Search
All content is free for everyone to browse, read and share. You’ll find journal articles and non-peer reviewed grey literature. Type keywords into the search box or Use the filtering options below to browse the content.
Showing 67 results
Temporal changes in semi-arid ecosystems can include transitions between alternative stable states, involving thresholds and multiple domains of attra...
Read moreClimate change and extreme events, such as drought, threaten ecosystems world-wide and in particular mountain ecosystems, where species often live at ...
Read moreUngulates have reached such high densities in some natural ecosystems that culling is frequently used to reduce their impacts on vegetation. However, ...
Read moreIn trials on native semiarid grassland at Cheyenne, Wyoming in 1986-87, the response of Agropyron smithii [Elymus smithii] and Bouteloua gracilis to s...
Read morePlague, introduced from Eurasia around 1900, today affects many animal species in the western part of North America, including black-tailed prairie do...
Read moreMitigating impacts of global change on biodiversity is a pressing goal for land managers, but understanding impacts is often limited by the spatial an...
Read moreTo test the hypothesis that ectoparasitic phytophagous nematodes are a major consumer of primary production in arid grasslands, carbofuran was applied...
Read moreRoadless areas on United States Department of Agriculture (USDA) Forest Service lands hold significant potential for the conservation of native biodiv...
Read moreMaps of averaged plant indicator values can supply spatially explicit information about environmental gradients and are therefore tools of broad relev...
Read morePopulation density, diet and breeding success of ravens (Corvus corax) and buzzards (Buteo buteo) was studied from 1975 to 1979 on enclosed farmland, ...
Read more