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Population dynamics of the calanoid copepod, Acartia tsuensis in a brackish-water pond in the Philippines

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www.jstage.jst.go.jp
Date
2002
Author
Golez, Ma. Salvacion N.
Ohno, Atsushi
Toledo, Joebert D.
Tanaka, Yuji
Ishimaru, Takashi
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Abstract
The occurrence pattern and population dynamics of Acartia tsuensis were investigated in a brackish-water pond in Panay Island in central Philippines by implementing both bi-monthly and daily sampling schemes. A. tsuensis occurred in the pond during the dry season (November-April) when the salinity of the water is in the range of 14 ~ 40 ppt but was completely absent at lower salinities. An almost constant rate of development from the nauplius 2 through to copepodite 5 stages of A. tsuensis was observed both in the pond and in the laboratory. The generation time ranged from 5.9~11.3 days. Fecundity had a positive linear corelation with chlorophyll a. Salinity and chlorophyll a affect the stage duration, mortality, and fecundity of A. tsuensis in the pond.
URI
http://hdl.handle.net/10862/1929
Suggested Citation
Golez, M. S. N., Ohno, A., Toledo, J. D., Tanaka, Y., & Ishimaru, T. (2002). Population dynamics of the calanoid copepod, Acartia tsuensis in a brackish-water pond in the Philippines. Fisheries Science, 68(Suppl. 1), 341-344.
Subject
freshwater crustaceans ASFA; ponds ASFA; population dynamics ASFA; zooplankton ASFA; salinity ASFA; fecundity ASFA; mortality ASFA; Acartia tsuensis; Calanoida; Philippines; Generation time; Stage duration
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  • AQD Journal Articles [1158]

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