Issues of Concern and Associated Evidence Needs Table 2. High-level evidence needs and questions relating to marine birds (seabirds, divers and seaduck) and offshore wind farms, collated from and agreed by delegates at the 2nd IGF workshop. Evidence needs identified for other taxa are not listed here. To answer Evidence related this we need: to would More offshore need a information is wind better required on... energy of... What are Numbers of More up to date birds using information on different sea bird areas at distributions impacts different and numbers from times of covering large offshore year and sea areas – wind consistency monitoring at farms in scale of (OWF)? distributions individual wind across years farm defining developments is – populations too small to at a regional quantify scale as cumulative basis for trans-boundary assessment impacts. of cumulative effects Better quantification of impacts of offshore wind farms on birds (see below). Large-scale Movements of seasonal birds, e.g. movements tagging studies, of birds and stable isotope drivers of analysis, etc. those but with studies movements carried out in a (e.g. prey coordinated availability, strategic manner weather across multiple conditions). locations. Concurrent information on potential covariates, e.g. sea surface temperature, prey, etc. Large scale tagging and dynamics, ringing studies
Issues of Concern and Associated Evidence Needs Table 2. High-level evidence needs and questions relating to marine birds (seabirds, divers and seaduck) and offshore wind farms, collated from and agreed by delegates at the 2nd IGF workshop. Evidence needs identified for other taxa are not listed here. related to offshore wind energy To answer this we would need a better of... Evidence need: More information is required on... What are impacts from offshore wind farms (OWF)? Numbers of birds using different sea areas at different times of year and consistency in distributions across years – defining populations at a regional scale as basis for assessment of cumulative effects More up to date information on bird distributions and numbers covering large sea areas – monitoring at scale of individual wind farm developments is too small to quantify cumulative trans-boundary impacts. Better quantification of impacts of offshore wind farms on birds (see below). Large-scale seasonal movements of birds and drivers of those movements (e.g. prey availability, weather conditions). Movements of birds, e.g. tagging studies, stable isotope analysis, etc. but with studies carried out in a coordinated strategic manner across multiple locations. Concurrent information on potential covariates, e.g. sea surface temperature, prey, etc. dynamics, Large scale tagging and ringing studies
aewa_tc13_11_discussion_%20paper_multiple_impacts_en.docx