ENVIRONMENTAL STATEMENT MATRICES Criteria used to classify the magnitude of impacts on fish and shellfish (From Environmental Statement Table 9.5, updated in further information submission of 14th July matters not 2016 “Fisheries agreed requiring clarification”) Impact Magnitude Annual Mortality Rate Due to Turbine Passage only High >10% Medium >2.0 - ≤ 10% Low >1% - ≤2.0% Negligible 1% ≤ Fish and Shellfish Valued Ecological Receptors (VER) within the Swansea Bay Tidal Lagoon study area and their relative geographical importance. (From Environmental Statement, Table 9.2, updated following 27th January 2016 Meeting between the applicant, NRW TE, NRW PS and Cefas) VER Value Migratory fish species European eel, allis shad, International importance twaite shad, sea lamprey Other diadromous fish National importance (atlantic salmon, river lamprey and sea trout) Other fish and shellfish Common Sole National importance Herring Regional importance Sandeel Regional importance Other demersal and pelagic Regional importance species Commercial Shellfish Regional importance Significance of an impact resulting from the combination of receptor sensitivity/value and the magnitude of the effect upon it (From Environmental Statement, Table 9.4 provided by applicant updated in Further information submission of 14th July 2016 not “Fisheries matters agreed requiring clarification”) Value/importance Magnitude (Positive/Adverse) Neutral Negligible Low Medium High Very No impact Minor Moderate Major Major High/International High/National No impact Insignificant Minor Moderate Major Medium/regional No impact Insignificant Minor Moderate Moderate Low/local No impact Insignificant Insignificant Minor Moderate Permitting Service determination of the appropriate model methodology The Information of the 8th July 2016 (and revised for clarity Applicants “Further submission” and resubmitted on 14th July 2016) provides modelled outputs for turbine impact utilising the
ENVIRONMENTAL STATEMENT MATRICES Criteria used to classify the magnitude of impacts on fish and shellfish (From Environmental Statement Table 9.5, updated in further information submission of 14th July 2016 “Fisheries matters not agreed requiring clarification”) Impact Magnitude Annual Mortality Rate Due to Turbine Passage only High >10% Medium >2.0 - ≤ 10% Low >1% - ≤2.0% Negligible ≤ 1% Fish and Shellfish Valued Ecological Receptors (VER) within the Swansea Bay Tidal Lagoon study area and their relative geographical importance. (From Environmental Statement, Table 9.2, updated following 27th January 2016 Meeting between the applicant, NRW TE, NRW PS and Cefas) VER Value Migratory fish species European eel, allis shad, twaite shad, sea lamprey International importance Other diadromous fish (atlantic salmon, river lamprey and sea trout) National importance Other fish and shellfish Common Sole National importance Herring Regional importance Sandeel Regional importance Other demersal and pelagic species Regional importance Commercial Shellfish Regional importance Significance of an impact resulting from the combination of receptor sensitivity/value and the magnitude of the effect upon it (From Environmental Statement, Table 9.4 provided by applicant updated in Further information submission of 14th July 2016 “Fisheries matters not agreed requiring clarification”) Value/importance Magnitude (Positive/Adverse) Neutral Negligible Low Medium High Very High/International No impact Minor Moderate Major Major High/National No impact Insignificant Minor Moderate Major Medium/regional No impact Insignificant Minor Moderate Moderate Low/local No impact Insignificant Insignificant Minor Moderate Permitting Service determination of the appropriate model methodology The Applicants “Further Information submission” of the 8th July 2016 (and revised for clarity and resubmitted on 14th July 2016) provides modelled outputs for turbine impact utilising the
fish-impact-levels.docx