Soil is one of the most important natural resources covering a large area of the land surface. Soil plays a vital role in biosphere processes, such as energy balance, hydrology, biochemistry, and biological productivity. It supports plants that supply foods, fibers, drugs, and some other human needs. Conversely, desert regions include about one third of earth lands and these regions have increa...

Testosterone produced by the gonads is a primary mediator of seasonal patterns of territoriality and may directly facilitate territorial behavior during an encounter with a potential intruder. Costs and benefits associated with territoriality can vary as a function of habitat, for example through differences in resource distribution between areas occupied by different individuals. We investigat...

This study aims to compare, on the one hand, the geographical distribution of the desert dust source areas, their contribution to quantities emitted into the atmosphere, the trajectories and the quantities deposited, with on the other hand the areas of research interest focused on the desert dust impacts on air quality and/or human health. Based on a systematic review of the literature using th...

Dust storms and sandy dust events originating in arid and semi-arid areas can transport particulate material, pollutants, and potential transport long distances from their sources. Exposure to desert dust particles is generally acknowledged to endanger human health. However, most studies have examined anthropogenic particulate sources, with few studies considering contributions from natural des...

Though explicit pronouncements are difficult to find, the historical literature on the Middle East seems to be based on the assumption that the large desert areas contain societies and economic systems which are for the most part autonomous, but which occasionally impinge--sometimes with catastrophic results--on the lusher agricultural and urbanized areas. The deserts are designated by terms eq...

economic value of natural resources is increased via tourism resources function. natural environment in the desert area has great potential for attracting tourists and in this respect it has a nonmarketable value. making these values marketable may lead to rise up the economic value of natural environment in the desert area. one of the most important natural environments in the desert areas of ...

BACKGROUND & OBJECTIVES Malaria is an important public health problem in northwestern desert part of Rajasthan. Since desert malaria is seasonal or unstable, there is a need to study its epidemiology in the totality to address factors like how malaria is introduced into desert every year and what are desert-specific transmission risk factors leading to epidemics? METHODS Twenty-six villages i...

[1] The processes that determine which areas are strong sources of mineral aerosols are not well known. In this study we consider the role of ephemeral lakes in modulating emissions of atmospheric mineral aerosols. We focus on two ephemeral lake regions that have been identified as source regions: the zone of Chotts in Tunisia and Algeria, and Etosha Pan in Namibia. Comparisons of satellite ret...