Eco-physiological characteristic of some common caprellid species in the Possjet Bay (the Japan Sea) |
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Authors: | S V Vassilenko |
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Institution: | (1) Zoological Institute Academy of Sciences, B-034 Leningrad, USSR |
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Abstract: | Parameters of equations relating wet and dry body weight to length have been calculated for four species of caprellids from the Japan Sea (Possjet Bay), specifically Caprella cristibrachium, C. kroyeri, C. penantis, and C. bispinosa. A common equation was obtained for oxygen consumption rate in relation to body weight. It was shown that within the Order Amphipoda the metabolic rate of caprellids is 1.5 times lower than that of gammarids. The differences in the fecundity of gravid females of four species and females of one species in the spring and summer, respectively, are shown. At the same time the relationship between number of eggs per female and wet body weight of female is approximated by one equation. The equation obtained shows that caprellids represent an ecologically homogeneous group. |
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Keywords: | Caprellidae Japan Sea ecology physiology |
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