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In some ecosystems there is a positive feedback between forage quality and grazing intensity. This involves three components of plant tolerance to gra...
Read moreDiet selectivity by domestic herbivores controls plant community structure and dynamics and may induce rangeland degradation, particularly in drylands...
Read moreThe spatial distribution of two wild ungulates, impala (Aepyceros melampus) and kudu (Tragelaphus strepsiceros), and of domestic cattle, was monitored...
Read moreAccounting for 10%-30% of global soil organic carbon, grassland soils potentially present a large reservoir for storing atmospheric CO2. Livestock gra...
Read moreFemale ungulates are often selectively harvested according to their reproductive status. Because ungulate population growth depends heavily on adult f...
Read moreAlong two traverses near Mineral, Virginia (USA) (where soil metal concentrations vary greatly because of the natural weathering of sulphide mineral d...
Read moreGrowth characteristics and response to atrazine were studied in atrazine resistant (R) and susceptible (S) populations of Amaranthus retroflexus and A...
Read moreHarvesting of large mammals is usually not random, and directional selection has been identified as the main cause of rapid evolution. However, select...
Read moreThe effects of simulated urine deposition on the selectivity and intensity of cattle grazing on Agropyron smithii [Elymus smithii] tillers were studie...
Read moreCatches of Atlantic salmon Salmo salar L. decreased in the 1980s and 1990s over its entire area in the North Atlantic and smolts were often released f...
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