Introduction: Although travertine is now widely used as a building material, the effects of its radiological hazards to public health should be a matter of concern. Therefore, this study aimed to determine its radiological parameters with regard to human health. Material and Methods: In this research 10 travertine samples were collected ...

biodiversity refers to all forms of living animals, plants and microorganisms and agro-biodiversity is a component of biodiversity that represents diversity in arable lands. the aim of this study was to determine the biodiversity status of agro-ecosystems of shahr-e-rey city located in south of tehran, through calculating species richness index using rarefaction method. to the collect required ...

The farmers in the Bow River Basin (BRB), Canada, have adopted water conservation strategies to reduce needs. This reduction, however, encouraged expansion of irrigation, which may rebound agricultural demands. paradox requires an understanding human adaptation drought by mapping individual farmers’ decisions dynamics basin-wide demand. We develop agent-based demand (ABAD) model, simulating beh...