نتایج جستجو برای: environmental degradation
تعداد نتایج: 510880 فیلتر نتایج به سال:
the main factors affecting environmental sensitivity to degradation are soil, vegetation, climate and management, through either their intrinsic characteristics or by their interaction on the landscape. different levels of degradation risks may be observed in response to particular combinations of the aforementioned factors. for instance, the combination of inappropriate management practices a...
it is fair to say that the man by including agricultural, industrial activities and exploitation-of natural resources in his survival agenda is the most responsible of all for environmental changes. fundamentall development in various parts of a watershed is unavoidable and sometimes necessary. in recent years, large number of environmentally improper developments including new town development...
The United Nations Research Institute for Social Development (UNRISD) is an autonomous agency engaging in multidisciplinary research on the social dimensions of contemporary problems affecting development. Its work is guided by the conviction that, for effective development policies to be formulated, an understanding of the social and political context is crucial. The Institute attempts to prov...
degradation model was introduced as an instrument of environmental impact assessment (eia) in iran. several methods are introduced in rapid environmental assessment, but none of them have evaluated landscape level. thus, the main objective of this research is to introduce a new spatial method for eia by using landscape metrics. a benefit of rapid assessment by using ecological landscape metrics...
This paper examines the resultant impact of environmental degradation on the temporal dynamics in between 2001 and 2006. Data for the study are from both primary and secondary sources. The primary source is the survey of selected settlements and heads of households in which a questi technique was employed in the selection of sample. This involves a systematic random selection of 785 heads of ho...
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