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COMPOSITION AND SEASONALITY OF SAND-BEACH AMPHIPOD ASSEMBLAGES OF THE EAST COAST OF FLORIDA

COMPOSITION AND SEASONALITY OF SAND-BEACH AMPHIPOD ASSEMBLAGES OF THE EAST COAST OF FLORIDA and Amphipod crustaceans often comprise a large percentage of the total infauna of sand beaches of the east coast of the United States (Dexter, 1967, 1969, 1971; Croker, 1967, 1970, 1977; Howard and Dorjes, 1972; Croker et al., 1975; Holland and Polgar, 1976; Hager and Croker, 1979; Knott et al., 1983). The abundance of amphipods and their presence in the diets of predatory fishes (Armitage and Alevizon, 1980), shorebirds (Grant, 1981), and polychaetes (Mc- Dermott, 1987) suggest a generally impor- tant trophic role for these crustaceans in sand-beach ecosystems. Dahl (1953), how- ever, has suggested that amphipods will be- come a relatively less important faunal component in the intertidal region as one proceeds from temperate to tropic zones. While some taxonomic (Camp et al., 1977) and limited ecological information (Spring, 1981; Gorzelany, 1983) is available for the subtropical east coast of Florida, detailed information on the seasonal dynamics of amphipod populations is lacking. The pres- ent study describes the species composition, and the temporal and spatial distribution patterns of the amphipod assemblage from two subtropical Florida beaches. MATERIALS AND METHODS Two separate projects provided data for this paper. As part ofa larger study of the macrofaunal community of http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Crustacean Biology Brill

COMPOSITION AND SEASONALITY OF SAND-BEACH AMPHIPOD ASSEMBLAGES OF THE EAST COAST OF FLORIDA

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Publisher
Brill
Copyright
Copyright 1990 by Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0278-0372
eISSN
1937-240X
DOI
10.1163/193724090X00320
Publisher site
See Article on Publisher Site

Abstract

and Amphipod crustaceans often comprise a large percentage of the total infauna of sand beaches of the east coast of the United States (Dexter, 1967, 1969, 1971; Croker, 1967, 1970, 1977; Howard and Dorjes, 1972; Croker et al., 1975; Holland and Polgar, 1976; Hager and Croker, 1979; Knott et al., 1983). The abundance of amphipods and their presence in the diets of predatory fishes (Armitage and Alevizon, 1980), shorebirds (Grant, 1981), and polychaetes (Mc- Dermott, 1987) suggest a generally impor- tant trophic role for these crustaceans in sand-beach ecosystems. Dahl (1953), how- ever, has suggested that amphipods will be- come a relatively less important faunal component in the intertidal region as one proceeds from temperate to tropic zones. While some taxonomic (Camp et al., 1977) and limited ecological information (Spring, 1981; Gorzelany, 1983) is available for the subtropical east coast of Florida, detailed information on the seasonal dynamics of amphipod populations is lacking. The pres- ent study describes the species composition, and the temporal and spatial distribution patterns of the amphipod assemblage from two subtropical Florida beaches. MATERIALS AND METHODS Two separate projects provided data for this paper. As part ofa larger study of the macrofaunal community of

Journal

Journal of Crustacean BiologyBrill

Published: Jan 1, 1990

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