co2 is the main greenhouse gas which urban forests have a high potential to absorb and sequestrate it. the air pollution of tehran is one of the most important environmental problems of the iran. to do this research 40 years old stands of robinia pseudoacacia and fraxinus rotundifolia and the surrounding barren land ( as blank) were selected in chitgar forest park of tehran and the amount of ca...

This paper will present an analytical review of doctrinal texts that have been key for the shaping integrated urban conservation practice internationally: from Athens Charter to Historic Urban Landscape Convention.
 The 1931 Restoration Monuments was published at same time when Congres Internationaux d’Architecture Moderne summing up its controversial urbanist ideology in own Charte d'Athè...

Abstract Background Urbanization process around the world has not only changed patterns of land use, but also fragmented habitat, resulting in significantly biodiversity loss. Urban rivers, serve as one natural corridors urban ecosystems, are importance for ecosystem stability. However, few studies have been done to explore relationship between vegetation and pollinators river segments. In this...

this study investigates the application of landscape ecology in planning and design of urban ecological systems. the ecological approach to landscape planning and the concepts of designing and implementing ecological systems have gained increasing attention in the last two decades. however, the ecological systems of urban environment need more research to consider built and natural patches and ...

Land-use change is a major cause of wildlife habitat loss. Understanding how changes in land-use policies and economic factors can impact future trends in land use and wildlife habitat loss is therefore critical for conservation efforts. Our goal here was to evaluate the consequences of future land-use changes under different conservation policies and crop market conditions on habitat loss for ...