Cumulative impacts on seabed habitats: An indicator for assessments of good environmental status |
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| Authors: | Samuli Korpinen Manuel MeidingerMaria Laamanen |
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| Institution: | Helsinki Commission, Katajanokanlaituri 6 B, FIN-00160 Helsinki, Finland |
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| Abstract: | The European seas are under anthropogenic pressures impacting the state of water quality, benthic habitats and species. The EU Marine Strategy Framework Directive (MSFD) requires the Member States to assess the impacts of pressures and make a programme of measures leading to good environmental status (GES) by 2020. This study presents a method for assessing the quantity and distribution of anthropogenic impacts on benthic habitats in the Baltic Sea by using spatial data of human pressures and benthic habitats. The southern sub-basins were more extensively impacted than the northern sub-basins. Over the entire sea area, deep sea habitats were more impacted than shallower infralittoral and circalittoral habitats. Sand and coarse sediments were the seabed types relatively most impacted in the Baltic Sea scale. A comparison against tentative thresholds for GES showed that in the sub-basin scale only one third of the habitat types was in GES. |
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| Keywords: | Baltic Sea Cumulative impacts on benthic habitats Indicator development Marine Strategy Framework Directive Sea-floor integrity |
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