lada method performance evaluation on soil degradation assessment in the east of esfahan

نویسندگان

بهزاد رایگانی

استادیار دانشکدة علوم محیط زیست و منابع طبیعی، دانشگاه محیط زیست غلامرضا زهتابیان

استاد دانشکدة منابع طبیعی، دانشگاه تهران حسین آذرنیوند

دانشیار دانشکدة منابع طبیعی، دانشگاه تهران سید کاظم علوی پناه

استاد دانشکدة جغرافیا، دانشگاه تهران سید جمال الدین خواجه الدین

چکیده

soil is one of the main non-renewable natural resources in the world and its degradation is considered as a major threat around the globe because it reduces the productivity capacity of soil variability and makes the environment instable in the long turn. soil degradation has three different aspects: physical, chemical and biological degradation. if any of these aspects of the destruction of the soil can be estimated in an equation, assessment and estimation of the soil degradation can be done easily. to achieve this goal extensive efforts have been made in various parts of the world and different methods for assessing soil degradation have been suggested. in this research latest guideline of soil degradation assessment presented by land degradation assessment in aridlands is used to desert region of the east of esfahan and different aspects of soil degradation is assessed by that. according to the findings of this research, lada methodology of soil degradation easily can be used by most users within the country because the method is simple and provides results as fast as possible. comparing the results of this method and photos of relative the sampling sites has shown the model is reasonably accurate.

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عنوان ژورنال:
مرتع و آبخیزداری

جلد ۶۸، شماره ۱، صفحات ۱۰۹-۱۲۹

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