Collision Risk of Birds with Modern Large Wind Turbines

Ardea

Sjoerd Dirksen³  Femke Dijk¹  Femke Schenk²  Karen L. Krijgsveld³  Kirsten Akershoek² 

[1]3 Wageningen University and Research Centre, Environmental Sciences, Bornsesteeg 69, 6708 PD Wageningen, The Netherlands

[2]2 van Hall Institute, Box 1528, 8901 BV Leeuwarden, The Netherlands

[3]1 Bureau Waardenburg, Box 365, 4100 AJ Culemborg, The Netherlands

关键词: Collision Victims;   

DOI  :  

学科分类：动物科学

来源: Nederlandse Ornithologische Unie/Netherlands Ornithological Union

【 摘 要 】

Westudiedcollisionrateofbirdswithmodern,large1.65MWwindturbinesinthreewindfarmsinTheNetherlandsduringthreemonthsinautumnandwinter.Collisionrate,aftercorrectionforretrievalanddisappearancerate,was0.08birdsperturbineperdayonaverage(range0.05–0.19).Collisionrisk,i.e.thenumberofvictimsrelativetotheflightintensityofbirdsatthewindfarms,was0.14%onaverage.Fornocturnalmigrants,riskwasaslowas0.01%,whiletheriskwas0.16%forlocalbirdsflyingatnight.Inabsolutenumbers,theoverallcollisionriskwassimilartothe0.06–0.28%foundforearlier-generationlowerturbinesthathaveasmallerrotorsurface.However,giventhecomparativelylargerotorsurfaceandaltituderangeofthemodernturbines,theriskwasc.threefoldlowerthanforsmallerturbines.Alargefractionofcollisionvictimswerediurnallyactiveandlocalbirdsthatwereforaginginthearea,ratherthannocturnalmigrants.Flightintensitiesofthisgroupshouldbetakenintoaccountaswellasthatofnocturnalmigrants,whencalculatingcollisionrate.

【 授权许可】

Unknown