PURPOSE: Yellow starthistle is one of most problematic invasive species in grass and rangelands in the western United States. It has expanded its distribution since the 1950’s threatening native species’ diversity and reducing the utility of rangelands for livestock. Control of yellow starthistle has relied heavily on the use of picloram and clopyralid. Although these herbicides have been widel...

In this review, the author discusses how pastoralism, and its many constituent components, is increasingly being recognised as in tune with the changing political and ecological nature of rangelands. He describes ways in which the literature reflects this changing attitude, outlines how rangelands respond to changes in climate and explores the evolving use of livestock resources. In addition, h...

Analysis of Barriers and Challenges Rangeland Management (Case Study: Rangelands Kermanshah province)

Land use planning means managing our land and resources and it focuses on the functions of ecosystems. The main purpose of this study is to determine the places and sites with necessary capabilities for ecotourism, environmental conservation, agricultural activities, range management, forestry, afforestation, aquaculture, city planning and industrial development in the studied area. This resear...