نتایج جستجو برای: rangelands
تعداد نتایج: 2374 فیلتر نتایج به سال:
The main objective of this study was to assess factors affecting early entrance and later exit of herders from summer rangelands. The study population consisted of heads of Nomads in Kouhdasht region, Lorestan province, Iran. According to Cochran formula among 1038 Nomadic families, 310 families were selected with stratified random sampling in 2015. In order to assess validity, expert's opinion...
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 ...
Rangelands provide multiple ecosystem services of high value to society, both locally and globally, but are threatened by degradation processes, the impact climate change land-use change, affecting their conservation. Despite this, preservation rangelands has received little attention from governmental non-governmental organizations in Argentina. This article aims propose some concepts principl...
Degradation characterized by depleted vegetation cover is a serious environmental problem in African rangelands. It poses threat to millions of pastoralists and agropastoralists who depend on livestock as source livelihood. Consequently, there has been growing global interest consolidate efforts restore degraded ecosystems. For example, the UN decade Ecosystem Restoration initiative aims at uni...
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