An ecosystem-wide approach for assessing the spatialized cumulative effects of local and global changes on coastal ecosystem functioning

Quentin Nogues; Pierre Bourdaud; Emma AraignousGhassen HalouaniFrida Ben Rais LasramJean-Claude DauvinFran?ois Le Loc’hNathalie Niquil

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An ecosystem-wide approach for assessing the spatialized cumulative effects of local and global changes on coastal ecosystem functioning

机译：An ecosystem-wide approach for assessing the spatialized cumulative effects of local and global changes on coastal ecosystem functioning

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Coastal ecosystems are subjected to an increasing number of anthropogenic drivers, including marine renewable energies and climate change(CC). These drivers can interact in complex ways, which may lead to cumulative effects (CEs) whose potential consequences on the ecosystemsneed to be addressed. We used a holistic approach—ecological network analysis (ENA)—coupled with a two-dimensional food web model—Ecospace—to conduct an ecosystem study of the CEs of CC plus the operation of an offshore wind farm on ecosystem functioning in theextended Bay of Seine (English Channel). Mapped ENA indices showed that CEs were not restricted to the wind farm area, i.e. where anthropogenicdrivers are concomitant. CEs varied both in space and among ecosystem properties, displaying that ENA indices can distinguishbetween different cumulative pathways that modify ecosystem functioning in multiple ways. Moreover, the effects seemed to be tied to thestructuring role of CC, and differed under the 2050 and 2100 conditions. Such changes resulted in stronger loss of ecosystem resilience underthe 2100 conditions despite the benefits of the reef and reserve effects of the wind farm.

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《ICES journal of marine science: International Council for the Exploration of the Sea journal of marine science》 |2023年第4期|1129-1142|共14页
作者
Quentin Nogues; Pierre Bourdaud; Emma AraignousGhassen HalouaniFrida Ben Rais LasramJean-Claude DauvinFran?ois Le Loc’hNathalie Niquil;
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作者单位

Normandie Univ., UNICAEN, Laboratoire Biologie des ORganismes et Ecosystèmes Aquatiques, UMR 8067 BOREA (CNRS, MNHN, UPMC,UCBN, IRD-207), CS 14032, 14000 Caen, France;

Univ. Brest, CNRS, IRD, Ifremer, IUEM, rue Dumont d’Urville, BP 70, 29280 Plouzane, France;

France Energies Marines ITE-EMR, 525 avenue Alexis de Rochon, 29280 Plouzane, FranceIfremer, Unite halieutique Manche-Mer du Nord Ifremer, HMMN, F 62200 Boulogne sur mer, FranceUniv. Littoral C?te d’Opale, Univ. Lille, CNRS, IRD, UMR 8187, LOG, Laboratoire d’Oceanologie et de Geosciences, F 62930 Wimereux, FranceNormandie Univ., UNICAEN, Laboratoire Morphodynamique Continentale et C?tière, CNRS UMR 6143 M2C, 24 rue des Tilleuls, 14000 Caen,France;

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正文语种英语
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climate change; coastal ecology; combined drivers; cumulative effects; ecological network analysis; ecosystem functioning; fishing; offshore wind farm; resilience;

An ecosystem-wide approach for assessing the spatialized cumulative effects of local and global changes on coastal ecosystem functioning

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