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Displaying 41 - 50 of 849
Boigné, Bennett, Wang, Ihme
This paper examines how X-ray Computed Tomography (XCT) can provide detailed and quantitative in-situ measurements in bench-scale fire experiments. The method is illustrated by employing a tabletop X-ray system to image the combustion of different…
Year: 2021
Type: Document
McMahon, Urza, Brown, Phelan, Chambers
Aim
Non-native invasive plants impact ecosystems globally, and the distributions of many species are expanding. The current and potential distributions of many invaders have not been characterized at the broad scales needed for effective management…
Year: 2021
Type: Document
Canelles, Aquilué, James, Lawler, Brotons
Context
Forest landscapes worldwide are shaped by abiotic drivers such as fire, windstorms, and drought, but also by biotic drivers like insect pests and pathogens. Although the effects of such drivers on forest dynamics have been studied…
Year: 2021
Type: Document
Remington, Deibert, Hanser, Davis, Robb, Welty
The sagebrush (Artemisia spp.) biome, its wildlife, and the services and benefits it provides people and local communities are at risk. Development in the sagebrush biome, for many purposes, has resulted in multiple and often cumulative negative…
Year: 2021
Type: Document
This report assesses recent forest disturbance in the Western United States and discusses implications for sustainability. Individual chapters focus on fire, drought, insects, disease, invasive plants, and socioeconomic impacts. Disturbance data…
Year: 2021
Type: Document
Applestein, Simler-Williamson, Germino
The Enemy Release Hypothesis proposes that invasion by exotic plant species is driven by their release from natural enemies (i.e. herbivores and pathogens) in their introduced ranges. However, in many cases, natural enemies, which may be introduced…
Year: 2021
Type: Document
Ford, Reeves, Baldwin
Rangeland managers promoting sustainable use of semiarid ecosystems in the Southwestern U.S. face numerous complex challenges, including invasions by non-native species, the expansion of woody vegetation, altered fire regimes, and drought.
Year: 2021
Type: Document
Gaskin, Espeland, Johnson, Larson, Mangold, McGee, Milner, Paudel, Pearson, Perkins, Prosser, Runyon, Sing, Sylvain, Symstad, Tekiela
The Great Plains of North America encompass approximately 1,300,000 km2 of land from Texas to Saskatchewan. The integrity of these lands is under continual assault by long-established and newly-arrived invasive plant species, which can threaten…
Year: 2021
Type: Document
Tsinnajinnie, Frisbee, Wilson
Warming temperatures, earlier snowmelt, and the elongation of dry seasons are contributing to the propensity for more frequent and severe wildfires in semiarid, mountainous watersheds, which act as source watersheds for communities, especially in…
Year: 2021
Type: Document
Dowhower, Teague, Steigman, Freiheit
This study compares degraded old-field grass-dominated pasture response to over-seeding with native tallgrass prairie species with the management practices of burning, mowing and a no-treatment control. Treatments were randomly allocated in a 2 × 3…
Year: 2021
Type: Document