Inventory and Prototype Monitoring of Natural Resources in Selected National Park System Units 1998-1999 PDF Download
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Author:
Publisher:
ISBN:
Category : Environmental monitoring
Languages : en
Pages : 76
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Author:
Publisher:
ISBN:
Category : Environmental monitoring
Languages : en
Pages : 76
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Book Description
Author: Iowa Cooperative Fish and Wildlife Research Unit
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 500
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Author:
Publisher:
ISBN:
Category : Conservation of natural resources
Languages : en
Pages : 80
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Author: Iowa Cooperative Fish and Wildlife Research Unit
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 96
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Book Description
Author: Jennifer Lyn Graetz
Publisher:
ISBN:
Category :
Languages : en
Pages : 278
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Book Description
Author: Merrill J. Mattes
Publisher: Government Printing Office
ISBN: 9780912627571
Category : History
Languages : en
Pages : 72
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Book Description
Describes the early exploration of Scotts Bluff by fur traders and the events that led to the establishment of the Scotts Bluff National Monument in Nebraska. Also includes a guide to the area and suggested readings.
Author: David J. Hafner
Publisher: IUCN
ISBN: 9782831704630
Category : Nature
Languages : en
Pages : 188
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Book Description
The first comprehensive treatment of North American rodents of conservation concern. This action plan summarizes the rodent fauna of North America and provides available information on every rodent taxon that has been considered to be of conservation concern by state, provincial and private conservation agencies and regional experts. It is hoped that the survey provided in this action plan will serve as a common ground for all these parties in drawing up conservation strategies for rodents.
Author:
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Category : Oregon National Historic Trail
Languages : en
Pages : 292
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Author: Fritz L. Knopf
Publisher: Springer Science & Business Media
ISBN: 1475727038
Category : Science
Languages : en
Pages : 329
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Book Description
The frontier images of America embrace endless horizons, majestic herds of native ungulates, and romanticized life-styles of nomadie peoples. The images were mere reflections of vertebrates living in harmony in an ecosystem driven by the unpre dictable local and regional effects of drought, frre, and grazing. Those effects, often referred to as ecological "disturbanees," are rather the driving forces on which species depended to create the spatial and temporal heterogeneity that favored ecological prerequisites for survival. Alandscape viewed by European descendants as monotony interrupted only by extremes in weather and commonly referred to as the "Great American Desert," this country was to be rushed through and cursed, a barrier that hindered access to the deep soils of the Oregon country, the rich minerals of California and Colorado, and the religious freedom sought in Utah. Those who stayed (for lack of resources or stamina) spent a century trying to moderate the ecological dynamics of Great Plains prairies by suppressing fires, planting trees and exotic grasses, poisoning rodents, diverting waters, and homogenizing the dynamies of grazing with endless fences-all creating bound an otherwise boundless vista. aries in Historically, travelers and settlers referred to the area of tallgrasses along the western edge of the deciduous forest and extending midway across Kansas as the "True Prairie. " The grasses thlnned and became shorter to the west, an area known then as the Great Plains.
Author: United States. National Park Service. Office of Strategic Planning
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 6
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