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Effects of Nutrient Enrichment and Water Motion on the Coral Pocillopora damicornis

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Title: Effects of Nutrient Enrichment and Water Motion on the Coral Pocillopora damicornis
Authors: Stambler, Noga
Popper, Nurit
Dubinsky, Zvy
Stimson, John
Issue Date: Jul 1991
Publisher: University of Hawai'i Press
Citation: Stambler N, Popper N, Dubinsky Z, Stimson J. 1991. Effects of nutrient enrichment and water motion on the coral Pocillopora damicornis. Pac Sci 45(3): 299-307.
Abstract: Exposure of the hermatypic coral Pocillopora damicornis (Linnaeus)
to elevated levels of dissolved inorganic phosphorus did not affect the colony or
the zooxanthellae. Exposure to elevated levels of dissolved inorganic nitrogen
and inorganic nitrogen + phosphorus led to an increase in algal density, and as
a result, to an increase in the chlorophyll concentration. These latter two experimental
enrichments slowed skeletal growth rate of the corals, probably because
of a decrease in the photosynthetic rate of the algae and perhaps a decrease in
the translocation of photosynthetic products from the algae to the coral. The
algae probably used the photosynthetic energy for their own increased growth.
Experimental manipulation of water motion used in these experiments did not
affect the coral or the symbiotic algae.
URI/DOI: http://hdl.handle.net/10125/1396
ISSN: 0030-8870
Appears in Collections:Pacific Science Volume 45, Number 3, 1991



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