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Free Content Tropical Pacific Pelecypods and Productivity: A Hypothesis

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I present the hypothesis that a general decline in nutrients for suspension-feeders from the western rim of the tropical Pacific to the oceanic islands of Micronesia and Polynesia accounts for the low diversity, small adult body size, and prevalence of strongly inflated shells in oceanic shallow-water pelecypod assemblages. Gastropods and other groups at higher trophic levels are much less affected by this gradient in nutrition. Some preliminary observations support the hypothesis, but more work is needed to establish the relationships among pelecypod size, growth rate, and shell form.

Document Type: Research Article

Publication date: 1990-07-01

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  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
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