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Individualistic Responses of Bird Species to Environmental Change by Mark L. Taper; Katrin Böhning-Gaese; James H. Brown is a Environmental Science article available to read on EtoBox.

What is Individualistic Responses of Bird Species to Environmental Change about?

We investigated how the population dynamics of the same bird species varied in different environments, and how the population dynamics of different species varied in the same environment, by calculating long-term population trends for 59 insectivorous songbird species in 22 regions or strata of eastern and central North America using data from the North American Breeding Bird Survey. Of the 47 species that occurred in more than one region 77% increased in some regions and declined in others. Of the 22 regions 91% had some species that increased and others that decreased. There were only slightly more significant correlations between strata in species trends and between species for stratum trends than would be expected by chance. Because of nonlinearities in the data, the actual patterns of population fluctuations of the same species in different regions and of different species in the same region were even more heterogeneous than suggested by our analyses of linear trends. We conclude that these bird species respond to spatial and temporal variation in their environment in a very individualistic fashion. These individualistic responses show that the extrapolation of population tren

Who reads Individualistic Responses of Bird Species to Environmental Change?

Author

Mark L. Taper; Katrin Böhning-Gaese; James H. Brown

Publisher

Springer-Verlag; Springer Verlag; Springer Science and Business Media LLC (ISSN 0029-8549)

Published

1995

Language

EN

Field

Environmental Science (Physical Sciences)