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Scarification And Cultural Practice Of Four Lupine Species Native To The Great Basin, Covy Dennis Jones
Scarification And Cultural Practice Of Four Lupine Species Native To The Great Basin, Covy Dennis Jones
Theses and Dissertations
The Great Basin is North America's largest desert, encompassing 135 million acres. Grazing and other anthropogenic activities in the Great Basin have put heavy demands on the landscape over the last 150 years. Heavily grazed areas lack diversity which allows the spread of exotic weed species. Cheatgrass (Bromus tectorum L [Poaceae]) has invaded and shortened fire frequency intervals from historic 30—100 years to as few as three to five years. Post-fire reseeding of native species is requisite for restoration of highly invaded ecosystems thus, preventing complete conversion to exotic weeds. Most native shrubs and grasses are available for restoration …