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Ecology Of The Columbia Spotted Frog In Northeastern Oregon
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Book Synopsis Ecology of the Columbia Spotted Frog in Northeastern Oregon by : Evelyn L. Bull
Download or read book Ecology of the Columbia Spotted Frog in Northeastern Oregon written by Evelyn L. Bull and published by . This book was released on 2005 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Columbia spotted frog (Rana luteiventris) is one of several amphibians in the Western United States experiencing population declines. The breeding, postbreeding, and overwintering habitat and ecology of this species were investigated in 10 study sites in northeastern Oregon from 1997 through 2004. A variety of habitats with permanent water were used as breeding sites and as postbreeding habitat during the summer. Ice-covered ponds, warm springs, rivers, and seeps in forested habitats were used for overwintering. Diet consisted of a wide variety of mollusks and arthropods with beetles, ants, wasps, and flies composing more than 50 percent. Population size was as high as 135 females at one site, and ratios of males to females ranged from 1.0 to 2.8. The oldest male and female were 9.7 and 8.7 years old, respectively, based on skeletochronology. Males reached sexual maturity at 1 year 9 months after metamorphosis and most females at 2 years 9 months after metamorphosis. One female laid eggs in up to 3 consecutive years. Size (snout-vent length) was not a good indicator of age in frogs older than 2 years. Long-term monitoring is necessary to determine the effects of a variety of disturbance factors and chytrid fungus that could influence spotted frog populations in northeastern Oregon.
Book Synopsis Ecology of the Columbia Spotted Frog in Northeastern Oregon by :
Download or read book Ecology of the Columbia Spotted Frog in Northeastern Oregon written by and published by . This book was released on 2005 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis General Technical Report PNW-GTR by :
Download or read book General Technical Report PNW-GTR written by and published by . This book was released on 2005 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Year in Review for the Pacific Northwest Research Station by : Pacific Northwest Research Station (Portland, Or.)
Download or read book A Year in Review for the Pacific Northwest Research Station written by Pacific Northwest Research Station (Portland, Or.) and published by . This book was released on 1999 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Amphibian Declines by : Michael J. Lannoo
Download or read book Amphibian Declines written by Michael J. Lannoo and published by Univ of California Press. This book was released on 2005-06-15 with total page 1124 pages. Available in PDF, EPUB and Kindle. Book excerpt: Documents in comprehensive detail a major environmental crisis: rapidly declining amphibian populations and the disturbing developmental problems that are increasingly prevalent within many amphibian species.
Book Synopsis Wallowa-Whitman National Forest (N.F.), Travel Management Plan by :
Download or read book Wallowa-Whitman National Forest (N.F.), Travel Management Plan written by and published by . This book was released on 2012 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wallowa-Whitman National Forest (N.F.), Westside Rangeland Analysis by :
Download or read book Wallowa-Whitman National Forest (N.F.), Westside Rangeland Analysis written by and published by . This book was released on 2010 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wildlife Conservation in a Changing Climate by : Jedediah F. Brodie
Download or read book Wildlife Conservation in a Changing Climate written by Jedediah F. Brodie and published by University of Chicago Press. This book was released on 2013 with total page 413 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bringing together leaders in the fields of climate change ecology, wildlife population dynamics, and environmental policy, this title examines the impacts of climate change on populations of terrestrial vertebrates. It also includes chapters that assess the details of climate change ecology.
Book Synopsis Humboldt-Toiyabe National Forest (N.F.), Jarbidge Ranger District Rangeland Management Project by :
Download or read book Humboldt-Toiyabe National Forest (N.F.), Jarbidge Ranger District Rangeland Management Project written by and published by . This book was released on 2009 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Methods for Integrated Modeling of Landscape Change by :
Download or read book Methods for Integrated Modeling of Landscape Change written by and published by . This book was released on 2004 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Interior Northwest Landscape Analysis System (INLAS) links a number of resource, disturbance, and landscape simulations models to examine the interactions of vegetative succession, management, and disturbance with policy goals. The effects of natural disturbance like wildfire, herbivory, forest insects and diseases, as well as specific management actions are included. The outputs from simulations illustrate potential changes in aquatic conditions and terrestrial habitat, potential for wood utilization, and socioeconomic opportunities. The 14 chapters of this document outline the current state of knowledge in each of the areas covered by the INLAS project and describe the objectives and organization of the project. The project explores ways to integrate the effects of natural disturbances and management into planning and policy analyses; illustrate potential conflicts among current policies, natural distrubances, and management activities; and explore the policy, economics, and ecological constraints associated with the application of effective fuel treatments on midscale landscapes in the interior Northwest.
Book Synopsis Amphibians of Oregon, Washington and British Columbia by : Charlotte C. Corkran
Download or read book Amphibians of Oregon, Washington and British Columbia written by Charlotte C. Corkran and published by Lone Pine Publishing. This book was released on 2006 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: Amphibians are provided, including: habitat preferences, tips for finding them, planning amphibian surveys, guidelines for handling and measuring them, their activity through the seasons, photography tips, a table that compares confusing species, current status. This handy, informative book is sure to be invaluable to biologists and field technicians as well as to individuals on a family outing or school field trip. Book jacket.
Book Synopsis Management of the Columbia Spotted Frog and Lahontan Cutthroat Trout in Central and Northeast Nevada by : Craig Fee
Download or read book Management of the Columbia Spotted Frog and Lahontan Cutthroat Trout in Central and Northeast Nevada written by Craig Fee and published by . This book was released on 1999 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Frogs of the United States and Canada by : C. Kenneth Dodd Jr.
Download or read book Frogs of the United States and Canada written by C. Kenneth Dodd Jr. and published by JHU Press. This book was released on 2023-06-20 with total page 991 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The premiere reference book on the 108 species of frogs inhabiting North America north of Mexico. An unparalleled synthesis of the biology and behavior of all native and nonindigenous species, this two-volume, extensively referenced resource has been called the most important book ever published on North American anura. Color photographs and range maps accompany species accounts detailing information on etymology, nomenclature, identification, distribution, fossil record, systematics and geographic variation, life history and ecology, behavior, population and community biology, and conservation. This new edition of the text contains the following updates: Literature citations have been added from 2012 to 2021, now spanning from 1709 to 2021. Distribution maps have been updated, recording the decreased ranges due to declining amphibian populations. Photographs have been revised to ensure the highest digital quality. Anaxyrus williamsi and Lithobates kauffeldi, newly described species, have been included. An account is also included for Gastrophryne mazatlanensis, now recognized as occurring within the United States. Generic keys have been added. A brief section on N.A. frogs in history and art have been added. Nomenclature has been updated (Incilius for Ollotis). Now the only up-to-date and comprehensive resource for those trying to protect amphibians in the US and Canada, as well as for researchers and wildlife managers who study biodiversity"--
Book Synopsis 2002 Science Accomplishments of the Pacific Northwest Research Station by :
Download or read book 2002 Science Accomplishments of the Pacific Northwest Research Station written by and published by . This book was released on 2003 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Payette National Forest (N.F.), Meadows Slope Wildland Fire Protection Project by :
Download or read book Payette National Forest (N.F.), Meadows Slope Wildland Fire Protection Project written by and published by . This book was released on 2005 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Silvies Canyon Watershed Restoration Project by :
Download or read book Silvies Canyon Watershed Restoration Project written by and published by . This book was released on 2003 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wallowa-Whitman National Forest (N.F.), Joseph Creek Rangeland Analysis by :
Download or read book Wallowa-Whitman National Forest (N.F.), Joseph Creek Rangeland Analysis written by and published by . This book was released on 2005 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
