Large-scale effects of offshore wind farms on seabirds of high conservation concern

Abstract The North Sea is a key area worldwide for the installation of offshore wind farms (OWFs). We analysed data from multiple sources to quantify the effects of OWFs on seabirds from the family Gaviidae (loons) in the German North Sea. The distribution and abundance of loons changed substantiall...

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Main Authors: Stefan Garthe, Henriette Schwemmer, Verena Peschko, Nele Markones, Sabine Müller, Philipp Schwemmer, Moritz Mercker
Format: Article
Language:English
Published: Nature Portfolio 2023-04-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-023-31601-z
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author Stefan Garthe
Henriette Schwemmer
Verena Peschko
Nele Markones
Sabine Müller
Philipp Schwemmer
Moritz Mercker
author_facet Stefan Garthe
Henriette Schwemmer
Verena Peschko
Nele Markones
Sabine Müller
Philipp Schwemmer
Moritz Mercker
author_sort Stefan Garthe
collection DOAJ
description Abstract The North Sea is a key area worldwide for the installation of offshore wind farms (OWFs). We analysed data from multiple sources to quantify the effects of OWFs on seabirds from the family Gaviidae (loons) in the German North Sea. The distribution and abundance of loons changed substantially from the period before to the period after OWF construction. Densities of loons were significantly reduced at distances of up to 9–12 km from the OWF footprints. Abundance declined by 94% within the OWF + 1 km zone and by 52% within the OWF + 10 km zone. The observed redistribution was a large-scale effect, with birds aggregating within the study area at large distances from the OWFs. Although renewable energies will be needed to provide a large share of our energy demands in the future, it is necessary to minimize the costs in terms of less-adaptable species, to avoid amplifying the biodiversity crisis.
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spelling doaj.art-1c37f0a4267543678b348ef01c5fddc12023-04-16T11:14:34ZengNature PortfolioScientific Reports2045-23222023-04-0113111310.1038/s41598-023-31601-zLarge-scale effects of offshore wind farms on seabirds of high conservation concernStefan Garthe0Henriette Schwemmer1Verena Peschko2Nele Markones3Sabine Müller4Philipp Schwemmer5Moritz Mercker6Research and Technology Centre (FTZ), Kiel UniversityResearch and Technology Centre (FTZ), Kiel UniversityResearch and Technology Centre (FTZ), Kiel UniversityResearch and Technology Centre (FTZ), Kiel UniversityResearch and Technology Centre (FTZ), Kiel UniversityResearch and Technology Centre (FTZ), Kiel UniversityBionum GmbH – Consultants in BiostatisticsAbstract The North Sea is a key area worldwide for the installation of offshore wind farms (OWFs). We analysed data from multiple sources to quantify the effects of OWFs on seabirds from the family Gaviidae (loons) in the German North Sea. The distribution and abundance of loons changed substantially from the period before to the period after OWF construction. Densities of loons were significantly reduced at distances of up to 9–12 km from the OWF footprints. Abundance declined by 94% within the OWF + 1 km zone and by 52% within the OWF + 10 km zone. The observed redistribution was a large-scale effect, with birds aggregating within the study area at large distances from the OWFs. Although renewable energies will be needed to provide a large share of our energy demands in the future, it is necessary to minimize the costs in terms of less-adaptable species, to avoid amplifying the biodiversity crisis.https://doi.org/10.1038/s41598-023-31601-z
spellingShingle Stefan Garthe
Henriette Schwemmer
Verena Peschko
Nele Markones
Sabine Müller
Philipp Schwemmer
Moritz Mercker
Large-scale effects of offshore wind farms on seabirds of high conservation concern
Scientific Reports
title Large-scale effects of offshore wind farms on seabirds of high conservation concern
title_full Large-scale effects of offshore wind farms on seabirds of high conservation concern
title_fullStr Large-scale effects of offshore wind farms on seabirds of high conservation concern
title_full_unstemmed Large-scale effects of offshore wind farms on seabirds of high conservation concern
title_short Large-scale effects of offshore wind farms on seabirds of high conservation concern
title_sort large scale effects of offshore wind farms on seabirds of high conservation concern
url https://doi.org/10.1038/s41598-023-31601-z
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