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Intensity of food consumption and the size of prey of hynobius keyserlingii during ontogeny



Intensity of food consumption and the size of prey of hynobius keyserlingii during ontogeny



Ekologiya (Moscow) (5): 42-49



The dynamics of the intensity of feeding and food-procuring behavior of H. keyserlingii was studied during ontogeny in connection with the size-related accessibility of prey and its caloric content. The material was collected in Sverdlovsk Oblast, Russian SRSR, USSR, in April-Aug. 1982. During the larval period the intensity of feeding increased till metamorphosis, and its dispersion within separate stages stabilized. At the same time food-consuming activity increased, and the food spectrum expanded; the dispersion of the values of the latter increased. During postmetamorphosis the intensity of feeding increased, then it decreased. When the animals lived in the water, food caloric content was lower, compared to that on land. The dynamics of the biocenotic role of H. keyserlingii during ontogeny was discussed.

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Accession: 005718241

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