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Item Summary

Title: Sessile Invertebrate Colonization of a Coral Patch Reef: A Study of Two Reefs in Kaneohe Bay, Hawaii
Authors: Lewis, Clark R.
Issue Date: 1-Aug-1980
Publisher: Northern Illinois University, Dekalb, Illinois
Citation: Lewis, Clark R. Sessile Invertebrate Colonization of a Coral Patch Reef: A Study of Two Reefs in Kaneohe Bay, Hawaii. Dekalb, Illinois: Northern Illinois University, 1980.
Abstract: Marine invertebrate colonization for a complete annual cycle was
examined on two coral patch reefs in Kaneohe Bay, Oahu, Hawaii. Polyvinyl
chloride panels provided the substratum for settlement and their
placement on the reefs was along windward to leeward (upstream to
downstream) transects. Counts of individual organisms and area covered
by colonies provided data for site by site and inter-reef comparisons
of temporal and spatial colonization trends.
Over 80% of the total invertebrate settlements could be ascribed
to five taxonomic groups: oysters, barnacles, serpulid worms,
bryozoans, and tunicates. The patterns of colonization exhibited by
these five groups are analyzed and discussed in detail. The greatest
numbers of new settlements consistently occurred at the shallow windward
site of each reef, whereas the least amount of colonization took
place in the middle of the study reefs. These colonization phenomena
are discussed with respect to the influence of various physical and
biological factors.
Five months into the study, all of the fishes were removed from
the smaller of the two patch reefs, providing at least temporarily, a
means of examining the effects of fish on invertebrate colonization.
Visual transects were used prior to and after fish removal to assess
the resident fish population. Due to the rapid recolonization of the
reef, particularly by dominant herbivores, major effects on invertebrate
colonization patterns were not detected.
Pages/Duration: 140 pages
Appears in Collections:Kaneohe Bay Research

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