Russian Journal of Ecology, Vol. 31, No. 6, 2000, pp. 444–446. Translated from Ekologiya, No. 6, 2000, pp. 478–480. Original Russian Text Copyright © 2000 by M. Gainutdinov, Yargunov, Kalinnikova, T. Gainutdinov, Varlamov. SHORT COMMUNICATIONS On the Role of a Decentralized Control System in Adaptation to High Ambient Temperature in a Population of the Oligochaete Tubifex tubifex M. Kh. Gainutdinov, V. G. Yargunov, T. B. Kalinnikova, T. M. Gainutdinov, and V. E. Varlamov Institute of the Ecology of Natural Systems, Academy of Sciences of Tatarstan, ul. Daurskaya 28, Kazan, 420087 Russia Received November 30, 1999 Key words: high temperature, heat resistance, control system, social signals Population density in aquatic and terrestrial animals States); all other reagents of the “chemically pure” is known to be regulated by pheromones, i.e., chemical grade (Russia). signals emitted by individual animals (Shvarts and The results of experiments with a varying number of Pyastolova, 1970; Shvarts et al., 1976; Riddle, 1988). individuals or their density (Fig. 1) indicate the exist- Temperature is regarded as an environmental factor the ence of the group effect in T. tubifex exposed to the effect of which is independent of population density effect of high temperature. This effect manifests itself
Russian Journal of Ecology – Springer Journals
Published: Oct 8, 2004
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