Estimation of the Relationship between Environment Heterogeneity and Distribution of Birds in Western Siberia

Estimation of the Relationship between Environment Heterogeneity and Distribution of Birds in... The results of censuses of 335 bird species and estimation of environmental factors in 1163 habitats located in undeveloped areas of the Western Siberian Plain were analyzed. The data for analysis were obtained from the databank of the Laboratory of Zoological Monitoring of the Institute of Animal Ecology and Systematics (Siberian Division, Russian Academy of Sciences). The material was collected in the first half of summer (between May 16 and July 15) in 1936–1938 and 1959–1999 (mostly beginning from 1967). A learning sample (863 variants) was used to approximate the abundance of each species with respect to each factor (including calculation by the principal-component method), and the approximation was integrated with respect to all these factors. The approximation coefficients were used to make a prognosis of species abundance based on the values of environmental factors in the control sample (300 variants). For the 50 most prevalent species, accounting for more than 80% of total bird abundance, the values of explained variances of approximation and prognosis averaged 53.5 (r = 0.73) and 47% (r = 0.68), respectively. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Ecology Springer Journals

Estimation of the Relationship between Environment Heterogeneity and Distribution of Birds in Western Siberia

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2004 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Ecology
ISSN
1067-4136
eISSN
1608-3334
D.O.I.
10.1023/B:RUSE.0000040687.83719.9a
Publisher site
See Article on Publisher Site

Abstract

The results of censuses of 335 bird species and estimation of environmental factors in 1163 habitats located in undeveloped areas of the Western Siberian Plain were analyzed. The data for analysis were obtained from the databank of the Laboratory of Zoological Monitoring of the Institute of Animal Ecology and Systematics (Siberian Division, Russian Academy of Sciences). The material was collected in the first half of summer (between May 16 and July 15) in 1936–1938 and 1959–1999 (mostly beginning from 1967). A learning sample (863 variants) was used to approximate the abundance of each species with respect to each factor (including calculation by the principal-component method), and the approximation was integrated with respect to all these factors. The approximation coefficients were used to make a prognosis of species abundance based on the values of environmental factors in the control sample (300 variants). For the 50 most prevalent species, accounting for more than 80% of total bird abundance, the values of explained variances of approximation and prognosis averaged 53.5 (r = 0.73) and 47% (r = 0.68), respectively.

Journal

Russian Journal of EcologySpringer Journals

Published: Dec 27, 2004

References

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