نتایج جستجو برای: aridand semi arid rangeland

تعداد نتایج: 153715  

Journal: :محیط شناسی 0
الناز نوروزی اقدم سید محمودرضا بهبهانی علی رحیمی خوب حسین عقیقی

soil moisture is one of the critical parameters in climatic, ecological and hydrological modeling and vegetation growth. soil moisture is important for environmental studies but due to ground-based point measurement of soil moisture is expensive and impractical for watershed measurement, this parameter is not be used widely to simulate and predict models. overall and uniform view on different p...

Journal: Desert 2009
A. Ahmadian A. Malekian H. Ghasemi

Shortage of water resources and increasing demand to consumption of this scarce resource, leads to somenoticeable limitations. On the other hand, population growth and consequently, increasing demand for water in aridand semi arid regions , needs production in exchange of little amount of water consumption. To approach thisobjective, an experiment in the complete randomized blocks carried out i...

Quantitative study of species diversity across different land use units and districts is important to document status of local plant biodiversity, to evaluate impact of management and for planning future management. This study aimed at determining impacts of land use units on species diversity and spatial distribution of species in two districts of Borana zone, Oromia, Ethiopia. Stratification ...

Journal: :مدیریت خاک و تولید پایدار 0
فاطمه کاردل دانشگاه مازندران علیرضا تجری دانش آموخته کارشناسی ارشد گرایش آبخیزداری

increased soil dryness of hillsides and lands around the gully causes the aggravation of the gully erosion which leads to the desertion of the environment. soil moisture contents are various in different soil depths, gully positions, and in various land uses. these are fundamental for ecosystem sustainability in arid and semi-arid area. therefore, understanding the behavior of soil moisture in ...

ژورنال: مرتع 2020
Ghaemi, Nabi, Hajarian, Marzyeh, Motamedi, Javad, Soori, Mahshid,

Currently the use of animal husbandry in Iran is dependent on rangeland forage which makes it the main land use practice on those areas. Ignorance of relationship between the rangeland’s capacity and economic life of the users, puts the rangelands in danger due to the pressure on their resources. That’s why the vastness of rangeland and its stocking rate should be known whereby calculation of r...

Journal: :Ekologia 2022

Abstract Remotely sensed soil moisture products showed sensitivity to vegetation cover density and typology at regional dryland level. In these regions, drought monitoring is significantly performed using index rainfall data. Recently, observations have increasingly become available. This has hampered scientific progress as regards characterization of land surface processes not just in meteorol...

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