) | R-E4, R-EX5, R-EX6, R-EX7, R-EX8 | 0,80 | 0,60
Slovakia | Ecological status assessment system for rivers using phytobenthos | R-E1a, R-E1b, R-E2, R-E3, R-E4, R-EX4 | 0,90 | 0,70WATER CATEGORY: RiversGEOGRAPHICAL INTERCALIBRATION GROUP: Mediterranean
Description of common intercalibration types
Type | River characterisation | Catchment (km2) | Geology | Flow regime
R-M1 | Small mediterranean streams | < 100 | Mixed (except silicious) | Highly seasonal
R-M2 | Medium mediterranean streams | 100-1 000 | Mixed (except silicious) | Highly seasonal
R-M4 | Mediterranean mountain streams | | Non-silicious | Highly seasonal
R-M5 | Temporaty streams | | | TemporaryCountries sharing the types that have been intercalibrated:
Type R-M1 | : | France, Greece, Italy, Portugal, Slovenia, Spain
Type R-M2 | : | France, Greece, Italy, Portugal, Slovenia, Spain
Type R-M4 | : | Cyprus, France, Greece, Italy, Spain
Type R-M5 | : | Cyprus, Italy, Portugal, Slovenia, SpainMEDITERRANEAN RIVERS GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Benthic invertebrate faunaResults: Ecological quality ratios of the national classification systems intercalibrated
Type and country | National classification system intercalibrated | Ecological Quality Ratios
High-Good boundary | Good-Moderate boundary
R-M1
France | Classification française DCE Indice Biologique Global Normalisé (IBGN). AFNOR NF-T-90-350 and arrêté ministériel du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface | 0,940 | 0,700
Italy | MacrOper (based on STAR Intercalibration Common Metric Index ICMi) | 0,970 | 0,720
Portugal | Rivers Biological Quality Assessment Method-Benthic Invertebrates (IptIN, IptIS) | 0,870 (type 1)0,850 (type 3) | 0,678 (type 1)0,686 (type 3)
Slovenia | Metodologija vrednotenja ekološkega stanja rek z bentoškimi nevretenčarji v Sloveniji (Ecological status assessment system for rivers using benthic invertebrates in Slovenia) | 0,800 | 0,600
Spain | Iberian Biological Monitoring Working Party (IBMWP) | 0,845 | 0,698
Spain | Iberian Mediterranean Multimetric Index—using quantitative data (IMMi-T) | 0,811 | 0,707
R-M2
France | Classification française DCE Indice Biologique Global Normalisé (IBGN). AFNOR NF-T-90-350 and arrêté ministériel du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface | 0,940 | 0,700
Italy | MacrOper (based on STAR Intercalibration Common Metric Index ICMi) | 0,940 | 0,700
Portugal | Rivers Biological Quality Assessment Method-Benthic Invertebrates (IptIN, IptIS) | 0,830 (type 2)0,880 (type 4) | 0,693 (type 2)0,676 (type 4)
Slovenia | Metodologija vrednotenja ekološkega stanja rek z bentoškimi nevretenčarji v Sloveniji (Ecological status assessment system for rivers using benthic invertebrates in Slovenia) | 0,800 | 0,600
Spain | Iberian Biological Monitoring Working Party (IBMWP) | 0,845 | 0,698
Spain | Iberian Mediterranean Multimetric Index—using quantitative data (IMMi-T) | 0,811 | 0,707
R-M4
France | Classification française DCE Indice Biologique Global Normalisé (IBGN). AFNOR NF-T-90-350 and arrêté ministériel du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface | 0,940 | 0,700
Cyprus | STAR Intercalibration Common Metric Index (STAR_ICMi) | 0,972 | 0,729
Italy | MacrOper (based on STAR Intercalibration Common Metric Index ICMi) | 0,940 | 0,700
Spain | Iberian Biological Monitoring Working Party (IBMWP) | 0,840 | 0,700
Spain | Iberian Mediterranean Multimetric Index—using quantitative data (IMMi-T) | 0,850 | 0,694
R-M5
Cyprus | STAR Intercalibration Common Metric Index (STAR_ICMi) | 0,982 | 0,737
Italy | MacrOper (based on STAR Intercalibration Common Metric Index ICMi) | 0,970 | 0,730
Portugal | Rivers Biological Quality Assessment Method-Benthic Invertebrates (IptIN, IptIS) | 0,973 (type 5)0,961 (type 6) | 0,705 (type 5)0,708 (type 6)
Slovenia | Metodologija vrednotenja ekološkega stanja rek z bentoškimi nevretenčarji v Sloveniji (Ecological status assessment system for rivers using benthic invertebrates in Slovenia) | 0,800 | 0,600
Spain | Iberian Biological Monitoring Working Party (IBMWP) | 0,830 | 0,630
Spain | Iberian Mediterranean Multimetric Index—using quantitative data (IMMi-T) | 0,830 | 0,620MEDITERRANEAN RIVERS GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Macrophytes and Phytobenthos
Sub-Biological Quality Element: MacrophytesResults: Ecological quality ratios of the national classification systems intercalibrated
Type and country | National classification system intercalibrated | Ecological Quality Ratios
High-Good boundary | Good-Moderate boundary
R-M1, 2, 4
Cyprus | IBMR – Biological Macrophyte Index for Rivers | 0,795 | 0,596
France | French standard NF T90-395 (2003-10-01) Qualité de l’eau – Détermination de l’indice biologique macrophytique en rivière (IBMR) | 0,930 | 0,745
Greece | IBMR – Biological Macrophyte Index for Rivers | 0,750 | 0,560
Italy | IBMR – Biological Macrophyte Index for Rivers | 0,900 | 0,800
Portugal | IBMR – Biological Macrophyte Index for Rivers | 0,920 | 0,690
Slovenia | RMI – River Macrophyte Index | 0,800 | 0,600
Spain | IBMR – Biological Macrophyte Index for Rivers | 0,950 | 0,740MEDITERRANEAN RIVERS GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Macrophytes and Phytobenthos
Sub-Biological Quality Element: PhytobenthosResults: Ecological quality ratios of the national classification systems intercalibrated
Type and country | National classification system intercalibrated | Ecological Quality Ratios
High-Good boundary | Good-Moderate boundary
R-M1
France | IBD 2007 (Coste et al, Ecol. Ind. 2009). AFNOR NF-T-90-354, December 2007. Arrêté ministériel du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface | 0,940 | 0,780
Italy | ICMi (Intercalibration Common Metric) Index (Mancini & Sollazzo, 2009) | 0,800 | 0,610
Portugal | IPS (Coste in Cemagref, 1982) | 0,970 (type 1)0,910 (type 3) | 0,730 (type 1)0,680 (type 3)
Slovenia | Metodologija vrednotenja ekološkega stanja rek s fitobentosom in makrofiti v Sloveniji; fitobentos (Ecological status assessment system for rivers using phytobenthos and macrophytes in Slovenia; Phytobenthos) | 0,800 | 0,600
Spain | IPS (Coste in Cemagref, 1982) | 0,937 | 0,727
R-M2
France | IBD 2007 (Coste et al, Ecol. Ind. 2009). AFNOR NF-T-90-354, December 2007. Arrêté ministériel du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface | 0,940 | 0,780
Italy | ICMi (Intercalibration Common Metric) Index (Mancini & Sollazzo, 2009) | 0,800 | 0,610
Portugal | IPS (Coste in Cemagref, 1982) | 0,910 (type 2)0,970 (type 4) | 0,680 (type 2)0,730 (type 4)
Slovenia | Metodologija vrednotenja ekološkega stanja rek s fitobentosom in makrofiti v Sloveniji; fitobentos (Ecological status assessment system for rivers using phytobenthos and macrophytes in Slovenia; Phytobenthos) | 0,800 | 0,600
Spain | IPS (Coste in Cemagref, 1982) | 0,938 | 0,727
R-M4
Cyprus | IPS (Coste in Cemagref, 1982) | 0,910 | 0,683
France | IBD 2007 (Coste et al, Ecol. Ind. 2009)AFNOR NF-T-90-354, December 2007Arrêté ministériel du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface | 0,940 | 0,780
Italy | ICMi (Intercalibration Common Metric) Index (Mancini & Sollazzo, 2009) | 0,800 | 0,610
Spain | IPS (Coste in Cemagref, 1982) | 0,935 | 0,727
R-M5
Cyprus | IPS (Coste in Cemagref, 1982) | 0,958 | 0,718
Italy | ICMi (Intercalibration Common Metric) Index (Mancini & Sollazzo, 2009) | 0,880 | 0,650
Portugal | IPS (Coste in Cemagref, 1982) | 0,940 | 0,700
Slovenia | Metodologija vrednotenja ekološkega stanja rek s fitobentosom in makrofiti v Sloveniji; fitobentos (Ecological status assessment system for rivers using phytobenthos and macrophytes in Slovenia; Phytobenthos) | 0,800 | 0,600
Spain | IPS (Coste in Cemagref, 1982) | 0,935 | 0,700WATER CATEGORY: RiversGEOGRAPHICAL INTERCALIBRATION GROUP: Northern
Description of common intercalibration types
Type | River characterisation | Catchment area (of stretch) | Altitude & geomorphology | Alkalinity (meq/l) | Organic material (mg Pt/l)
R-N1 | Small lowland siliceous moderate alkalinity | 10-100 km2 | < 200 m or below the highest coastline | 0,2 – 1 | < 30(< 150 in Ireland)
R-N3 | Small/medium lowland organic low alkalinity | 10-1 000 km2 | 30
R-N4 | Medium lowland siliceous moderate alkalinity | 100-1 000 km2 | 0,2 – 1 | < 30
R-N5 | Small mid-altitude siliceous low alkalinity | 10-100 km2 | Between lowland and highland | < 0,2 | < 30Countries sharing the types that have been intercalibrated:
Type R-N1 | : | Finland, Ireland, Norway, Sweden, United Kingdom
Type R-N3 | : | Finland, Ireland, Norway, Sweden, United Kingdom
Type R-N4 | : | Finland, Norway, Sweden, United Kingdom
Type R-N5 | : | Finland, Norway, Sweden, United KingdomNORTHERN RIVERS GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Benthic invertebrate fauna (methods sensitive for organic enrichment and general degradation)Results: ecological quality ratios of national classification systems intercalibrated
The following results apply to all types as described above
Country | National classification system intercalibrated | Ecological Quality Ratios
High-Good boundary | Good-Moderate boundary
Finland | Multimetric system, first version established | 0,80 | 0,60
Ireland | Quality Rating System (Q-value) | 0,85 | 0,75
Norway | ASPT | 0,99 | 0,87
Sweden | DJ-index (Dahl & Johnson 2004) | 0,80 | 0,60
United Kingdom | River Invertebrate Classification Tool (RICT)- WHPT | 0,97 | 0,86NORTHERN RIVERS GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Benthic invertebrate fauna (methods sensitive for acidification)Results: ecological quality ratios of national classification systems intercalibrated
The following results apply to clear, low alkalinity river types
Country | National classification system intercalibrated | Ecological Quality Ratios
High-Good boundary | Good-Moderate boundary
Norway | AcidIndex2 (Modified Raddum index2) (river acidification) | 0,675 | 0,515
United Kingdom – Scotland | WFD-AWICsp: WFD Acid Water Indicator Community species | 0,910 | 0,830
United Kingdom – England and Wales | WFD-AWICsp: WFD Acid Water Indicator Community species | 0,980 | 0,890Results: ecological quality ratios of national classification systems intercalibrated
The following results apply to humic, low alkalinity river types
Country | National classification system intercalibrated | Ecological Quality Ratios
High-Good boundary | Good-Moderate boundary
Sweden | MISA: Multimetric Invertebrate Stream Acidification index | 0,550 | 0,400
United Kingdom | WFD-AWICsp: WFD Acid Water Indicator Community species | 0,930 | 0,830NORTHERN RIVERS GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Macrophytes and Phytobenthos
Sub-Biological Quality Element: PhytobenthosResults: Ecological quality ratios of the national classification systems intercalibrated
The following results apply to all types as described above
Country | National classification system intercalibrated | Ecological Quality Ratios
High-Good boundary | Good-Moderate boundary
Finland | Indice de Polluosensibilité Spécifique (IPS) | 0,91 | 0,80
Sweden | Indice de Polluosensibilité Spécifique (IPS) | 0,89 | 0,74
Ireland | Revised form of Trophic Diatom Index (TDI) | 0,93 | 0,78
United Kingdom | DARLEQ 2 | 1,00 | 0,75
Norway | Periphyton Index of Trophic Status (PIT) | 0,99 (Ca ≤ 1 mg/L)0,95 (Ca > 1 mg/L) | 0,83NORTHERN RIVERS GEOGRAPHICAL INTERCALIBRATION GROUP
Biological Quality Element: Macrophytes and Phytobenthos
Sub-Biological Quality Element: MacrophytesINTERCALIBRATION NOT COMPLETEDWATER CATEGORY: RiversGEOGRAPHICAL INTERCALIBRATION GROUPS: AllBIOLOGICAL QUALITY ELEMENT: Fish faunaOverview of regional groups that have been established for the river fish intercalibration:
Lowland-Midland group– Belgium (Flanders), Belgium (Wallonia), France, Germany, Netherlands, Lithuania, Luxembourg, UNITED KINGDOM (England and Wales), Poland, Latvia, Estonia, Denmark, Hungary
Nordic group– Finland, Ireland, Sweden, UNITED KINGDOM (Scotland and Northern Ireland), Norway
Alpine-type Mountains group– Austria, France, Germany, Slovenia
Mediterranean South Atlantic group– Portugal, Spain, Italy, Greece
Danubian group– Czech Republic, Romania, Slovakia, Bulgaria
Results:Ecological quality ratios of the national classification systems intercalibrated
Lowland-midland group
Country | National classification system intercalibrated | Ecological Quality Ratios
High-Good boundary | Good-Moderate boundary
Belgium Flanders | Upstream and Lowland IBI | 0,850 | 0,650
Belgium Wallonia | IBIP (Arrêté du Gouvernement wallon du 13 septembre 2012 relatif à l’identification, à la caractérisation et à la fixation des seuils d’état écologique applicables aux masses d’eau de surface et modifiant le Livre II du Code de l’Environnement, contenant le Code de l’Eau. Moniteur belge 12.10.2012) | 0,958 | 0,792
France | Classification française DCE Indice Poissons Rivière (IPR). AFNOR NF-T-90-344. Arrêté du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface | 1,131 | 0,835
Germany | FIBS – fischbasiertes Bewertungssystem für Fließgewässer zur Umsetzung der EG-Wasserrahmenrichtlinie in Deutschland | 1,086 | 0,592
Luxembourg | Classification française DCE Indice Poissons Rivière (IPR). AFNOR NF-T-90-344. Arrêté du 25 janvier 2010 modifié relatif aux méthodes et critères d’évaluation de l’état écologique {…} des eaux de surface | 1,131 | 0,835
Netherlands | NLFISR | 0,800 | 0,600
Lithuania | LZI | 0,940 | 0,720
Nordic group
Country | National classification system intercalibrated | Ecological Quality Ratios
High-Good boundary | Good-Moderate boundary
Finland | Finnish Fish Index (FiFi) – type L2 | 0,665 | 0,499
Finland | Finnish Fish Index (FiFi) – type L3 | 0,658 | 0,493
Finland | Finnish Fish Index (FiFi) – type M1 | 0,709 | 0,532
Finland | Finnish Fish Index (FiFi) – type M2 | 0,734 | 0,550
Finland | Finnish Fish Index (FiFi) – type M3 | 0,723 | 0,542
Ireland | FCS2 IRELAND | 0,845 | 0,540
Sweden | Swedish method VIX | 0,739 | 0,467
United Kingdom – Northern Ireland | IR_FCS2 | 0,845 | 0,540
United Kingdom –Scotland | FCS2 Scotland | 0,850 | 0,600
Mediterranean group
Country | National classification system intercalibrated | Ecological Quality Ratios
High-Good boundary | Good-Moderate boundary
Portugal | F_IBIP | 0,850 | 0,675
Spain | IBIMED – type T2 | 0,816 | 0,705
Spain | IBIMED – type T3 | 0,929 | 0,733
Spain | IBIMED – type T4 | 0,864 | 0,758
Spain | IBIMED – type T5 | 0,866 | 0,650
Spain | IBIMED – type T6 | 0,916 | 0,764
Danubian group
Country | National classification system intercalibrated | Ecological Quality Ratios
High-Good boundary | Good-Moderate boundary
Czech Republic | Czech multimetric method CZI | 0,780 | 0,585
Romania | EFI+ European Fish index (cyprinid_wading type) | 0,939 | 0,700
Romania | EFI+ European Fish index (salmonid type) | 0,911 | 0,755
Slovakia | Fish Index of SlovakiaFIS | 0,710 | 0,570
Alpine group
Country | National classification system intercalibrated | Ecological Quality Ratios
High-Good | Good-Moderate
Austria | FIA | 0,875 | 0,625
France | FBI | 1,131 | 0,876
Germany | FIBS – fischbasiertes Bewertungssystem für Fließgewässer zur Umsetzung der EG-Wasserrahmenrichtlinie in Deutschland | 1,086 | 0,592
Slovenia | SIFAIR | 0,800 | 0,600WATER CATEGORY: RiversGEOGRAPHICAL INTERCALIBRATION GROUPS: All – Very Large Rivers
Description of common intercalibration types
Type | River characterisation | Catchment area (of stretch) | Alkalinity (meq/l)
R-L1 | Very large low alkalinity rivers | > 10 000 km2 | < 0,5
R-L2 | Very large medium to high alkalinity rivers | > 10 000 km2 | > 0,5Countries sharing the types that have been intercalibrated:
Type R-L1 | : | Finland, Norway, Sweden
Type R-L2 | : | Austria, Belgium (Flanders), Bulgaria, Croatia, Czech Republic, Estonia, France, Germany, Greece, Hungary, Italy, Latvia, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, SwedenVERY LARGE RIVERS GEOGRAPHICAL INTERCALIBRATION GROUP
Biological Quality Element: Macrophytes and Phytobenthos
Sub-Biological Quality Element: PhytobenthosResults: ecological quality ratios of national classification systems intercalibrated
The following results apply to low alkalinity very large rivers (type R-L1)
Country | National classification system intercalibrated | Ecological Quality Ratios
High-Good boundary | Good-Moderate boundary
Finland | Indice de Polluosensibilité Spécifique (Specific Pollution Sensitivity Index SPI) | 0,80 | 0,60
Sweden | Benthic algae in running water – diatom analysis | 0,89 | 0,74The following results apply to medium to high alkalinity very large rivers (type R-L2)
Country | National classification system intercalibrated | Ecological Quality Ratios
High-Good boundary | Good-Moderate boundary
Austria | Assessment of the Biological Quality Elements – part phytobenthos | 0,85 | 0,57
Czech Republic | Assessment system for rivers using phytobenthos | 0,80 | 0,60
Estonia | Estonian surface water ecological quality assessment – river phytobenthos | 0,83 | 0,64
Germany | Verfahrensanleitung für die ökologische Bewertung von Fließgewässern zur Umsetzung der EG-Wasserrahmenrichtlinie: Makrophyten und Phytobenthos (Phylib), Modul Diatomeen | 0,725 | 0,545
Hungary | Ecological status assessment for rivers based on diatoms | 0,762 | 0,60
Netherlands | WFD-metrics for natural water types | 0,80 | 0,60
Slovakia | Ecological status assessment system for rivers using phytobenthos | 0,90 | 0,70
Slovenia | Metodologija vrednotenja ekološkega stanja rek s fitobentosom in makrofiti v Sloveniji; fitobentos (Ecological status assessment system for rivers using phytobenthos and macrophytes in Slovenia; Phytobenthos) | 0,80 | 0,60WATER CATEGORY: RiversGEOGRAPHICAL INTERCALIBRATION GROUP: All – Very Large RiversBIOLOGICAL QUALITY ELEMENTS: Macrophytes, Phytoplankton, Fish, Benthic InvertebratesINTERCALIBRATION NOT COMPLETEDWATER CATEGORY: LakesGEOGRAPHICAL INTERCALIBRATION GROUP: Alpine
Description of common intercalibration types
Type | Lake characterisation | Altitude (m above sea level) | Mean depth (m) | Alkalinity (meq/l) | Lake size (km2)
L-AL3 | Lowland or mid-altitude, deep, moderate to high alkalinity (alpine influence), large | 50 – 800 | > 15 | > 1 | > 0,5
L-AL4 | Mid-altitude, shallow, moderate to high alkalinity (alpine influence), large | 200 – 800 | 3 – 15 | > 1 | > 0,5Countries sharing types that have been intercalibrated:
Types L-AL3 | : | Austria, France, Germany, Italy and Slovenia
Types L-AL4 | : | Austria, France, Germany, ItalyALPINE LAKES GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Phytoplankton
Member State | National classification systems intercalibrated | Ecological Quality Ratios
High-good boundary | Good-moderate boundary
Austria | Evaluation of the biological quality elements, Part B2 – phytoplankton | 0,80 | 0,60
Germany | PSI (Phyto-Seen-Index) – Bewertungsverfahren für Seen mittels Phytoplankton zur Umsetzung der EG-Wasserrahmenrichtlinie in Deutschland | 0,80 | 0,60
Italy | Italian Phytoplankton Assessment Method (IPAM) | 0,80 | 0,60
Slovenia | Metodologija vrednotenja ekološkega stanja jezer s fitoplanktonom v Sloveniji (Ecological status assessment system for lakes using phytoplankton in Slovenia) | 0,80 | 0,60ALPINE LAKES GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Macrophytes and Phytobenthos
Sub-Biological Quality Element: Macrophytes
Member State | National classification systems intercalibrated | | Ecological Quality Ratios
High-good boundary | Good-moderate boundary
Austria | AIM for Lakes (Austrian Index Macrophytes for lakes) | L-AL3+L-AL4 | 0,80 | 0,60
France | IBML (French Macrophyte Index for Lakes) | L-AL3+L-AL4 | 0,92 | 0,72
Germany | PHYLIB for Lakes (German Assessment system for Macrophytes & Phytobenthos for lakes for implementation of the WFD): Module Macrophytes | L-AL3+L-AL4 | 0,76 | 0,51
Germany | PHYLIB for Lakes (German Assessment system for Macrophytes & Phytobenthos for lakes for implementation of the WFD): Modules Macrophytes & Phytobenthos | LAL4 | 0,74 | 0,47
Italy | MacroIMMI (Macrophytic index for the evaluation of the ecological quality of the Italian lakes) | L-AL3+L-AL4 | 0,80 | 0,60
Slovenia | SMILE (Slovenian macrophyte-based index for lake ecosystems) | L-AL3 | 0,80 | 0,60ALPINE LAKES GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Benthic invertebrates
Member State | National classification systems intercalibrated | Ecological Quality Ratios
High-good boundary | Good-moderate boundary
Slovenia | Metodologija vrednotenja ekološkega stanja jezer z bentoškimi nevretenčarji v Sloveniji (Ecological status assessment system for lakes using benthic invertebrates in Slovenia) | 0,80 | 0,60
Germany | AESHNA – Bewertungsverfahren für das eulitorale Makrozoobenthos in Seen zur Umsetzung der EG-Wasserrahmenrichtlinie in Deutschland | 0,80 | 0,60ALPINE LAKES GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Fish faunaResults:Ecological quality ratios of national classification systems intercalibrated
Member State | National classification systems intercalibrated | Ecological Quality Ratios
High-good boundary | Good-moderate boundary
Austria | ALFI (Austrian lake fish index): A multimetric index to assess the ecological status of alpine lakes based on fish fauna. | 0,80 | 0,60
Germany | DELAFI_SITE – Deutsches probennahmestandort-spezifisches Bewertungsverfahren für Fische in Seen zur Umsetzung der EG-Wasserrahmenrichtlinie | 0,85 | 0,69
Italy | Lake Fish Index (LFI) | 0,82 | 0,64WATER CATEGORY: LakesGEOGRAPHICAL INTERCALIBRATION GROUP: Central / Baltic
Description of common intercalibration types
Type | Lake characterisation | Altitude (m above sea level) | Mean depth (m) | Alkalinity (meq/l) | Residence time (years)
L-CB1 | Lowland, shallow, calcareous | 1 | 1 – 10
L-CB2 | Lowland, very shallow, calcareous | < 200 | 1 | 0,1 – 1Countries sharing types that have been intercalibrated:
Types L-CB1 | : | Belgium, Germany, Denmark, Estonia, Ireland, Lithuania, Latvia, Netherlands, Poland, United Kingdom
Types L-CB2 | : | Belgium, Germany, Denmark, Estonia, Ireland, Lithuania, Latvia, Netherlands, Poland, United KingdomCENTRAL / BALTIC LAKES GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: PhytoplanktonResults: Ecological quality ratios of national classification systems intercalibrated
| National classification systems intercalibrated | Ecological Quality Ratios
High-good boundary | Good-moderate boundary
Belgium (Flanders) | Flemish phytoplankton assessment method for lakes | 0,80 | 0,60
Germany | PSI (Phyto-See-Index) – Bewertungsverfahren für Seen mittels Phytoplankton zur Umsetzung der EG-Wasserrahmenrichtlinie in Deutschland – German Phyto-Lake-Index (Phyto-See-Index) | 0,80 | 0,60
Denmark | Danish Phytoplankton Index | 0,80 | 0,60
Estonia | Estonian surface water ecological quality assessment – lake phytoplankton | 0,80 | 0,60
Ireland | IE Lake Phytoplankton Index | 0,80 | 0,60
Netherlands | WFD- metrics for natural watertypes | 0,80 | 0,60
Poland | Phytoplankton method for Polish Lakes (PMPL) | 0,80 | 0,60
United Kingdom | Phytoplankton Lakes Assessment Tool (PLUTO) | 0,80 | 0,60CENTRAL / BALTIC LAKES GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Macrophytes and Phytobenthos
Sub-Biological Quality Element: MacrophytesResults: Ecological quality ratios of national classification systems intercalibrated
Member State | National classification systems intercalibrated | IC Type | Ecological Quality Ratios
High-good boundary | Good-moderate boundary
Belgium (Flanders) | Flemish macrophyte assessment system | All types | 0,80 | 0,60
Denmark | Danish Lake Macrophytes Index | All types | 0,80 | 0,60
Estonia | Estonian surface water ecological quality assessment – lake macrophytes | LCB1 | 0,78 | 0,52
LCB2 | 0,76 | 0,50
Germany | Verfahrensanleitung für die ökologische Bewertung von Seen zur Umsetzung der EG-Wasserrahmenrichtlinie: Makrophyten und Phytobenthos (Phylib), Modul Makrophyten | All types | 0,80 | 0,60
Lithuania | Lithuanian macrophyte assessment method | All types | 0,75 | 0,50
Latvia | Latvian macrophyte assessment method | All types | 0,80 | 0,60
Netherlands | WFD-metrics for natural water types | All types | 0,80 | 0,60
Poland | Macrophyte based indication method for lakes – Ecological Status Macrophyte Index ESMI (multimetric) | All types | 0,68 | 0,41
United Kingdom | LEAFPACS lake macrophyte classification tool(*1) | All types | 0,80 | 0,66CENTRAL / BALTIC LAKES GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Benthic invertebratesResults: Ecological quality ratios of national classification systems intercalibrated
Member State | National classification systems intercalibrated | Ecological Quality Ratios
High-good boundary | Good-moderate
Belgium (Flanders) | Multimetric Macroinvertebrate Index Flanders (MMIF) | 0,90 | 0,70
Germany | AESHNA – Bewertungsverfahren für das eulitorale Makrozoobenthos in Seen zur Umsetzung der EG-Wasserrahmenrichtlinie in Deutschland | 0,80 | 0,60
Estonia | Estonian surface water ecological quality assessment – lake macroinvertebrates | 0,86 | 0,70
Lithuania | Lithuanian Lake Macroinvertebrate Index | 0,74 | 0,50
Netherlands | WFDi – Metric for Natural Watertypes | 0,80 | 0,60
United Kingdom | Chironomid Pupal Exuvial Technique (CPET) | 0,77 | 0,64CENTRAL / BALTIC LAKES GEOGRAPHICAL INTERCALIBRATION GROUP
Biological Quality Element: Fish faunaINTERCALIBRATION NOT COMPLETEDEASTERN / CONTINENTAL LAKES GEOGRAPHICAL INTERCALIBRATION GROUP
Biological Quality Element: PhytoplanktonINTERCALIBRATION NOT COMPLETEDEASTERN CONTINENTAL LAKES GEOGRAPHICAL INTERCALIBRATION GROUP
Biological Quality Element: Macrophytes and Phytobenthos
Sub-Biological Quality Element: MacrophytesINTERCALIBRATION NOT COMPLETEDEASTERN CONTINENTAL LAKES GEOGRAPHICAL INTERCALIBRATION GROUP
Biological Quality Element: Benthic invertebratesINTERCALIBRATION NOT COMPLETEDEASTERN CONTINENTAL LAKES GEOGRAPHICAL INTERCALIBRATION GROUPBiological Quality Element: Fish fauna
INTERCALIBRATION NOT COMPLETEDWATER CATEGORY: LakesGEOGRAPHICAL INTERCALIBRATION GROUP: Mediterranean
Description of common intercalibration types
Type | Lake characterization | Altitude (m) | Annual mean precipitation (mm) and T (°C) | Mean depth (m) | Area (km2) | Catchment (km2) | Alkalinity (meq/l)
L-M5/7 | Reservoirs, deep, large,siliceous, “wet”areas | 800 and /or 15 | 0,5-50 | < 20 000 | < 1
L-M8 | Reservoirs, deep, large,calcareous | 15 | 0,5-50 | 1Countries sharing types that have been intercalibrated:
Types L-M5/7 | : | Greece, France, Italy, Portugal, Romania, Spain
Types L-M8 | : | Cyprus, France, Italy, Romania, SpainMEDITERRANEAN LAKES GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: PhytoplanktonResults: Ecological quality ratios of national classification systems intercalibrated
Member State | National classification methods intercalibrated | Ecological Quality Ratios
High-good | Good-moderate
LM 5/7
Spain | Mediterranean Assessment System for Reservoirs Phytoplankton (MASRP). | n.d.(*2) | 0,58
Portugal | Reservoirs Biological Quality Assessment Method – Phytoplankton (New Mediterranean Assessment System for Reservoirs Phytoplankton: NMASRP). | n.d. | 0,60
Italy | New Italian Method (NITMET) | n.d. | 0,60
L-M8
Spain | Mediterranean Assessment System for Reservoirs Phytoplankton (MASRP). | n.d. | 0,60
Cyprus | New Mediterranean Assessment System for Reservoirs Phytoplankton (NMASRP). | n.d. | 0,60
Italy | New Italian Method (NITMET) | n.d. | 0,60MEDITERRANEAN LAKES GEOGRAPHICAL INTERCALIBRATION GROUP
Biological Quality Element: Macrophytes and Phytobenthos
Sub-Biological Quality Element: MacrophytesINTERCALIBRATION NOT COMPLETEDMEDITERRANEAN LAKES GEOGRAPHICAL INTERCALIBRATION GROUP
Biological Quality Element: Benthic invertebratesINTERCALIBRATION NOT COMPLETEDMEDITERRANEAN LAKES GEOGRAPHICAL INTERCALIBRATION GROUP
Biological Quality Element: Fish faunaINTERCALIBRATION NOT COMPLETEDWATER CATEGORY: LakesGEOGRAPHICAL INTERCALIBRATION GROUP: NorthernNORTHERN LAKES GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Phytoplankton
Description of common intercalibration types
Type | Lake characterisation | Altitude (m above sea level) | Mean depth (m) | Alkalinity (meq/l) | Colour (mg Pt/l)
L-N1 | Lowland, shallow, moderate alkalinity, clear | < 200 | 3 – 15 | 0,2 – 1 | < 30
L-N2a | Lowland, shallow, low alkalinity, clear | < 200 | 3 – 15 | < 0,2 | < 30
L-N2b | Lowland, deep, low alkalinity, clear | 15 | < 0,2 | < 30
L-N3a | Lowland, shallow, low alkalinity, meso-humic | < 200 | 3 – 15 | < 0,2 | 30 – 90
L-N5 | Mid-altitude, shallow, low alkalinity, clear | 200-800 | 3 – 15 | < 0,2 | < 30
L-N6a | Mid-altitude, shallow, low alkalinity, meso-humic | 200-800 | 3 – 15 | < 0,2 | 30 – 90
L-N8a | Lowland, shallow, moderate alkalinity, meso-humic | < 200 | 3 – 15 | 0,2 – 1 | 30 – 90Countries sharing types that have been intercalibrated:
Types L-N1, L-N2a, L-N3a, LN-8a | : | Ireland, Finland, Norway, Sweden, United Kingdom.
Types LN-2b | : | Norway, Sweden, United Kingdom
Types LN-5, LN-6a | : | Norway, SwedenResults: Ecological quality ratios of national classification systems intercalibrated
Member State | National classification methods intercalibrated | Ecological Quality Ratios
High-good | Good-moderate
Finland | Finnish phytoplankton assessment method for lakes | 0,80 | 0,60
Ireland | IE Lake Phytoplankton Index | 0,80 | 0,60
Norway | Lake phytoplankton ecological status classification method | 0,80 | 0,60
Sweden | Ecological assessment methods for lakes. quality factor phytoplankton | 0,80 | 0,60
United Kingdom | Phytoplankton Lakes Assessment Tool (PLUTO) | 0,80 | 0,60NORTHERN LAKES GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Macrophytes and Phytobenthos
Sub-Biological Quality Element: Macrophytes
Description of common intercalibration types
Type | Lake characterisation | Alkalinity (meq/l) | Color (mg Pt/l)
L-N-M 101 | Low alkalinity, clear | 0,05 – 0,2 | < 30
L-N-M 102 | Low alkalinity, humic | 0,05 – 0,2 | > 30
L-N-M 201 | Moderate alkalinity, clear | 0,2 – 1,0 | < 30
L-N-M 202 | Moderate alkalinity, humic | 0,2 – 1,0 | > 30
L-N-M 301a | High alkalinity, clear, atlantic subtype | > 1,0 | < 30
L-N-M 302a | High alkalinity, humic, atlantic subtype | > 1,0 | > 30Countries sharing types that have been intercalibrated:
Types 101, 102, 201 and 202 | : | Ireland, Finland, Norway, Sweden, United Kingdom.
Type 301a | : | Ireland, United Kingdom.
Type 302a | : | Ireland, United KingdomResults: Ecological quality ratios of national classification systems intercalibrated
Member State | National classification methods intercalibrated | Ecological Quality Ratios
High-good boundary | Good-moderate
Finland | Finnish macrophyte classification system (Finnmac) | 0,8 (all types) | 0,6 (all types)
Ireland | Free Macrophyte Index | 0,9 (all types) | 0,68 (all types)
Norway | National macrophyte index (Trophic Index – TIc) | Type 101: 0,98Type 102: 0,96Type 201: 0,95Type 202: 0,99 | Type 101: 0,87Type 102: 0,87Type 201: 0,75Type 202: 0,77
Sweden | Trophic Macrophyte Index (TMI) | Type 101: 0,93Type 102: 0,93Type 201: 0,89Type 202: 0,91 | Type 101: 0,80Type 102: 0,83Type 201: 0,78Type 202: 0,78
United Kingdom | LEAFPACS lake macrophyte classification tool(*3) | 0,8 (all types) | 0,66 (all types)
United Kingdom | Free Macrophyte Index(*4) | 0,9 (all types) | 0,68 (all types)NORTHERN LAKES GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Benthic invertebrates
Description of common intercalibration types
Type | Lake characterisation | Ecoregion | Altitude(m absl) | Alkalinity (meq/l) | Colour (mg Pt/l)
Lake littoral acidification
L-N-BF1 | Lowland/mid-altitude, low alkalinity, clear | n.d. | < 800 | 0,05 – 0,2 | < 30
Lake profundal eutrophication
L-N-BF2 | Ecoregion 22, low alkalinity, clear and humic | 22 | Area > 1 km2, max depth > 6 m | < 0,2 | n.d.Countries sharing types that have been intercalibrated:
Types L-N-BF1 | : | Norway, Sweden, United Kingdom, Ireland, Finland
Types L-N-BF2 | : | Finland, SwedenResults: Ecological quality ratios of national classification systems intercalibrated
Member State | National classification methods intercalibrated | Ecological Quality Ratios
High-good | Good-moderate
Lake littoral acidification
Sweden | MILA: Multimetric Invertebrate Lake Acidification index | 0,85 | 0,60
United Kingdom | LAMM (Lake Acidification Macroinvertebrate Metric) | 0,86 | 0,70
Norway | MultiClear: Multimetric Invertebrate Index for Clear Lakes | 0,95 | 0,74
Lake profundal eutrophication
Sweden | BQI (Benthic Quality Index) | 0,84 | 0,67
Finland | BQI (Benthic Quality Index) | 0,75 | 0,63NORTHERN LAKES GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Fish fauna
Description of common intercalibration types
Type | Lake characterisation | Lake area km2 | Alkalinity (meq/l) | Colour (mg Pt/l)
L-N-F1 | Dimictic clear water lakes | < 40 | < 0,2 | < 30
L-N-F2 | Dimictic humic lakes | < 5 | < 0,2 | 30-90Countries sharing types that have been intercalibrated:
Types L-N-F1 | : | Ireland, Finland, Norway, Sweden, United Kingdom
Types L-N-F2 | : | Ireland, Finland, Norway, Sweden, United KingdomResults: Ecological quality ratios of national classification systems intercalibrated
Member State | National classification methods intercalibrated | Ecological Quality Ratios
High-good boundary | Good-moderate boundary
Finland | EQR4 | 0,80 | 0,60
Ireland | FIL2 | 0,76 | 0,53
United Kingdom (Northern Ireland) | FIL2 | 0,76 | 0,53WATER CATEGORY: LakesGEOGRAPHICAL INTERCALIBRATION GROUP: Cross-GIG Phytobenthos
Description of common intercalibration types
Type | Lake characterisation | Alkalinity (meq/l) | Ecoregions
HA | High alkalinity lakes | > 1 | Central-Baltic, Mediterranean
MA | Moderate alkalinity lakes | 0,2-1 | Central-Baltic, Northern
LA | Low alkalinity lakes | < 0,2 | NorthernCountries sharing types that have been intercalibrated:
Types HA | : | Belgium, Germany, Hungary, Ireland, Italy, Poland, Sweden, Slovenia, United Kingdom
Types MA | : | Belgium, France, Finland, Ireland, Sweden, United Kingdom
Types LA | : | Finland, Ireland, Sweden, United KingdomCROSS-GIG LAKES INTERCALIBRATION RESULTS
Biological Quality Element: Macrophytes and Phytobenthos
Sub-Biological Quality Element: PhytobenthosResults: Ecological quality ratios of national classification systems intercalibrated
Member State | National classification methods intercalibrated | Ecological Quality Ratios
High-good boundary | Good-moderate boundary
HA type
Belgium (Flanders) | Proportions of Impact-Sensitive and Impact-Associated Diatoms (PISIAD) | 0,80 | 0,60
Germany | Verfahrensanleitung für die ökologische Bewertung von Seen zur Umsetzung der EG-Wasserrahmenrichtlinie: Makrophyten und Phytobenthos (Phylib), Modul Phytobenthos | 0,80 | 0,55
Hungary | MIL- Multimetric Index for Lakes | 0,80 | 0,69
Ireland | Lake Trophic Diatom Index (IE) | 0,90 | 0,63
Poland | PL IOJ (Multimetryczny Indeks Okrzemkowy dla Jezior = Multimetric Diatom Index for Lakes) | 0,91 | 0,76
Sweden | IPS | 0,89 | 0,74
Slovenia | Trophic Index (TI) | 0,80 | 0,60
United Kingdom | DARLEQ 2 | 0,92 | 0,70
MA type
Belgium (Flanders) | Proportions of Impact-Sensitive and Impact-Associated Diatoms (PISIAD) | 0,80 | 0,60
Finland | IPS | 0,80 | 0,64
Ireland | Lake Trophic Diatom Index (IE) | 0,90 | 0,63
Sweden | IPS | 0,89 | 0,74
United Kingdom | DARLEQ 2 | 0,93 | 0,66
LA type
Ireland | Lake Trophic Diatom Index (IE) | 0,90 | 0,66
United Kingdom | DARLEQ 2 | 0,92 | 0,70WATER CATEGORY: Coastal and transitionalGEOGRAPHICAL INTERCALIBRATION GROUP: Baltic Sea GIG
Description of common intercalibration types
Type | Surface salinityPsu | Bottom salinity | Exposure | Ice days | Other Characteristics
BT 1 | 0-8Oligohaline | 0 – 8 | Very sheltered | — | Polish Vistula lagoon and Lithuanian Curonian lagoon.
BC1 | 0,5 – 6Oligohaline | 1 – 6 | Exposed | 90 – 150 | Sites in the Quark and the Bothnian Sea, extending to the Archipelago Sea (for phytoplankton the latter is excluded and integrated in type BC9)Influence of humic substances
BC3 | 3 – 6Oligohaline | 3 – 6 | Sheltered | 90 – 150 | Finnish and Estonian coasts of Gulf of Finland
BC4 | 5 – 8Lower mesohaline | 5 – 8 | Sheltered | < 90 | Sites of Estonia and Latvia in the Gulf of Riga
BC5 | 6 – 8Lower mesohaline | 6 – 12 | Exposed | < 90 | Sites in the southeastern Baltic Sea along the coast of Latvia, Lithuania and Poland
BC6 | 8 – 12Mid mesohaline | 8 -12 | Sheltered | < 90 | Sites along the Western Baltic Sea at the southern Swedish coast and the southeastern Danish coast
BC7 | 6 – 8Mid mesohaline | 8 – 11 | Exposed | < 90 | Western Polish coast and eastern German coast
BC8 | 13 -18Upper mesohaline | 18 -23 | Sheltered | < 90 | Danish and German coasts in the Western Baltic Sea
BC9 | 3 – 6Lower mesohaline | 3 – 6 | Moderately exposed to exposed | 90 – 150 | Sites in the western Gulf of Finland, Archipelago Sea and Asko archipelago (only for phytoplankton)Countries sharing types that have been intercalibrated:
Coastal waters
Type BC1 | : | Finland, Sweden.
Type BC3 | : | Finland, Estonia
Type BC4 | : | Estonia, Latvia
Type BC5 | : | Lithuania, Latvia, Poland.
Type BC6 | : | Sweden, Denmark.
Type BC7 | : | Germany, Poland.
Type BC8 | : | Germany, Denmark.
Type BC9 | : | Finland, Sweden, Estonia (type only relevant for phytoplankton)
Transitional waters
Type BT1 | : | Lithuania, Poland.BALTIC SEA GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Benthic invertebrate faunaResults: Ecological quality ratios of the national classification systems intercalibrated
Coastal waters
Member State | National classification methods intercalibrated | Ecological Quality Ratios
High-good boundary | Good-moderate boundary
BC1
Finland | BBI- Finnish Brackish water Benthic Index | 0,96 | 0,56
Sweden | BQI–Swedish multimetric biological quality index (soft sediment infauna) | 0,77 | 0,31
BC3
Estonia | ZKI – Estonian coastal water macrozoobenthos community index | 0,39 | 0,24
Finland | BBI – Finnish Brackish water Benthic Index | 0,94 | 0,56
BC6
Denmark | DKI ver2 – Danish Quality Index version 2 | 0,84 | 0,68
Sweden | BQI–Swedish multimetric biological quality index (soft sediment infauna) | 0,76 | 0,27
BC8
Denmark | DKI ver2 – Danish Quality Index version 2 | 0,86 | 0,72
Germany | MarBIT – Marine Biotic Index Tool | 0,8 | 0,6
Transitional waters:
INTERCALIBRATION NOT COMPLETEDBALTIC SEA GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: PhytoplanktonResults: Ecological quality ratios of the national classification systems intercalibrated
Coastal waters
Member State | National classification methods intercalibrated | Ecological Quality Ratios of the national classification systems
High-good boundary | Good-moderate boundary
BC7
Germany | German coastal phytoplankton method | 0,8 | 0,6
Poland | Polish coastal phytoplankton method | 0,8 | 0,6
BC8
Denmark | Danish coastal phytoplankton method | 0,8 | 0,6
Germany | German coastal phytoplankton method | 0,8 | 0,6Results for parameter indicative of biomass (Chlorophyll a):SEE ANNEX II
Transitional waters:
INTERCALIBRATION NOT COMPLETEDBALTIC SEA GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Macroalgae and Angiosperms
Coastal waters
Ecological quality ratios of the national classification systems intercalibrated
Member State | National classification methods intercalibrated | Ecological Quality Ratios
High-good boundary | Good-moderate boundary
BC3
Estonia | EPI- Estonian coastal water phytobenthos Index (macroalgae and angiosperms) | 0,98 | 0,86
Finland | Fucus depth limit (macroalgae) | 0,92 | 0,79
Ecological quality ratios and parameter values for parameter indicative of abundance (Depth limit of Eelgrass Zostera marina): Ecological quality ratios and parameter values
Type and country | Ecological Quality Ratios for the national classification systems | Parameter values/rangesDepth limit (m)Eelgrass Zostera marina
High-Good boundary | Good-Moderate boundary | High-Good boundary | Good-Moderate boundary
BC8
Denmark and GermanyOpen coast | 0,90 | 0,74 | 8,5 | 7
Transitional waters:
INTERCALIBRATION NOT COMPLETEDWATER CATEGORY: Coastal and transitionalGEOGRAPHICAL INTERCALIBRATION GROUP: North East Atlantic
Description of common intercalibration types
Type | Characterisation | Salinity (psu)Tidal Range(m)Depth (m) | Current Velocity (knots)Exposure | MixingResidence Time
Type for opportunistic blooming macroalgae, seagrasses, saltmarshes and benthic invertebrate fauna
NEA1/26 | Open oceanic or enclosed seas, exposed or sheltered, euhaline, shallow | > 30Mesotidal 1 – 5< 30 | Medium 1 – 3Exposed or sheltered | Fully mixedDays (to weeks in the Wadden Sea)
Subtypes for intertidal macroalgae
NEA1/26 A2 | Open oceanic, exposed or sheltered, euhaline, shallowTemperate waters (mainly, > 13 °C) and high irradiance (mainly, PAR > 29 Mol/m2day) | > 30Mesotidal 1–5< 30 | Medium 1 – 3Exposed or sheltered | Fully mixed Days
NEA1/26 B21 | Open oceanic or enclosed seas, exposed or sheltered, euhaline, shallowCool waters (mainly, < 13 °C) and medium irradiance (mainly, PAR 30Mainly mesotidal 1–5< 30 | Medium 1 – 3Exposed or sheltered | Fully mixedDays
Subtypes for phytoplankton
NEA1/26a | Open oceanic, exposed or sheltered, euhaline, shallow | > 30Mesotidal 1 – 5< 30 | Medium 1 – 3Exposed or sheltered | Fully mixedDays
NEA1/26b | Enclosed seas, exposed or sheltered, euhaline, shallow | > 30Mesotidal 1 – 5< 30 | Medium 1 – 3Exposed or sheltered | Fully mixedDays
NEA1/26c | Enclosed seas, enclosed or sheltered, partly stratified | > 30Microtidal/Mesotidal < 1 – 5< 30 | Medium 1 – 3Exposed or sheltered | Partly stratifiedDays to weeks
NEA1/26d | Scandinavian coast, exposed or sheltered, shallow | > 30Microtidal < 1< 30 | Low < 1Exposed or moderately exposed | Partly stratifiedDays to weeks
NEA1/26e | Areas of upwelling, exposed or sheltered, euhaline, shallow | > 30Mesotidal 1 – 5< 30 | Medium 1 – 3Exposed or sheltered | Fully mixedDays
Types for phytoplankton, macroalgae, seagrasses, saltmarshes, benthic invertebrate fauna and fish (transitional waters)
NEA3/4 | Polyhaline, Exposed or moderately exposed (Wadden Sea type) | Polyhaline 18 – 30Mesotidal 1 – 5< 30 | Medium 1 – 3Exposed or moderately exposed | Fully mixedDays
NEA7 | Deep fjordic and sea loch systems | > 30Mesotidal 1 -5> 30 | Low < 1Sheltered | Fully mixedDays
NEA8a | Skagerrak Inner Arc Type, polyhaline, microtidal, moderately exposed, shallow | Polyhaline 25 – 30Microtidal 30 | Low < 1Moderately exposed | Fully mixedDays to weeks
NEA8b | Skagerrak Inner Arc Type, polyhaline, microtidal, moderately sheltered, shallow | Polyhaline 10 – 30Microtidal < 1< 30 | Low < 1Sheltered to moderately exposed | Partly stratifiedDays to weeks
NEA9 | Fjord with a shallow sill at the mouth with a very deep maximum depth in the central basin with poor deepwater exchange | Polyhaline 25 – 30Microtidal 30 | Low < 1Sheltered | Partly stratifiedWeeks
NEA10 | Skagerrak Outer Arc Type, polyhaline, microtidal, exposed, deep | Polyhaline 25 – 30Microtidal 30 | Low < 1Exposed | Partly stratifiedDays
NEA11 | Transitional Waters | Oligohaline 0 – 35Micro to macrotidal< 30 | VariableSheltered or moderately exposed | Partly permanently stratifiedDays to weeksCountries sharing the types that have been intercalibrated:
Coastal waters
Type NEA1/26 opportunistic blooming macroalgae, seagrasses, saltmarshes | : | Belgium, France, Germany, Ireland, Netherlands, Portugal, Spain, United Kingdom
Type NEA1/26 A2 intertidal macroalgae | : | France, Spain, Portugal
Type NEA1/26 B21 intertidal macroalgae | : | France, Ireland, Norway, United Kingdom
Type NEA1/26a phytoplankton | : | Spain, France, Ireland, Norway, United Kingdom
Type NEA1/26b phytoplankton | : | Belgium, France, Netherlands, United Kingdom
Type NEA1/26c phytoplankton | : | Germany, Denmark
Type NEA1/26d phytoplankton | : | Denmark
Type NEA1/26e phytoplankton | : | Portugal, Spain
Type NEA3/4 | : | Germany, Netherlands
Type NEA7 | : | Norway, United Kingdom
Type NEA8a | : | Norway, Sweden
Type NEA8b | : | Denmark, Sweden
Type NEA9 | : | Norway, Sweden
Type NEA10 | : | Norway, Sweden
Transitional waters
Type NEA11 | : | Belgium, Germany, Spain, France, Ireland, Netherlands, Portugal, United KingdomNORTH EAST ATLANTIC GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Benthic invertebrate faunaResults: Ecological quality ratios of the national classification systems intercalibrated
The results are applicable to soft sediment habitats only (subtidal mud/sand habitats).
Coastal waters
Member State | National classification methods intercalibrated | Ecological Quality Ratios
High-good boundary | Good-moderate boundary
Type NEA8b
Denmark | DKI | 0,84 | 0,68
Sweden | BQI | 0,71 | 0,54
Types NEA8a/9/10
Norway | NQI | 0,82 | 0,63
Sweden | BQI | 0,71 | 0,54Results for coastal waters, Types NEA 1/26 AND NEA7:SEE ANNEX II
Transitional waters:
INTERCALIBRATION NOT COMPLETEDNORTH EAST ATLANTIC GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Phytoplankton
Coastal waters
Phytoplankton: parameter indicative of biomass parameter (Chlorophyll a)
Results: Ecological quality ratios and parameter values
Parameter values are expressed in μg/l as the 90 %ile value calculated over the defined growing season in a six year period. The results relate to geographic areas within the types as described in the technical report.
Member State | Ecological Quality Ratios | Values (μg/l, 90 %ile)
High-good | Good-moderate | High-good | Good-moderate
NEA1/26c | | | |
Denmark | 0,67 | 0,44 | 5 | 7,5
Germany | 0,67 | 0,44 | 5 | 7,5Results for coastal waters, Types NEA 1/26a, NEA 1/26b, NEA1/26e, NEA 3/4, NEA9, NEA10: SEE ANNEX II
Transitional waters:
INTERCALIBRATION NOT COMPLETEDNORTH EAST ATLANTIC GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Macroalgae and angiosperms
Coastal waters
Results: Macroalgae – parameter intertidal or subtidal macroalgae rocky bottom
Coastal waters
Member State | National classification methods intercalibrated | Ecological Quality Ratios
High-good boundary | Good-moderate boundary
Type NEA1/26 A2 intertidal macroalgae
France | CCO – Cover, Characteristic species, Opportunistic species on intertidal rocky bottoms | 0,80 | 0,60
Portugal | PMarMAT – Marine Macroalgae Assessment Tool | 0,80 | 0,61
Spain | CFR – Quality of Rocky Bottoms | 0,81 | 0,60
Spain | RICQI – Rocky Intertidal Community Quality Index | 0,82 | 0,60
Spain | RSL – Reduced Species List | 0,75 | 0,48
Type NEA1/26 B21 intertidal macroalgae
Ireland | RSL – Rocky Shore Reduced Species List | 0,80 | 0,60
Norway | RSLA – Rocky Shore Reduced Species List | 0,80 | 0,60
United Kingdom | RSL – Rocky Shore Reduced Species List | 0,80 | 0,60
Type NEA7 intertidal macroalgae
Norway | RSLA – Rocky Shore Reduced Species List with Abundance | 0,80 | 0,60
United Kingdom | RSL – Rocky Shore Reduced Species List | 0,80 | 0,60
Type NEA8a/9/10 subtidal macroalgae
Norway | MSMDI – Multi Species Maximum Depth Index | 0,80 | 0,60
Sweden | MSMDI – Multi Species Maximum Depth Index | 0,80 | 0,60Results for Macroalgae – parameter intertidal blooming macroalgae Type NEA1/26: SEE ANNEX II
Transitional waters:
Results for Macroalgae – parameter intertidal blooming macroalgae – NEA11: SEE ANNEX II
Results: Angiosperms – subBQE indicative of seagrasses
Results: Ecological quality ratios of the national classification systems intercalibrated
Coastal waters
Member State | National classification methods intercalibrated | Ecological Quality Ratios
High-good boundary | Good-moderate boundary
Type NEA3/4
Germany | SG – Bewertungssystem für Makroalgen und Seegräser der Küsten- und Übergangsgewässer zur Umsetzung der EG-Wasserrahmenrichtlinie in Deutschland | 0,80 | 0,60
Netherlands | Monitoring beds of SG per waterbody using arial photographs, ground truth and specifyting surface & density per species | 0,80 | 0,60Results for Angiosperms (subBQE indicative of seagrasses) Type 1/26: SEE ANNEX II
Transitional waters:
Results for Angiosperms (subBQE indicative of seagrasses) NEA11: SEE ANNEX II
NORTH EAST ATLANTIC GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Fish (Transitional Waters)Results: Ecological quality ratios of the national classification systems intercalibrated
Member State | National classification methods intercalibrated | Ecological Quality Ratios
High-good boundary | Good-moderate boundary
Belgium | EBI – Zeeschelde Estuarine Biotic Index | 0,85 | 0,615
France | ELFI – Estuarine and Lagoon Fish Index | 0,91 | 0,675
Germany | FAT – TW – Fischbasiertes Bewertungswerkzeug für Übergangsgewässer der norddeutschen Ästuare | 0,84 | 0,62
Ireland | TFCI – Transitional Fish Classification Index | 0,81 | 0,58
Netherlands | FAT – TW – WFD Fish index for transitional waters, type O2 | 0,80 | 0,60
Portugal | EFAI – Estuarine Fish Assessment Index | 0,865 | 0,70
Spain | AFI – AZTI’s Fish Index | 0,78 | 0,55
Spain | TFCI – Transitional Fish Classification Index | 0,90 | 0,65
United Kingdom (Northern Ireland) | TFCI – Transitional Fish Classification Index | 0,81 | 0,58WATER CATEGORY: Coastal and transitionalGEOGRAPHICAL INTERCALIBRATION GROUP: Mediterranean SeaTypology with regional common intercalibration types has been defined for phytoplankton only (see below).
For benthic invertebrate fauna, macroalgae and seagrasses the intercalibration results apply to the entire Mediterranean Sea covered by the Member States.
MEDITERRANEAN GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Benthic invertebrate faunaResults: Ecological quality ratios of national classification systems
Coastal waters
The following results apply to soft sediments only
Member State | National classification methods intercalibrated | Ecological Quality Ratios
High-good boundary | Good-moderate boundary
Methods including diversity parameter
Italy | M-AMBI | 0,81 | 0,61
Slovenia | M-AMBI | 0,83 | 0,62
Methods not including diversity parameter
Cyprus | Bentix | 0,75 | 0,58
France | AMBI | 0,83 | 0,58
Greece | Bentix | 0,75 | 0,58
Spain | BOPA | 0,95 | 0,54
Spain | MEDOCC | 0,73 | 0,47
Transitional waters:
INTERCALIBRATION NOT COMPLETEDMEDITERRANEAN SEA GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Phytoplankton
Description of types for coastal waters that have been intercalibrated (applicable for phytoplankton only)
Type | Description | Density (kg/m3) | Annual mean salinity (psu)
Type I | Highly influenced by freshwater input | < 25 | < 34,5
Type IIA,IIA Adriatic | Moderately influenced by freshwater input (continent influence) | 25-27 | 34,5-37,5
Type IIIW | Continental coast, not influenced by freshwater input (Western Basin). | > 27 | > 37,5
Type IIIE | Not influenced by freshwater input (Eastern Basin) | > 27 | > 37,5
Type Island-W | Island coast (Western Basin) | All range | All rangeCountries sharing the types that have been intercalibrated:
Type I | : | France, Italy
Type IIA | : | France, Spain, Italy
Type IIA Adriatic | : | Italy, Slovenia
Type Island-W | : | France, Spain, Italy
Type IIIW | : | France, Spain, Italy
Type IIIE | : | Greece, Cyprus
Coastal waters
Results for parameter indicative of biomass (Chlorophyll a): SEE ANNEX II
Transitional waters:
INTERCALIBRATION NOT COMPLETEDMEDITERRANEAN SEA GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Macroalgae and Angiosperms
Coastal waters
Macroalgae: sub-BQE indicative of Macroalgae and Angiosperms
Results: Ecological quality ratios of national classification systems intercalibrated
The following results apply to the upper infralittoral zone (3,5 – 0,2 m depth) in rocky coasts:
Member State | National classification methods intercalibrated | Ecological Quality Ratios
High-good boundary | Good-moderate boundary
Cyprus | EEI-c – Ecological Evaluation Index | 0,76 | 0,48
France | CARLIT – Cartography of Littoral and upper-sublittoral rocky-shore communities | 0,75 | 0,60
Greece | EEI-c – Ecological Evaluation Index | 0,76 | 0,48
Italy | CARLIT – Cartography of Littoral and upper-sublittoral rocky-shore communities | 0,75 | 0,60
Slovenia | EEI-c – Ecological Evaluation Index | 0,76 | 0,48
Spain | CARLIT – Cartography of Littoral and upper-sublittoral rocky-shore communities | 0,75 | 0,60
Seagrasses: sub-BQE indicative of Macroalgae and Angiosperms
Results: Ecological quality ratios of national classification systems intercalibrated
Member State | National classification methods intercalibrated | Ecological Quality Ratios
High-good boundary | Good-moderate boundary
Cyprus | PREI – Posidonia oceanica Rapid Easy Index | 0,775 | 0,55
France | PREI – Posidonia oceanica Rapid Easy Index | 0,775 | 0,55
Italy | PREI – Posidonia oceanica Rapid Easy Index | 0,775 | 0,55
Spain | POMI – Posidonia oceanica Multivariate Index | 0,775 | 0,55
Spain | Valencian-CS | 0,775 | 0,55
Macroalgae and Angiosperms
Transitional waters:
Results: Ecological quality ratios of national classification systems intercalibrated
Member State | National classification methods intercalibrated | Ecological Quality Ratios
High-good boundary | Good-moderate boundary
France | Exclame | 0,80 | 0,60
Greece | EEI-c – Ecological Evaluation Index | 0,70 | 0,40
Italy | MaQI – Macrophyte Quality Index | 0,80 | 0,60WATER CATEGORY: Coastal and transitionalGEOGRAPHICAL INTERCALIBRATION GROUP: Black Sea
Description of common intercalibration types
Type | Description
CW-BL1 | Coastal watersMesohaline, microtidal (< 1 m), shallow (< 30 m), moderately exposed, mixed substratumCountries sharing the types that have been intercalibrated:
Bulgaria and Romania
BLACK SEA GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS
Biological Quality Element: Phytoplankton
Coastal waters
Results: Ecological quality ratios of the national classification systems intercalibrated
Country | National classification systems intercalibrated | Ecological Quality Ratios
High-Good boundary | Good-Moderate boundary
Bulgaria | IBI | 0,80 | 0,63
Romania | IBI | 0,80 | 0,63
(*1) Will be used in England, Wales and Scotland
(*2) High-Good boundary is not defined for reservoirs (both LM5/7 and LM8 types are reservoirs)
(*3) Will be used in England, Wales and Scotland
(*4) Will be used also in the United Kingdom (Northern Ireland)