The paper focusses on the impact dryland ecosystems of conflicting governance in regulations land use, water for irrigation and electric energy from photovoltaic installations (PV). research uses empirical results a panel data model based long time series that enable sensitivity main crops to cost viability solar system connected grid be identified. We present evidence private social benefits i...

Recent studies suggest the long-standing discrepancy between measured and modeled leaf litter decomposition in drylands is, in part, the result of a unique combination of abiotic drivers that include high soil surface temperature and radiant energy levels and soil-litter mixing. Temperature and radiant energy effects on litter decomposition have been widely documented. However, under field cond...

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...

tall wheatgrass (agropyronelongatum) is native to iran and is used in a wide area of rangelands and also used in drylandseeding program. this plant produces green and dry fodder and has a great importance in protecting drylands from water and wind erosion.seed proteome analysis was conducted under three conditions, namley, optimum (20 °c and zero water potential), drought conditions (20 °c and ...

Evapotranspiration (ET) is an important part of the water, carbon, and energy cycles in ecosystems, especially drylands. However, due to particularity sparse vegetation, estimation accuracy ET has been relatively low Therefore, based on dry climate vegetation distribution characteristics drylands, this study optimized core algorithms (canopy boundary resistance, aerodynamic coverage) explored m...

Ecological compensation is an important economic means of water pollution control and quality management, especially for trans-regional rivers with unbalanced social development between upstream downstream. The Tangbai River Basin (TRB), a watershed crossing Henan province Hubei province, China, forms one the nation’s most productive agricultural regions. TRB has been exposed to high doses fert...

abstract in order to evaluate the effects of different depths of irrigation by sprinkler irrigation system on water use efficiency (wue) of new early maize cultivar ksc302, an experiments was carried out in karj during 2006 and 2007. experimental design was split plot based on randomized complete blocks with three replications. main plots were three irrigation levels: 75%, 100% and 125% etc (es...

The evolution of central Asian drylands during the Cenozoic is a hot topic in paleoclimate research, but underlying mechanism remains unclear. Here, we investigate this with climate modeling based on six key geological periods. Our results indicate that have existed since early Eocene, after which they move northward and become narrower. Although changed land-sea distribution decreased atmosphe...

Previous research on the effects of drought vegetation productivity seldom distinguished different responses ecosystems to under management practices and land use systems. Studies investigating whether irrigation can buffer negative impacts usually used discontinuous yield data in distribution. In this study, trends farmlands drylands northern China (DNC) from 2000 2018 were studied using self-...

We introduce a simple mathematical model for the description of 'dormancy', a survival strategy used by some bacterial populations that are intermittently exposed to external stress. We focus on the case of the cyanobacterial crust in drylands, exposed to severe water shortage, and compare the fate of ideal populations that are, respectively, capable or incapable of becoming dormant. The result...