Volume 72, Issue 6 pp. 695-707
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Survival and Reproduction Potential of Philodina roseola (Ehrenberg) (Rotatoria, Bdelloida) under Various Temperature Conditions

Dr. L. I. Lebedeva

Corresponding Author

Dr. L. I. Lebedeva

Senior Scientist

Biological Faculty, Moscow State University, Moscow, USSR, and Water Problems Institute of the USSR Academy of Sciences, Moscow, USSR

L. I. Lebedeva, Department of General Ecology and Hydrobiology, Biological Faculty, Moscow State University USSR - 117234, Moscow, Leninskie Gory

T. N. Gerasimova, Laboratory of Aquatic Ecosystems, Water Problems Institute of the USSR Academy of Sciences, USSR - 103064, Moscow, Sadovo-Chernogryazskaya, 13/3

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T. N. Gerasimova

Corresponding Author

T. N. Gerasimova

Junior Scientist

Biological Faculty, Moscow State University, Moscow, USSR, and Water Problems Institute of the USSR Academy of Sciences, Moscow, USSR

L. I. Lebedeva, Department of General Ecology and Hydrobiology, Biological Faculty, Moscow State University USSR - 117234, Moscow, Leninskie Gory

T. N. Gerasimova, Laboratory of Aquatic Ecosystems, Water Problems Institute of the USSR Academy of Sciences, USSR - 103064, Moscow, Sadovo-Chernogryazskaya, 13/3

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First published: 1987
Citations: 9

Abstract

Survival data, in addition to data on growth and reproduction rate, are necessary to estimate rotifer productivity under various thermal conditions. A method of individual culturing of Philodina roseola helped the authors to obtain data concerning length of life span and realisation of reproduction potential at different temperatures, ranging from 9 to 35 °C. The method also was helpful in revealing the causes of individual deaths. It is shown that at a temperature of 20 °C net reproduction rate (R0) of Ph. roseola is maximum and is equal to reproduction potential of the individual. The peculiarity of Philodina ontogenetic reaction to temperature beyond optimum is the impairment of reproduction process.

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