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Free Content Comparison of the Community Structures in a Pacific and an Atlantic Panamanian Sandy Beach

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The macroscopic infaunas of two panamanian sandy beaches, Shimmey Beach on the Atlantic coast and Naos Island beach on the Pacific coast, were examined during the summer of 1969. The Pacific beach, compared with the Atlantic beach, had 6 times the density of individuals, 9 times the biomass, and 3 times as many species. In majority, the faunas were composed of closely related species, which showed similar patterns of zonation. The most abundant organism, Cirolana mayana, occurred on both beaches. Other abundant organisms included Ancinus spp., nerinid polychaetes, Paraonides, and Cyclaspis.

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Document Type: Research Article

Publication date: 1972-06-01

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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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