Comparative bioenergetics of permanent and temporary pond populations of the freshwater clam, Musculium partumeium (Say)

The population energetics of a temporary and a permanent pond population of Musculium partumeium in Southwest Ohio were studied. In the permanent pond the population was bivoltine and iteroparous whereas in the temporary pond the population was usually univoltine and semelparous. Growth and biomass...

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Bibliographic Details
Published in:Hydrobiologia 1985-07, Vol.126 (1), p.35-48
Main Authors: Burky, Albert J., Hornbach, Daniel J., Way, C. M.
Format: Article
Language:English
Subjects:
Freshwater
Musculium partumeium
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Summary:The population energetics of a temporary and a permanent pond population of Musculium partumeium in Southwest Ohio were studied. In the permanent pond the population was bivoltine and iteroparous whereas in the temporary pond the population was usually univoltine and semelparous. Growth and biomass were assessed as total organic carbon and total nitrogen to provide estimates of productivity and seasonal changes in C:N for each generation. Productivity was 6939 mgC multiplied by m super(-2) multiplied by a super(-1) and 1661 mgC multiplied by m super(-2) multiplied by a super(-1) for the permanent pond populations respectively. The average standing crop biomass (B) was 606.8 mgC multiplied by m super(-2) and 231.9 mgC multiplied by m super(-2) with overall productivity: biomass ratios of 11.4 and 7.2 for the permanent pond and temporary pond populations respectively.
ISSN:0018-8158
1573-5117
DOI:10.1007/BF00008385