نتایج جستجو برای: arid regions is typically meager
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Extended abstract 1- Introduction Fluvial and aeolian processes are important factors in changing the surface of morphology in the Earth. When rivers and sand dunes meet, the transportation of sediment between them can lead to one of the systems or both of them change. With their connection between river sediment and wind systems there would be lots of reactions, but very little has been st...
The production of various reactive oxygen species (ROS) is one of the effects of drought stress on plants. In order to combat with them, enzymatic antioxidant is presented in plant cells. In this study, the ability of adaptation of three native rangelands species (Taverniera cunifolia, Lycium shawii and Rhazya stricta) with multiple capabilities such as soil conservation, medicinal and orna...
Retrieval of eco-hydrological variables/parameters from the orld’s cold and arid regions using remote sensing is more chalenging compared to other regions, and less research work on uantitative remote sensing has been carried out in these specific egions. This is because: (1) Cold and arid regions are most likely o be located in theworld’s remote and relatively under-developed reas, where conve...
Forests have evolved in their natural ecosystems over millennia to become the world’s most important and valuable renewable resources. Genetic variety perspective trees has been defined as Forest Resources (FGRs). genetic resources directly or indirectly sustain human livelihoods provide raw materials for various forest-based enterprises. This chapter focuses on FGRs of arid semiarid regions, w...
Hyper-arid deserts can be considered extreme environments with respect to their conditions of low humidity and low water activity. Traditionally we associate camels and cacti with the ability to survive in arid environments for extended periods without replenishing their water supply. Little is known about the diversity and ecology of prokaryotes in arid or hyper-arid regions. Using culturing a...
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