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reference : Shifting species assemblages in the Northeast US Continental Shelf Large Marine Ecosystem

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Shifting species assemblages in the Northeast US Continental Shelf Large Marine Ecosystem
Bibliographic fields
reftype Journal Article
Abstract The Northeast US Continental Shelf Large Marine Ecosystem (NES LME) has experienced 2 major pressures: fishing and climate. The magnitude and rate of response to these pressures are species-specific and depend on each individual species' behavior, physiology and life histories. Thus, species assemblages can be expected to change as a result of the sum of each individual species' response. In previous studies, distinct species assemblages have been identified in each of the 4 subregions by which the NES LME has traditionally been assessed: Mid-Atlantic Bight (MAB), Southern New England (SNE), Georges Bank (GB), and Gulf of Maine (GOM). In this study, we confirm that each subregion has a distinct species assemblage, but found that those assemblages are shifting over time. The shift appears to be towards species that prefer warmer water. The result is a species assemblage within each subregion that more closely resembles the historic assemblage found in the adjacent subregion to the south. These shifts have occurred in response to a combination of both fishing and climate, and are highly nonlinear. Therefore, current reductions in fishing pressure may not be adequate to return the system to a more historic species assemblage.
Alternate Journal Mar Ecol-Prog Ser
Author Lucey, S. M. Nye, J. A.
Author Address Lucey, SM; Natl Marine Fisheries Serv, NE Fisheries Sci Ctr, Woods Hole Lab, 166 Water St, Woods Hole, MA 02543 USA; Natl Marine Fisheries Serv, NE Fisheries Sci Ctr, Woods Hole Lab, 166 Water St, Woods Hole, MA 02543 USA; Natl Marine Fisheries Serv, NE Fisheries Sci Ctr, Woods Hole Lab, Woods Hole, MA 02543 USA
DOI 10.3354/Meps08743
ISSN 0171-8630
Journal Marine Ecology Progress Series
Keywords species distribution; northeast us continental shelf large marine ecosystem; fishing pressure; climate effect; non-metric multidimensional scaling; anosim; simper; georges bank; atlantic oscillation; climate-change; community structure; fish community; variability; fisheries; responses; recovery; trends
Language English
Notes 674RG; Times Cited:2; Cited References Count:47
Pages 23-33
Title Shifting species assemblages in the Northeast US Continental Shelf Large Marine Ecosystem
Volume 415
Year 2010
Bibliographic identifiers
.reference_type 0
_chapter ["Ch. 8: Ecosystems FINAL"]
_record_number 1529
_uuid 6e848e96-9b83-4b3a-bce8-46bfc81da3fa