Ecological bags have been gradually adopted for ecological protection on the subgrade slope because of their good soil fixation effect, strong water retention performance, fast construction and other advantages. made natural jute obvious attributes in environmental economic efficiency. In this study, tensile tearing strength common-used cloth tested. The result shows that meet requirements stan...

this study was carried out in sorkhdeh rangeland in semnan province in order to determine the ecological species groups and their relationships with environmental factors as a tool for better management. vegetation sampling was performed in 230 plots under equal random classification method and soil samples were taken in 0-15 depth. climatic and topographic data were extracted by overlaying sam...

Coastal areas usually involves in several kinds of water use, such as agricultural, industrial, and drinking, which are needed to be considered as important in water management systems. There is a need to study the sustainable water resources management in different terms. A combined methodology, which considers the human activities, as well as environmental problems according to some criteria,...

city growth and environmental difficulties last decades leads the art of urban design and development think more precisely and new approaches for conserving environment and developing urban areas have been evolved.the present study deals with concepts related to ecology in the city and in particular the theory of ecological urbanism and its criteria is expressed. also theory and characteristics...