Study on wind farms in the North Sea area

Chirosca, Ana-Maria; Rusu, Liliana; Bleoju, Anca

doi:10.1016/j.egyr.2022.10.244

Cited by 10 publications

(2 citation statements)

References 6 publications

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“…The copyright holder for this preprint (which this version posted June 1, 2023. ; https://doi.org/10.1101/2023.06.01.541278 doi: bioRxiv preprint can facilitate future efforts to identify stressors individuals may encounter along migration corridors, such as interactions with fisheries, including bycatch, and renewable energy developments. A potential threat to individuals migrating through the North Sea is posed by offshore wind farms, with Arctic Skuas being at relatively high risk to collision with turbines (Furness et al 2013;Chirosca et al 2022). This largely involved individuals from Scotland and the Faroe Islands during their southbound and, to a lesser extent, northbound migrations.…”

Section: Migration Routesmentioning

confidence: 99%

Cross population comparison of complex migration strategies in a declining oceanic seabird

O'Hanlon,

van Bemmelen,

Snell

et al. 2023

Preprint

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Human-driven change is impacting ecosystems globally, with consequential declines in biodiversity. Long-distance migrants are particularly susceptible as they depend on conditions over large geographical scales and are more likely to experience a greater range of pressures. One long-distance migrant that has experienced substantial declines across the North-East Atlantic is the Arctic Skua Stercorarius parasiticus however, little is known about their migratory behaviour or the routes they undertake. We used geolocators with salt-water switches to track Arctic Skuas from four breeding populations. To investigate migration strategies, we developed a Hidden Markov Model approach that used saltwater immersion data to classify stopovers and transit flights. We found that the skuas used several discrete staging areas during their south and northbound migrations with an area of apparent high marine productivity in the mid-North Atlantic being of high importance. Extensive overlap of individuals from different breeding populations occurred in staging areas, resulting in weak spatial connectivity between breeding and staging areas, further emphasizing their importance. At the population-level, variation in migration strategies was driven by individuals from Svalbard, which is declining less than the other populations tracked. Relative location of wintering areas also influenced migration strategies, with individuals migrating further spending a smaller proportion of their migration at stopovers compared to those wintering closer, and instead employed a fly-and-forage strategy. Identifying the complex non-breeding distribution, weak migratory connectivity and highly conserved migration strategies of Arctic Skuas is a vital step to link how conditions experienced during migration influences population dynamics and to prioritise future research and conservation actions.

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Section: Migration Routesmentioning

confidence: 99%

Cross population comparison of complex migration strategies in a declining oceanic seabird

O'Hanlon,

van Bemmelen,

Snell

et al. 2023

Preprint

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“…These biogenic reefs provided a hard substrate for many associated life forms. The recent and future rapid development of large-scale offshore wind farms (OWFs) in the North Sea [ 4 ] provides new hard substrate habitats, e.g. submerged vertical structures and rocky scour beds, that can act as artificial reefs for a diverse epifauna community [ 5 ].…”

Section: Introductionmentioning

confidence: 99%

Strong site fidelity, residency and local behaviour of Atlantic cod ( Gadus morhua ) at two types of artificial reefs in an offshore wind farm

Berges,

Knaap,

van Keeken

et al. 2024

R. Soc. Open Sci.

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Globally, biogenic temperate reefs are among the most threatened habitats. In the North Sea in particular, large shellfish reefs were lost owing to fishing activities in the 1900s. The impact of offshore wind farms (OWFs) on marine wildlife is extensive, and it offers the possibility to reintroduce new hard substrate habitats that are protected from fisheries at a large scale. In addition to the submerged structures of OWFs, marine hard substrate habitat can be further enhanced by providing extra artificial reefs. In an operational OWF along the Dutch coast, four artificial reefs (two with a scour bed and two without) were deployed in the vicinity of a wind turbine. Acoustic telemetry was used to monitor the fine-scale movement of 64 Atlantic cod ( Gadus morhua ). The monitoring ran from July 2021 to January 2023. Detailed information on behaviour, area utilization and attraction to the structures was determined. Results showed strong attraction (high site fidelity and residency) to the artificial reef, with no significant difference between the two tested types of reefs, and only a few individuals staying over winter. Cod spent a large proportion of their time hiding in the artificial reefs, suggesting that adding pipes for shelter has a beneficiary effect.

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Wind Climate Analysis at the Future Wind Farm Positions in the Mediterranean Sea

Chirosca,

Rusu

2024

Green Energy and Technology

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Study on wind farms in the North Sea area

Cited by 10 publications

References 6 publications

Cross population comparison of complex migration strategies in a declining oceanic seabird

Cross population comparison of complex migration strategies in a declining oceanic seabird

Strong site fidelity, residency and local behaviour of Atlantic cod ( Gadus morhua ) at two types of artificial reefs in an offshore wind farm

Wind Climate Analysis at the Future Wind Farm Positions in the Mediterranean Sea

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