Birds of the Great Basin PDF Download
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Author: Fred A. Ryser
Publisher: Max C. Fleischmann Series in G
ISBN: 9780874170801
Category : Nature
Languages : en
Pages : 0
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Book Description
A must for all birdwatchers in the Great Basin.
Author: Fred A. Ryser
Publisher: Max C. Fleischmann Series in G
ISBN: 9780874170801
Category : Nature
Languages : en
Pages : 0
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Book Description
A must for all birdwatchers in the Great Basin.
Author: Dean E. Medin
Publisher:
ISBN:
Category : Bird populations
Languages : en
Pages : 8
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Book Description
Author:
Publisher:
ISBN:
Category : Birds
Languages : en
Pages : 240
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Book Description
Author: Dean E. Medin
Publisher:
ISBN:
Category : Bird populations
Languages : en
Pages : 28
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Book Description
Bird censuses were taken on 11 study plots along an elevational gradient ranging from 5,250 to 11,400 feet. Each plot represented a different vegetative type or zone: shadscale, shadscale-Wyoming big sagebrush, Wyoming big sagebrush, Wyoming big sagebrush-pinyon/juniper, pinyon/juniper, pinyon/juniper-mountain big sagebrush, mountain big sagebrush, mountain big sagebrush-mixed conifer, mixed conifer, mixed conifer-alpine, and alpine. Eighty-nine bird species were observed. The total number of birds and bird species followed a skewed bell-shaped distribution. Some birds were quite narrow in their choice of vegetative zones while others showed very little selectivity. Both total number of individual birds and bird species appeared to reach highest values in study plots with a substantial component of mountain big sagebrush.
Author:
Publisher:
ISBN:
Category : Bird populations
Languages : en
Pages : 16
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Book Description
Author: Ted Floyd
Publisher:
ISBN: 9780874176957
Category : Nature
Languages : en
Pages : 0
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Book Description
A documentation of the first-ever statewide survey of breeding birds, undertaken between 1997 and 2000
Author: Donald Grayson
Publisher: Univ of California Press
ISBN: 0520267478
Category : History
Languages : en
Pages : 432
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Book Description
"The Great Basin, centering on Nevada and including substantial parts of California, Oregon, and Utah, gets its name from the fact that none of its rivers or streams flow to the sea. This book synthesizes the past 25,000 years of the natural history of this vast region. It explores the extinct animals that lived in the Great Basin during the Ice Age and recounts the rise and fall of the massive Ice Age lakes that existed here. It explains why trees once grew 13' beneath what is now the surface of Lake Tahoe, explores the nearly two dozen Great Basin mountain ranges that once held substantial glaciers, and tells the remarkable story of how pinyon pine came to cover some 17,000,000 acres of the Great Basin in the relatively recent past. These discussions culminate with the impressive history of the prehistoric people of the Great Basin, a history that shows how human societies dealt with nearly 13,000 years of climate change on this often-challenging landscape"--Provided by publisher.
Author: Jules Evens
Publisher: Univ of California Press
ISBN: 0520242548
Category : Nature
Languages : en
Pages : 395
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Book Description
An introduction to the behavior and natural history of California's birds, organized by their habitats.
Author: W. Richard J. Dean
Publisher: Springer Science & Business Media
ISBN: 9783540403937
Category : Nature
Languages : en
Pages : 208
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Book Description
There are two basic strategies for coping with life in the desert. The first involves withstanding the extreme conditions using behavioural or physiological tactics. The second strategy is to be a migrant and to opportunistically or seasonally move to where the necessary resources are. Nomadism, i.e. the opportunistic and irregular movements from resource-poor to resource-rich patches, is a tactic that birds, with their mobility, can use, and it is explored by W.R.J. Dean in this volume. For many bird species, such movements between habitats or across landscapes to find patches of resources are essential for their continued existence. The relationship between climate, habitat and movements in the avifauna of arid and semi-arid regions and the advantages and disadvantages of a seasonally migratory or opportunistically nomadic lifestyle are elucidated.
Author:
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ISBN:
Category :
Languages : en
Pages : 214
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Book Description
