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水生生物学期刊
SJR: 0.227 SNIP: 0.901 CiteScore™: 0.5

ISSN 打印: 0018-8166
ISSN 在线: 1943-5991

水生生物学期刊

DOI: 10.1615/HydrobJ.v45.i4.20
pages 13-21

Influence of Temperature Fluctuations on the Embryonic Development, Growth, and Fecundity of Lymnaea stagnalis (L.)

A. S. Konstantinov
Moscow State University, Moscow, Russia
V. A. Kuznetsov
Mordovian State University, Saransk, Russian Federation
T. N. Kostoyeva
Mordova State University, Saransk, Russia

ABSTRACT

It has been found that under the influence of insignificant temperature fluctuations the rate of embryonic development of Lymnaea stagnalis essentially increased, whereas the death rate of its embryos essentially decreased. The linear and weight growth of mollusks sharply increased, whereas the variability of its specimens in terms of their length and mass decreased. In this case, the death rate of the specimens decreased. The sexual maturity of mollusks was registered earlier, whereas their fecundity essentially increased.


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