What is cheatgrass and how is it harmful? | U.S. Geological Survey
Cheatgrass (Bromus tectorum) originated in Europe or Eurasia and was introduced to the U.S. in the mid- to late-1800s as a contaminant in seed and straw. It germinates in the fall and early spring, and grows rapidly and in high numbers, making it highly competitive with native species.
Bromus tectorum - Wikipedia
Bromus tectorum, known as downy brome, drooping brome [1] or cheatgrass, is a winter annual grass native to Europe, southwestern Asia, and northern Africa, but has become invasive in many other areas.
Why Is Cheatgrass Bad? - Working Lands For Wildlife
2018年1月30日 · Cheatgrass is now found in at least 49 states, although it’s mainly a problem in the semi-arid Great Basin — which stretches across portions of Utah, Nevada, Idaho, Oregon, and California — since its adapted to thrive in areas with wet winters and hot, dry summers.
Cheatgrass and Medusahead | U.S. Geological Survey - USGS.gov
2019年5月23日 · Cheatgrass (Bromus tectorum) is the dominant exotic annual grass species on semi-arid rangelands of the western hemisphere. Photo by Justin L. Welty, USGS. Cheatgrass originated in Europe or Eurasia and medusahead in the Mediterranean region. Both were introduced to the U.S. in the mid- to late-1800's as a contaminant in seed and straw.
tegically manage cheatgrass in pastures, wildlands, and rangelands. Beginning at the initial question—Do I have cheatgrass?—this decision-support tool walks a manager through the steps described in this handbook. Long-term commitment to vegetation monitoring is a cornerstone, so managers can adequately determine progress
A Homeowner’s Guide to Cheatgrass - University of Nevada, Reno
Cheatgrass, also known as downy brome and bronco grass, is an annual plant native to Europe and Asia. Cheatgrass has a serious environmental impact on Nevada. It dries out very quickly, becoming extremely flammable.
Invasive Plants We Study: Cheatgrass | U.S. Geological Survey - USGS.gov
2022年10月2日 · Cheatgrass, an invasive annual grass, reduces ecosystem productivity, negatively impacts biodiversity, and is increasingly problematic in higher elevation ecosystems with climate change.
Cheatgrass Threatens Wildlife, Western Lands, and Rural …
2021年11月16日 · An invasive annual grass that has rapidly spread across 100 million acres of grassland and sagebrush areas, cheatgrass degrades wildlife habitat, diminishes crop production and cattle forage, accelerates wildfires, and reduces the ability of grasslands to effectively sequester carbon.
Cheatgrass - U.S. National Park Service
2015年9月15日 · Cheatgrass (Bromus tectorum) has drastically altered landscapes in Canyonlands and throughout the American west. This annual grass arrived in shipments of European wheat during the late 1800s, and quickly established itself in many areas. Cheatgrass now covers over 100 million acres.
Downy Brome | National Invasive Species Information Center
Cheatgrass, also known as downy brome, is an invasive annual that dominates more than 100 million acres of the Great Basin in the western U.S. Germinating each winter, cheatgrass grows furiously in spring and dies in early summer, leaving the range carpeted in golden dry tinder.