wormwood sagebrush (artemisia sieberi besser) is one of the most widely distributed shrub species in iran and turkistan steppes, its establishment on dry lands has generally been proven difficult because of low seedling vigor, inability to compete with herbaceous species, poor seed quality, and altered edaphic conditions. in order to evaluation of planting methods and seedling establishment, se...

the rangelands, as one of the largest dynamic biomes in the world,have very capabilities. regulation of greenhouse gases in the earth's atmosphere,particularly carbon dioxide as the main greenhouse gases, is one of these cases.the attention to rangeland, as cheep and reachable resources to sequestrate thecarbon dioxide, increases after the industrial revolution. rangelands comprise thelarge par...

The relationship between plant species and climatic factors has always been a fundamental issue in ecology, the use of multivariate statistical methods can be effective revealing distribution. Therefore, this study, affecting distribution Artemisia sieberi aucheri, widely distributed Iran, were investigated. For purpose, 117 used, to reduce number determine most important ones, factor analysis ...