نتایج جستجو برای: technogenic desertification
تعداد نتایج: 2649 فیلتر نتایج به سال:
according to the unccd definition, “desertification” is land degradation in arid, semi-aridand dry sub-humid areas resulting from various factors, including climatic variations andhuman activities. it has been recognized as a major economic, social, and environmentalproblem in many countries of the world. the medalus methodology is a practical approachto assess the present status of desertifica...
combating desertification which is a serious threat for the environment and human welfare requires understanding complex issues of this phenomenon using evaluation, awareness of severity of it's processes and determination of it's factors. so here, after recognizing the characteristics of the region showing existence desertification, we assess its current status with emphasis on clima...
Especially over the last 100 years, our unbridled exploitation of the world’s natural resources has severely damaged its vegetation and has also resulted in worrying accumulations of in‐ dustrial wastes and greenhouse gases. Together, these have upset natural ecosystem balances and have created many environment and climatic problems, including rising temperatures, in‐ creasing desertification, ...
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