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The English Channel is subjected to a high and growing number of anthropogenic disturbances (e.g., fishing, aggregate extraction, dredging, port activity and spoil deposition). It is also a hotspot for future Offshore Wind Farm (OWF) development in France. The DRACCAR project is the first French offshore research platform dedicated to an offshore wind farm. The aim of this project is to improve the understanding of the interactions between an offshore wind farm and its environment, to optimise the design of wind turbines and to co-construct a permanent observation network of coastal waters. Six topics are thus studied: ecosystem approach; marine megafauna; fishery resources, biofouling and benthos; wind; structure behaviour and hydro-sedimentary processes. This paper presents the sampling strategy to collect biological data on the different ecosystem compartments of the Fécamp offshore platform, adopting an ecosystem approach for the implementation of a trophic network analysis. It will allow to understand the reef and/or reserve effect of this offshore structure on a gravel habitat. Thus, the collection of data on biological compartments (bacteria, phytoplankton, zooplankton, suprabenthos, soft bottom benthos, hard substrate benthos, algae, demersal fishes) are essential. Seasonal patterns will be studied in 2024 to estimate the contribution of each zoological group to the trophic network, with isotopic analysis and stomach contents analysis of demersal fish. Additionally, steel panels will be installed at different distances from the platform wake to study the spatio-temporal dynamics of biofouling organims.

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Field Data Acquisition Strategy for an Ecosystem Approach to Studying the Reef and Reserved Effects of Offshore Wind Farms: The Fécamp Measuring Mast

  • 会议论文

  • 发表日期：

    2025年

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  • J.-Ph. Pezy,
  • A. Raoux,
  • M. Charbonnelle,
  • F. Schlicklin,
  • M. Deloor,
  • P. Claquin,
  • R. Gallon,
  • I. Poirier,
  • A.-M. Rusig,
  • I. Mussio,
  • P. Balay,
  • C. Dancie,
  • F. Leroy,
  • L. Furgerot

摘要

The English Channel is subjected to a high and growing number of anthropogenic disturbances (e.g., fishing, aggregate extraction, dredging, port activity and spoil deposition). It is also a hotspot for future Offshore Wind Farm (OWF) development in France. The DRACCAR project is the first French offshore research platform dedicated to an offshore wind farm. The aim of this project is to improve the understanding of the interactions between an offshore wind farm and its environment, to optimise the design of wind turbines and to co-construct a permanent observation network of coastal waters. Six topics are thus studied: ecosystem approach; marine megafauna; fishery resources, biofouling and benthos; wind; structure behaviour and hydro-sedimentary processes. This paper presents the sampling strategy to collect biological data on the different ecosystem compartments of the Fécamp offshore platform, adopting an ecosystem approach for the implementation of a trophic network analysis. It will allow to understand the reef and/or reserve effect of this offshore structure on a gravel habitat. Thus, the collection of data on biological compartments (bacteria, phytoplankton, zooplankton, suprabenthos, soft bottom benthos, hard substrate benthos, algae, demersal fishes) are essential. Seasonal patterns will be studied in 2024 to estimate the contribution of each zoological group to the trophic network, with isotopic analysis and stomach contents analysis of demersal fish. Additionally, steel panels will be installed at different distances from the platform wake to study the spatio-temporal dynamics of biofouling organims.