Human-induced environmental degradation now threatens the ecosystems and the natural resource base in many of the world's dryland areas and more than 900 million people in 100 countries are affected, to a greater or lesser degree. Whether or not degradation will prove catastrophic in the future depends upon the willingness and ability of countries to adopt environmentally sustainable development practices that can help end the vicious cycle of poverty...
انظر المزيد
تفاصيل
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1997/5/31
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ورقة عمل إدارية
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18262
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1
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1
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2010/7/01
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Natural habitats and ecosystems management in drylands : an overview
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drought