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Bird Populations Of Aspen Forests In Western North America
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Book Synopsis Bird Populations of Aspen Forests in Western North America by : J. A. Douglas Flack
Download or read book Bird Populations of Aspen Forests in Western North America written by J. A. Douglas Flack and published by American Ornithologists Union. This book was released on 1976 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bird Populations of Aspen Forests in Western North America by : J. A. Douglas Flack
Download or read book Bird Populations of Aspen Forests in Western North America written by J. A. Douglas Flack and published by American Ornithologists Union. This book was released on 1976 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Summer Birds and Mammals of Aspen-conifer Forests in West-central Colorado by : Virgil E. Scott
Download or read book Summer Birds and Mammals of Aspen-conifer Forests in West-central Colorado written by Virgil E. Scott and published by . This book was released on 1988 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Songbird Populations and Clearcut Harvesting of Aspen in Northern Utah by : Norbert V. DeByle
Download or read book Songbird Populations and Clearcut Harvesting of Aspen in Northern Utah written by Norbert V. DeByle and published by . This book was released on 1981 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Relations of Structure in Aspen Forests to Bird Populations by : Douglas Flack
Download or read book Relations of Structure in Aspen Forests to Bird Populations written by Douglas Flack and published by . This book was released on 1967 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Summer Birds and Mammals of Aspen-conifer Forests in West-central Colorado by : Virgil E. Scott
Download or read book Summer Birds and Mammals of Aspen-conifer Forests in West-central Colorado written by Virgil E. Scott and published by . This book was released on 1988 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Habitat Influences on Avian Diversity and Reproductive Success in Western Aspen Forests by : Amy B. Johnson
Download or read book Habitat Influences on Avian Diversity and Reproductive Success in Western Aspen Forests written by Amy B. Johnson and published by . This book was released on 2010 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aspen forests hold a high diversity of organisms, but these forests are declining in western North America. A major correlate of aspen decline is conifer encroachment, where conifer trees gradually replace aspen trees through competition for space and light. Conifer encroachment on an aspen stand may increase bird diversity by increasing vegetation complexity. The presence of conifers may also affect the reproductive success of birds through changes in vegetation density and structural complexity around nest sites or the addition of conifer-dependent nest predators. We examined the effects of conifer encroachment on the diversity and reproductive success of birds in fourteen aspen stands that differed in the extent of conifer encroachment in Montana. Bird species richness increased with aspen stand size, but was not correlated with conifer or aspen tree density within a stand. Nest predator richness and abundance also increased with aspen stand size, and also increased with conifer tree density. Despite the increase in nest predator abundance and richness with conifer density, nest predation rates were not related to conifer density. Increased vegetation complexity apparently offset increased predator abundance with increased conifer density. Nest predation also generally was lower at nest sites with greater density of aspen trees around a nest, but varied among species. Based on my results, aspen stand size and aspen tree density within a stand affected bird diversity and reproductive success, which emphasizes the value of increasing aspen habitat quality and stand size in the landscape.
Book Synopsis Response of Breeding Birds to Commercial Clearcutting of Aspen in Southwestern Colorado by : Virgil E. Scott
Download or read book Response of Breeding Birds to Commercial Clearcutting of Aspen in Southwestern Colorado written by Virgil E. Scott and published by . This book was released on 1987 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research Note RM written by and published by . This book was released on 1988 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research Paper RM. written by and published by . This book was released on 1993 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Draft Biological Diversity Assessment by :
Download or read book Draft Biological Diversity Assessment written by and published by . This book was released on 1990 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Breeding Birds in Uncut Aspen and 6- to 10-year-old Clearcuts in Southwestern Colorado by : Virgil E. Scott
Download or read book Breeding Birds in Uncut Aspen and 6- to 10-year-old Clearcuts in Southwestern Colorado written by Virgil E. Scott and published by . This book was released on 1988 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wildlife Habitats in Managed Rangelands by : Chris Maser
Download or read book Wildlife Habitats in Managed Rangelands written by Chris Maser and published by . This book was released on 1984 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book IPASS written by Douglas Olson and published by . This book was released on 1984 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wyoming Wildlife: A Natural History by : Paul Johnsgard
Download or read book Wyoming Wildlife: A Natural History written by Paul Johnsgard and published by Lulu.com. This book was released on 2019-06-30 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book surveys Wyoming's mammal, bird, reptile, and amphibian faunas. In addition to introducing the state's geography, geology, climate, and major ecosystems, it provides 65 biological profiles of 72 mammal species, 195 profiles of 196 birds, 9 profiles of 12 reptiles, and 6 profiles of 9 amphibians. There are also species lists of Wyoming's 117 mammals, 445 birds, 22 reptiles, and 12 amphibians. Also included are descriptions of nearly 50 national and state properties, including parks, forests, preserves, and other public-access natural areas in Wyoming. The book includes a text of more than 150,000 words, nearly 700 references, a glossary of 115 biological terms, nearly 50 maps and line drawings by the author, and 33 color photographs by Thomas D. Mangelsen.
Book Synopsis Ecological Effects of the Lawn Lake Flood of 1982, Rocky Mountain National Park by :
Download or read book Ecological Effects of the Lawn Lake Flood of 1982, Rocky Mountain National Park written by and published by . This book was released on 1993 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Forest Habitat for Birds of the Northeast by : Richard M. DeGraaf
Download or read book Forest Habitat for Birds of the Northeast written by Richard M. DeGraaf and published by . This book was released on 1980 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt:
