Author: J. E. AndersonPublisher:
ISBN:
Category :
Languages : en
Pages : 5
Book Description
Vegetation Development Over 25 Years Without Grazing on Sagebrush-dominated Rangeland in Southeastern Idaho
Author: J. E. AndersonBig Sagebrush
Author: Bruce Leigh WelchPublisher:
ISBN:
Category : Big sagebrush
Languages : en
Pages : 220
Book Description
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.
Countering Misinformation Concerning Big Sagebrush
Author: Bruce Leigh WelchPublisher:
ISBN:
Category : Big sagebrush
Languages : en
Pages : 38
Book Description
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.
General Technical Report RMRS
Author: Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 406
Book Description
General Technical Report INT.
Author: Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 288
Book Description
Proceedings, Shrubland Ecosystem Dynamics in a Changing Environment
Author: Jerry R. BarrowPublisher:
ISBN:
Category : Global environmental change
Languages : en
Pages : 288
Book Description
This proceedings contains 50 papers including an overview of shrubland ecosystem dynamics in a changing environment and several papers each on vegetation dynamics, management concerns and options, and plant ecophysiology as well as an account of a Jornada Basin field trip. Contributions emphasize the impact of changing environmental conditions on vegetative composition especially in the Jornada Basin and Chihuahuan Desert but also in other parts of western North America and the world.
Proceedings, Research and Management of Bitterbrush and Cliffrose in Western North America, Salt Lake City, Utah, April 13-15, 1982
Author: Proceedings, Land Classifications Based on Vegetation
Author: Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 524
Book Description
Author: 
Author: