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Benthic Communities Associated with Carbonate Rubble and Adjacent Soft Sediments in a Shallow Coastal Area of O'ahu, Hawai'i

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Title: Benthic Communities Associated with Carbonate Rubble and Adjacent Soft Sediments in a Shallow Coastal Area of O'ahu, Hawai'i
Authors: McCarthy, S.A.
Bailey-Brock, J.H.
Estabrooks, W.A.
Issue Date: Apr 1998
Publisher: University of Hawaii Press
Citation: McCarthy SA, Bailey-Brock JH, Estabrooks WA. 1998. Benthic communities associated with carbonate rubble and adjacent soft sediments in a shallow coastal area of O'ahu, Hawai'i. Pac Sci 52(2): 141-150.
Abstract: Although the shallow, wave-swept sedimentary environment of
the near-shore subtidal region of Hawai'i would be expected to be characterized
by a relatively homogenous community associated with shifting sediments,
small-scale variability in the macrofauna exists. Benthic communities associated
with rubble are distinct from nearby sand areas. Higher densities, taxonomic
richness, and benthic biomass are characteristic of sediments containing
carbonate rubble fragments (ranging from 2 to 64 mm in size). Rubble communities
are dominated by annelids and a variety of crustaceans (primarily
amphipods, isopods, and tanaids); sand communities are dominated by nematodes.
The unconsolidated carbonate rubble community displays an undisturbed
Abundance Biomass Comparison (ABC) pattern; the sand community
displays a disturbed pattern. The divergent ABC patterns may reflect differences
in substrate stability.
URI/DOI: http://hdl.handle.net/10125/1565
ISSN: 0030-8870
Appears in Collections:Pacific Science Volume 52, Number 2, 1998



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