The determination of fresh organic carbon weight from formaldehyde preserved macrofaunal samples |
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Authors: | Jeffrey B Frithsen David T Rudnick Peter H Doering |
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Institution: | (1) Marine Ecosystems Research Laboratory, Graduate School of Oceanography, University of Rhode Island, 02882-1197 Narragansett, RI, U.S.A.;(2) Present address: The Ecosystems Center, Marine Biological Laboratory, 02543 Woods Hole, MA, U.S.A. |
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Abstract: | Methodologies are presented whereby the fresh organic carbon weight of formaldehyde preserved macrofaunal samples may be estimated. Length-organic carbon weight regressions were determined for the four numerically dominant bivalves in Narragansett Bay, Rhode Island (Nucula annulata, Yoldia limatula, Mulinia lateralis, and Pandora gouldiana) and one commercially important, but less abundant species (Mercenaria mercenaria). Constants were determined to convert the dry weight of preserved softbodied organisms (polychaetes, oligochaetes, amphipods, etc.) to fresh (unpreserved) organic carbon weight. These results can be used by investigators studying the energetics of benthic communities similar to those in Narragansett Bay. |
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Keywords: | macrofauna sediments methods Narragansett Bay animal preservation |
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