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Free Content Distribution and Abundance of the Polychaetous Annelids in a South Florida Estuary

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The distribution and abundance of polychaetous annelids in a subtropical estuarine environment were investigated. The area contained zones of Thalassia testudinum, Diplanthera wrightii, and sand. Quarterly samples were taken from stations established within all zones. No seasonal differences in particle size distribution of sediment were found. The Thalassia zone was found to support the largest number of organisms. Onuphis eremita oculata was the dominant polychaete.

Czekanowski's coefficient and group average sorting were used to determine relationships among the fauna from each zone. Information statistic tests were utilized to delineate classes. It was shown that different assemblages of polychaetes were not associated with different vegetative zones. The densities of the individual species from the one assemblage present in Lassing Park, St. Petersburg, Florida, varied by season and by zone.

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Document Type: Research Article

Publication date: 1974-09-01

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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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