654 resultados para Andrew W. Breidenbach Environmental Research Center (U.S.)
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Mode of access: Internet.
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Includes bibliographical references.
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Includes index.
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"ICOMP-92-02; CMOTT-92-02."
Publication ... of the Mathematics Research Center, United States Army, the University of Wisconsin.
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Published: New York : Wiley, 1964-1968; New York : Academic Press, 1969-1970.
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Mode of access: Internet.
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Cover title.
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"October 1977."
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"November 1977."
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"December 1977."
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This study documents marine ecological conditions at Rincon Island, located approximately 0.8 kilometer offshore between Ventura and Santa Barbara, California, in a depth of 14 meters. The island, which was constructed between 1957 and 1958 to serve as a permanent platform for oil and gas production, is particularly suitable for ecological study. Habitat features associated with the armor rock and concrete tetrapods surrounding the island support a 'microecosystem' which differs in biotic composition from surrounding natural bottom areas. A major part of the study was devoted to analysis of seasonal dynamics in biotic composition. Permanent transects extending from the high intertidal to natural bottom were established normal to each of the four cardinal sides of the island. All macrobiota were censused in duplicate 1-square meter quadrats along each transect during each of the four seasons. Data analysis indicated that many species exhibit significant variability in abundance from one season to the next. In general, the findings indicate a rich and varied fauna and flora associated with the high-relief solid substrate of Rincon Island which differs substantially from the more depauperate natural bottom habitats in the area.
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Contract no.: DACW72-76-C-0007.
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Includes indexes.
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"July 1979."
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"July 1979."