Spotted Owl Strix Occidentalis
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Spotted Owl Strix Occidentalis
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Author : Mark Zarn
language : en
Publisher:
Release Date : 1974
Spotted Owl Strix Occidentalis written by Mark Zarn and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Owls categories.
Spotted Owl Strix Occidentalus
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Author : Mark Zarn
language : en
Publisher:
Release Date : 1974
Spotted Owl Strix Occidentalus written by Mark Zarn and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Spotted owl categories.
The Spotted Owl
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Author : Alvin Silverstein
language : en
Publisher:
Release Date : 1994
The Spotted Owl written by Alvin Silverstein and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Juvenile Nonfiction categories.
Discusses the dilemma of the spotted owl, whose existence is threatened by the destruction of its habitat--the ancient, old-growth forests.
Status Report On The Spotted Owl Strix Occidentalis In Canada
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Author : E. C. Campbell
language : en
Publisher:
Release Date : 1990
Status Report On The Spotted Owl Strix Occidentalis In Canada written by E. C. Campbell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Spotted owl categories.
Northern Spotted Owl Strix Occidentalis Caurina
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Author :
language : en
Publisher:
Release Date : 1990
Northern Spotted Owl Strix Occidentalis Caurina written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with categories.
Population Dynamics Of The California Spotted Owl Strix Occidentalis Occidentalis
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Author : Alan B. Franklin
language : en
Publisher:
Release Date : 2004-01-01
Population Dynamics Of The California Spotted Owl Strix Occidentalis Occidentalis written by Alan B. Franklin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-01-01 with Bird populations categories.
Study analyzed adult survival, fecundity, and rates of population change.
Nest Structures And Habitats Of The Northern Spotted Owl In Three Ecological Subregions Of British Columbia
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Author :
language : en
Publisher:
Release Date : 2012
Nest Structures And Habitats Of The Northern Spotted Owl In Three Ecological Subregions Of British Columbia written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Northern spotted owl categories.
Fourteen nest sites of the endangered Northern Spotted Owl (Strix occidentalis caurina) in British Columbia were sampled in 2003 and 2004. Nests were located in three broad ecosystem types: the maritime (n = 1), submaritime (n = 6), and continental (n = 7) ecological subregions. Spotted Owls exhibited flexibility in their use of different types of nest structures across their broad ecological distribution. The objectives of the analyses are (1) to describe 14 of the 16 known nest structures, nest patches, and nest stands relative to the ecological subregions in which they occur; (2) to test for habitat selection within the nest stand (patch-level) and within the local landscape that the authors defined as the area containing the forest nest stand and forest stands greater than 140 years old adjacent to it (stand-level) relative to the ecological subregions; and (3) to evaluate how local British Columbia nesting habitat information was incorporated into interpreting "Superior" owl habitat for a revised spotted owl management plan.--Document.
Population Demography Of Northern Spotted Owls
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Author : Eric Forsman
language : en
Publisher: Univ of California Press
Release Date : 2011-07-21
Population Demography Of Northern Spotted Owls written by Eric Forsman and has been published by Univ of California Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-07-21 with Science categories.
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
Habitat Suitability Index Models
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Author : Stephen A. Laymon
language : en
Publisher:
Release Date : 1985
Habitat Suitability Index Models written by Stephen A. Laymon and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Habitat partitioning (Biology) categories.
An Annotated Bibliography Of Literature On The Spotted Owl
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Author : Robert Wayne Campbell
language : en
Publisher:
Release Date : 1984
An Annotated Bibliography Of Literature On The Spotted Owl written by Robert Wayne Campbell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Nature categories.
The purpose in compiling this bibliography which covers the period from 1859 - 1983 is to assemble a listing of the literature pertaining to the Spotted Owl, facilitating further studies on the ecology and management of the species.