H ow healthy are the earth's ecosystems? Will they continue to provide the food, water, shelter, and other necessities on which all life depends? These pressing questions have been receiving attention from two international collaborations: The Pilot Analysis of Global Ecosystems (PAGE) was completed in late 2000 and detailed in World Resources 2000–2001, the biennial report of the World Resourc...

For decades, the dynamics of tropical deforestation in sub-Saharan Africa (SSA) have defied easy explanation. The rates of deforestation have been lower than elsewhere in the tropics, and the driving forces evident in other places, government new land settlement schemes and industrialized agriculture, have largely been absent in SSA. The context and causes for African deforestation become clear...

In northern China, the recent eco-environment protective policies played a very important role in the ecological environment protection and rehabilitation. To better understand the quantitative effect of the prohibiting grazing policy on grassland desertification reversal process, in this paper, Yanchi County was selected as a case study to conduct a quantitative research on the effect of prohi...

The environmental crisis manifests in various ways such as: desertification, deforestation, marine and atmospheric pollution, racism, destruction of biodiversity so forth. One these, the has continued unabated. Many factors have caused loss. most serious these is climate change. This paper argues that to conserve there need combat Combating change requires more than knowledge scientific facts p...

risk assessment provides the possibility of planning and management to prevent and reduce the risk of desertification. the present study is aimed to assess the hazard and risk of desertification and to develop management programs in the semi-arid western regions of golestan province in iran. desertification rate was obtained using the iranian model of desertification potential assessment. since...

due to increasing importance of desertification challenges and its consequences the necessity of sustainabledevelopment achievement in arid and semi-arid regions is essential in order to avoid limited sources asting, increase the efficiency of controlling, reclamation and restoration projects of natural areas. based on the iterature review, it has been recognized that combating desertification ...

Ethiopia is an agrarian country with a notable topographic variety from 110m below sea level at Dalol Depression to 4620m above stage Mount Ras Dashin. Because of its variation and area within the tropics, has diverse weather situations ensuing numerous ecosystems. As end result, Is nicely endowed in natural resources. However, deforestation long gone for closing five decades. Forests which wer...

India faces a problem of land degradation due to many misuse practices, deforestation, water erosion, wind salinity, alkalinity, and flooding. The which is not used any type obstruction, whether it cultivable or non-cultivable known as wasteland. Management reclamation this wasteland imperative for meeting the growing needs ever-increasing population country. New technologies, afforestation, de...

Abstract Desertification is one of the fundamental problems that threaten many arid and semi-arid areas. The formulation of the United Nation Convention to Combat Desertification (UNCCD), adopted in Paris, 1994 and ratified in 1996, with the active participation of Egypt, gave emphasis on combating the major threats to sustainability of dry lands. Recently, different models were developed to fo...