نتایج جستجو برای: de desertification
تعداد نتایج: 1533589 فیلتر نتایج به سال:
in many countries, studies to determine the severity of desertification and providing land plans to implement desertification. one of the models is modified medalus or iranian model (imdpa), has been used in present research in order to investigate desertification situation in the tashk region of fars province. in this research, the modified imdpa model used with emphasis on the water, soil and...
today one of the ecological crisis is the phenomenon of desertification that affecting the world. desertification is more related to social and anthropogenic issues than natural causes and it becomes more important over the time. monitoringis the systematic collection and analysis of information as a project progresses. in this study, using ahp method and gis techniques has been to assess deser...
dans ce mémoire, nous avons concentré notre étude sur la notion d’altérité telle que sartre et beauvoir la définissent à travers leurs essais et plus spécialement dans l’invitée et huis clos. etant donné le rapport étroit qui existe entre les notions existentialistes, la connaissance préliminaire de leur définition, bien que concise, s’est avérée nécessaire avant d’entrer dans notre analyse. c’...
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 ...
marguerite yourcenar, née marguerite antoinette jeanne marie ghislaine cleenewerck de crayencour le 8 juin 1903 à bruxelles et morte le 17 décembre 1987 à bangore, dans letat du maine (etats-unis), est une écrivaine française, naturalisée américaine, auteur de romans et de nouvelles « humanistes », ainsi que de récits autobiographiques. elle fut aussi poète, traductrice, essayiste et critique. ...
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...
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