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Big Sagebrush

Bruce Leigh Welch
Big Sagebrush by Bruce Leigh Welch PDF

Author : Bruce Leigh Welch
Publisher :
Page : 220 pages
File Size : 26,3 MB
Release : 2005
Category : Big sagebrush
ISBN :

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Pioneers traveling along the Oregon Trail from western Nebraska, through Wyoming and southern Idaho and into eastern Oregon, referred to their travel as an 800 mile journey through a sea of sagebrush, mainly big sagebrush ( Artemisia tridentata). Today approximately 50 percent of the sagebrush sea has given way to agriculture, cities and towns, and other human developments. What remains is further fragmented by range management practices, creeping expansion of woodlands, alien weed species, and the historic view that big sagebrush is a worthless plant. Two ideas are promoted in this report: (1) big sagebrush is a nursing mother to a host of organisms that range from microscopic fungi to large mammals, and (2) many range management practices applied to big sagebrush ecosystems are not science based.

Hobble Creek

Hobble Creek by PDF

Author :
Publisher :
Page : 12 pages
File Size : 46,22 MB
Release : 1986
Category : Artemisia
ISBN :

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Inanimate Life

George M. Briggs
Inanimate Life by George M. Briggs PDF

Author : George M. Briggs
Publisher :
Page : pages
File Size : 19,10 MB
Release : 2021-07-16
Category :
ISBN : 9781942341826

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Countering Misinformation Concerning Big Sagebrush

Bruce Leigh Welch
Countering Misinformation Concerning Big Sagebrush by Bruce Leigh Welch PDF

Author : Bruce Leigh Welch
Publisher :
Page : 38 pages
File Size : 38,32 MB
Release : 2003
Category : Big sagebrush
ISBN :

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This paper examines the scientific merits of eight axioms of range or vegetative management pertaining to big sagebrush. These axioms are: (1) Wyoming big sagebrush (Artemisia tridentata ssp.wyomingensis) does not naturally exceed 10 percent canopy cover and mountain big sagebrush (A.t.ssp.vaseyana) does not naturally exceed 20 percent canopy cover; (2) As big sagebrush canopy cover increases over 12 to15 percent, bare ground increases and perennial grass cover decreases; (3) Removing, controlling, or killing big sagebrush will results in a two or three or more fold increase in perennial grass production; (4) Nothing eats it; (5) Biodiversity increases with removing, controlling, thinning, or killing of big sagebrush; (6) Mountain big sagebrush evolved in an environment with a mean fire interval of 20 to 30 years; (7) Big sagebrush is an agent of allelopathy; and (8) Big sagebrush is a highly competitive, dominating, suppressive plant species.