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Effects of a Gulf Stream warm‐core ring on summer seabird distribution in the northwest Atlantic Ocean 1
Author(s) -
Haney J. Christopher
Publication year - 1987
Publication title -
limnology and oceanography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.7
H-Index - 197
eISSN - 1939-5590
pISSN - 0024-3590
DOI - 10.4319/lo.1987.32.3.0665
Subject(s) - seabird , oceanography , gulf stream , abundance (ecology) , water mass , environmental science , nekton , geology , fishery , biology , estuary , paleontology , predation
Species composition, distribution, and abundance of seabirds at a Gulf Stream warm‐core ring differed from water masses of the northwest Atlantic slope, shelf, and Sargasso Sea during August 1984. Mean seabird abundance within the 2‐month‐old ring (12.3 birds km −2 ) was similar to Slope Water (13.0 birds km −2 ). Mean biomass of the seabird assemblage within the ring (0.85 kg km −2 wet wt) was intermediate between biomass values in Sargasso Sea and Slope Water. The seabird assemblage within the ring was comprised of one nekton‐feeding species ( Puffinus lherminieri ) displaced from the parent water mass (Gulf Stream), and the storm‐petrels Oceanites oceanicus and Oceanodroma leucorhoa common in adjacent Slope Water.