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Home CCSU Theses & Dissertations Rocky intertidal zonation and habitat ecology of gammaridean Amphipods in Long Island Sound /...

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Rocky intertidal zonation and habitat ecology of gammaridean Amphipods in Long Island Sound / Suchana Chavanich

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Identifier	Thesis 1484
Author	Chavanich, Suchana
Title	Rocky intertidal zonation and habitat ecology of gammaridean Amphipods in Long Island Sound / Suchana Chavanich
Publisher	Central Connecticut State University
Date	1997
Resource Type	Master's Thesis
Notes	Rocky intertidal organisms are distributed in zones characterized by a few dominant species of animals and plants. Physical and biological factors have effects on such a pattern of abundance. In addition, food selection and habitat complexity play an important role in distribution and abundance of marine invertebrates. Few studies have been published on the zonation pattern of rocky intertidal amphipods. The results of this study will contribute significantly to the knowledge of the zonation pattern, habitat ecology, and seasonal patterns of amphipods in the rocky intertidal. In this study, gammaridean amphipods were collected from two rocky intertidal sites in Long Island Sound: Rocky Neck State Park, East Lyme, Connecticut, and Outer Island in Stony Creek, Connecticut, during low tide in the Fucus vesiculosus and Chrondrus crispus zones. The collections were made from August to October 1996 and April to June 1997. The species and abundance of amphipods found in Fucus vesiculosus and Chrondrus crispus in the two study sites were compared. In addition, seasonal changes in species, abundance, and size of amphipods were documented. A laboratory experiment was also conducted to determine habitat selection by amphipods on submerged seaweeds. A total of 9,773 amphipods of eight species were collected from the two study sites. Five species were found at Rocky Neck State Park while seven species were found at Outer Island. My study demonstrates that rocky intertidal amphipods of southern New England occur in zones associated with species of seaweed. Physical and biological factors, food selection and habitat architecture may play important roles in the amphipod zonation patterns. In addition, seasonal changes have effects on species abundance and population biology of amphipods. Very little is known about ecology of amphipods in the rocky intertidal zone in New England. Further investigation is needed to understand factors causing zonation, life history, and seasonal changes of amphipod species and abundance.
Subject	Intertidal zonation Intertidal ecology Intertidal animals -- Connecticut
Department	Department of Biological Sciences
Advisor	Wilson, Kim A.
Type	Text
Digital Format	application/pdf
Language	eng
OCLC number	40153079
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Rocky intertidal zonation and habitat ecology of gammaridean Amphipods in Long Island Sound / Suchana Chavanich

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