نتایج جستجو برای: land degradation

تعداد نتایج: 264605  

Journal: :desert 0
a. salehpour jam soil conservation and watershed management research institute, iran m. karimpour reihan geo science research dept., international desert research center (idrc), university of tehran

investigation of desertification trend requires an understanding of phenomena that create changes singly or action and reaction together in an area that these changes were led to the desertification and land degradation. in the investigation of pedological criterion affecting on land degradation in alluvial fans, first, the map of units was created by overlaying and crossing maps of slope class...

Journal: :مرتع و آبخیزداری 0
سید هدایت پروری اصل دانش آموخته کارشناسی ارشد رشته بیابان¬زدایی، دانشکده منابع طبیعی، دانشگاه زابل، ایران احمد پهلوانروی استادیار، دانشکده منابع طبیعی، دانشگاه زابل، ایران علیرضا مقدم نیا استادیار، دانشکده منابع طبیعی، دانشگاه زابل، ایران

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...

Journal: :Journal of environmental quality 2015
Bořivoj Šarapatka Marek Bednář

Many attempts have been made worldwide to develop methods to identify the areas most threatened by soil degradation. Some soils in afflicted areas may be irreversibly degraded and thus have very little resilience (the ability to restore themselves). For the purpose of assessing the current state of soil degradation in the Czech Republic (CZ) we have developed an overall indicator of land vulner...

Journal: :South African Journal of Botany 2003

2003
Markus Erhard Holger Böken Frank Glante

For the precaution against physical soil degradation in managed soils, accurate planning data about anthropogenic impacts and for policy making applicable indicators to describe the driving force and state are required. To assess the potential erosion risk, accurate information is available, but to assess the actual erosion risk it is necessary to regard current land-use and cultivation data fo...

Journal: :Frontiers in Environmental Science 2023

EDITORIAL article Front. Environ. Sci., 16 February 2023Sec. Land Use Dynamics Volume 11 - 2023 | https://doi.org/10.3389/fenvs.2023.1137768

Journal: Desert 2016
A. Salehpour Jam, M. Karimpour Reihan

Investigation of desertification trend requires an understanding of phenomena that create changes singly or action and reaction together in an area that these changes were led to the desertification and land degradation. In the investigation of pedological criterion affecting on land degradation in Alluvial Fans, first, the map of units was created by overlaying and crossing maps of slope class...

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