نتایج جستجو برای: combating desertification
تعداد نتایج: 8532 فیلتر نتایج به سال:
a simmering crisis in the nigerian agriculture today involves labour and the crisis manifests itself in the degree of labour availability, labour demand and labour productivity. one of the major products of this crisis is the increased participation of children in paid, non-familiar agricultural jobs. agriculture ranks as one of the three most dangerous work activities, along with mining and co...
Today, degradation of soil and water resources are the most important factors of desertification in arid and semi-arid areas as a result of mismanagement and improper human behavior. Enforcement measures in relation to desertification control have to be based on knowledge of the current state of desertification risk and its severity. In the present study, to evaluate the risk and severity of de...
Nowadays, desertification is one of the ecological crises of the world. To control Desertification, having a clear understanding of its factors and processes is necessary. KALMAND Protected Area region of Yazd with area of 71269.37 Hectares’ was considered to evaluate current Condition of desertification using ICD. Iranian Classification of Desertification (ICD) was presented by M. Ekhtes...
desertification is the consequence of series of processes in which climate change and human activities are more important factors than others. arid and semi-arid areas have occupied most parts of iran. sistan region is one of arid areas of iran where wind erosion is an important factor of land degradation and soil deterioration. for classification of desertification intensity, several methods h...
sistan plain is affected by desertification and this phenomenon has serious impacts on roads and socio- economic activities of local people of this region. the main purpose of this study is estimating the current and potential desertification intensity of niatak region of sistan based on micd method. that, through it the working units of this region were prepared as the base map for evaluating ...
Urbanization lead a wide variety of difficulties that changes in the pattern of land use is the major consequence. One of the outcome of land use changes is ecological and biological capacity reduction or desertification. In this study, for determine of desertification due to urban development within the city of Mashhad, was used Iranian mothod (IMDPA). The land use map of this area was prepare...
Now days desertification of lands in phenomelal that threaded different region of world specially arid, semi arid and semi-arid humid. In this research whit using of two Irainian new methods: IMDPA that is based on geometric sum and MICD that is based on arithmetic sum. Desertification capacity of Lar city area during recent half century (from 1995 to 2005) has considered with emphasis on facto...
Since its origins, the concept of desertification has been shrouded in controversy and ambiguity. As a result, no single definition term acceptable; there is agreement on extent or seriousness; solutions proposed are often disparate counterproductive. This essay suggests all this due to being permanent ‘prisoner history’, historical process led by United Nations Convention Desertification (UNCC...
This paper provides an overview of linkages between the phenomena of land degradation and desertification and food insecurity. It reviews the basic concepts linked to food security and records main coping strategies, policy challenges and fields or action. It describes the approach taken by the United Nations Convention to Combat Desertification (one of the three multilateral environmental agre...
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