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T. B. Kalinnikova I. A. Krasnoperova T. M. Gainutdinov S. V. Sadykova M. Kh. Gainutdinov 《Russian Journal of Ecology》2005,36(2):109-114
The thermal resistance of Daphnia magna Straus is a trait depending on the interaction between individuals. The group effect is expressed in D. magna as both a decrease in thermal resistance and a marked individual differentiation with respect to thermal resistance. Two types of interactions between individual D. magna have been found: (1) the release of an unidentified factor decreasing thermal resistance (without noticeably changing the phenotypic variability of this trait) into the medium and (2) a decrease in the thermal resistance of individuals poorly adapted to heat stress, with the thermal resistance of well-adapted individuals (determined by the dependence of thermal resistance on interactions between individuals) remaining the same or even slightly increasing.Translated from Ekologiya, No. 2, 2005, pp. 126–131.Original Russian Text Copyright © 2005 by Kalinnikova, Krasnoperova, T. Gainutdinov, Sadykova, M. Gainutdinov. 相似文献
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Gainutdinov M. Kh. Yargunov V. G. Kalinnikova T. B. Gainutdinov T. M. Varlamov V. E. 《Russian Journal of Ecology》2000,31(6):444-446
Russian Journal of Ecology - 相似文献
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Kalinnikova T. B. Gainutdinov T. M. Seraziev R. Kh. Gainutdinov M. Kh. 《Russian Journal of Ecology》2003,34(3):198-201
A signal (nonlethal) increase in ambient temperature (to 26 and 31°C for the oligochaetes Enchytraeus albidus and Tubifex tubifex, respectively) induces intraspecific interactions mediated by the release of pheromones into the medium. The pheromones cause physiological changes that persist after the cessation of either these interactions or pheromone action and are expressed as a considerable increase in the heat tolerance of individual E. albidus and T. tubifex. 相似文献
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