Northern Spotted Owls
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Population Demography of Northern Spotted Owls
Author | : Eric D. Forsman |
Publsiher | : Univ of California Press |
Total Pages | : 120 |
Release | : 2011-07-21 |
Genre | : Science |
ISBN | : 9780520270084 |
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Conclusions, and Recommendations P.75
Northern Spotted Owls
Author | : Patricia A. Fink Martin |
Publsiher | : Children's Press(CT) |
Total Pages | : 0 |
Release | : 2003-03 |
Genre | : Endangered species |
ISBN | : 0516274740 |
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Ideal for today's young investigative reader, each A True Book includes lively sidebars, a glossary and index, plus a comprehensive "To Find Out More" section listing books, organizations, and Internet sites. A staple of library collections since the 1950s, the new A True Book series is the definitive nonfiction series for elementary school readers.
An Alternate Recovery Strategy for the Northern Spotted Owl in British Columbia Canada
Author | : Andy Miller,Western Canada Wilderness Committee |
Publsiher | : Spotlight Poets |
Total Pages | : 62 |
Release | : 2004 |
Genre | : Northern spotted owl |
ISBN | : CORNELL:31924089446433 |
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The California Spotted Owl
Author | : Jared Verner |
Publsiher | : Unknown |
Total Pages | : 300 |
Release | : 1992 |
Genre | : Birds |
ISBN | : MINN:31951D02977350G |
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A Conservation Strategy for the Northern Spotted Owl
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 442 |
Release | : 1990 |
Genre | : Birds |
ISBN | : ERDC:35925002810015 |
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Of Spotted Owls Old Growth and New Policies
Author | : Bruce G. Marcot |
Publsiher | : Unknown |
Total Pages | : 40 |
Release | : 1997 |
Genre | : Forest management |
ISBN | : MINN:31951D028890834 |
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Population Demography of Northern Spotted Owls
Author | : Eric Forsman |
Publsiher | : Univ of California Press |
Total Pages | : 119 |
Release | : 2011-07-21 |
Genre | : Science |
ISBN | : 9780520950597 |
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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. Researchers: Steven H. Ackers Lawrence S. Andrews David R. Anderson Robert G. Anthony Brian L. Biswell Kenneth P. Burnham Peter C. Carlson Raymond J. Davis Lowell V. Diller Katie M. Dugger Eric D. Forsman Alan B. Franklin Elizabeth M. Glenn Scott A. Gremel Dale R. Herter J. Mark Higley James E. Hines Robert B. Horn Joseph B. Lint James D. Nichols Janice A. Reid James P. Schaberl Carl J. Schwarz Thomas J. Snetsinger Stan G. Sovern Gary C. White
Of Spotted Owls Old Growth and New Policies
Author | : Bruce G. Marcot,Jack Ward Thomas |
Publsiher | : Unknown |
Total Pages | : 32 |
Release | : 1997 |
Genre | : Endangered species |
ISBN | : PSU:000032783971 |
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