Reproductive Parameters of Adult Birds and Morphophysiological Characteristics of Chicks in the Pied Flycatcher (Ficedula hypoleuca Pall.) in Technogenically Polluted Habitats

Reproductive Parameters of Adult Birds and Morphophysiological Characteristics of Chicks in the... Effects of toxic emissions (heavy metals and sulfur dioxide) on reproductive parameters of adult pied flycatchers (Ficedula hypoleuca Pall.) and morphophysiological characteristics of their progeny have been studied in the vicinity of the Middle Ural Copper-Smelting Plant. In polluted areas, the fecundity of adult birds is lower, mortality among the progeny is higher, and changes in the physiological parameters of birds are observed. The effects of toxic load are better manifested in nestlings than in adult birds. They include an increase in the liver index, the reduction of hemoglobin concentration, and an increase in the proportion of immature erythrocytes in the peripheral blood. The proportion of anemic birds also increases. The weakening of nestlings facilitates their infestation by the larvae of parasitic flies. Changes in the differential blood count of nestlings reflect the combined impact of toxic pollutants and parasites. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Ecology Springer Journals

Reproductive Parameters of Adult Birds and Morphophysiological Characteristics of Chicks in the Pied Flycatcher (Ficedula hypoleuca Pall.) in Technogenically Polluted Habitats

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/lp/springer_journal/reproductive-parameters-of-adult-birds-and-morphophysiological-rgsLSPPvZU
Publisher
Nauka/Interperiodica
Copyright
Copyright © 2005 by MAIK "Nauka/Interperiodica"
Subject
Life Sciences; Environment, general; Ecology
ISSN
1067-4136
eISSN
1608-3334
D.O.I.
10.1007/s11184-005-0080-4
Publisher site
See Article on Publisher Site

Abstract

Effects of toxic emissions (heavy metals and sulfur dioxide) on reproductive parameters of adult pied flycatchers (Ficedula hypoleuca Pall.) and morphophysiological characteristics of their progeny have been studied in the vicinity of the Middle Ural Copper-Smelting Plant. In polluted areas, the fecundity of adult birds is lower, mortality among the progeny is higher, and changes in the physiological parameters of birds are observed. The effects of toxic load are better manifested in nestlings than in adult birds. They include an increase in the liver index, the reduction of hemoglobin concentration, and an increase in the proportion of immature erythrocytes in the peripheral blood. The proportion of anemic birds also increases. The weakening of nestlings facilitates their infestation by the larvae of parasitic flies. Changes in the differential blood count of nestlings reflect the combined impact of toxic pollutants and parasites.

Journal

Russian Journal of EcologySpringer Journals

Published: Sep 23, 2005

References

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