期刊
JOURNAL OF MARINE SYSTEMS
卷 152, 期 -, 页码 51-63出版社
ELSEVIER
DOI: 10.1016/j.jmarsys.2015.07.006
关键词
Climatic changes; Man-induced effects; Modelling; Ecosystems; Northwest European continental shelf; POLCOMS-ERSEM
资金
- NERC National Capability in modelling at the National Oceanography Centre
- Plymouth Marine Laboratory
- European Commission Marine Ecosystem Evolution in a Changing Environment (MEECE) collaborative project [212085]
- NERC [pml010006, noc010010] Funding Source: UKRI
- Natural Environment Research Council [noc010012, noc010010, pml010006] Funding Source: researchfish
The potential response of the marine ecosystem of the northwest European continental shelf to climate change under a medium emissions scenario (SRES A1B) is investigated using the coupled hydrodynamics-ecosystem model POLCOMS-ERSEM. Changes in the near future (2030-2040) and the far future (2082-2099) are compared to the recent past (1983-2000). The sensitivity of the ecosystem to potential changes in multiple anthropogenic drivers (river nutrient loads and benthic trawling) in the near future is compared to the impact of changes in climate. With the exception of the biomass of benthic organisms, the influence of the anthropogenic drivers only exceeds the impact of climate change in coastal regions. Increasing river nitrogen loads has a limited impact on the ecosystem whilst reducing river nitrogen and phosphate concentrations affects net primary production (netPP) and phytoplankton and zooplankton biomass. Direct anthropogenic forcing is seen to mitigate/amplify the effects of climate change. Increasing river nitrogen has the potential to amplify the effects of climate change at the coast by increasing netPP. Reducing river nitrogen and phosphate mitigates the effects of climate change for netPP and the biomass of small phytoplankton and large zooplankton species but amplifies changes in the biomass of large phytoplankton and small zooplankton. (C) 2015 The Authors. Published by Elsevier B.V.
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