Population Demography of Northern Spotted Owls

Language: English

Published by Cooper Ornithological Society, 2011

0520270088 / 9780520270084

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Cooper Ornithological Society: Studies in Avian Biology Number 40. The Northern Spotted Owl, a threatened species that occurs in coniferous forests in the western United States, has become a well-known environmental symbol. But how is the owl actually faring? This book contains the results of a long-term effort by a large group of leading researchers to document population trends of the Northern Spotted Owl. The study was conducted on 11 areas in the Pacific Northwest from 1985 to 2008, and its objectives were both to evaluate population trends and to assess relationships between reproductive rates and recruitment of owls and covariates such as weather, habitat, and the invasion of a closely related species, the Barred Owl. Among other findings, the study shows that fecundity was declining in five populations, stable in three, and increasing in three areas. Annual apparent survival rates of adults were declining in 10 out of 11 areas. This broad, synthetic work provides the most complete and up-to-date picture of the population status of this inconspicuous forest owl, which is at the center of the complex and often volatile debate regarding the management of forest lands in the western United States.…

Title
Population Demography of Northern Spotted Owls
Author
FORSMAN, Eric D.
Publisher
Cooper Ornithological Society
Publication year
2011
Condition
New
Binding
Hardcover
Language
English
ISBN 10
0520270088
ISBN 13
9780520270084
Item weight
18 ounces
Dimensions
7x0x10

Darkleaf Books

Arrington, VA, U.S.A.

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AbeBooks seller since June 30, 2025

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