the increasing rate of urbanization and rate of population growth over the 20th century has led to various problems such as traffic congestion, air pollution, and lack of open and green spaces that have affected the cities and their citizen's life. this condition has led to increasing demands for more land use, homes, and work places, more public transport and mass transit systems and mode...

Angeles Rivers and Mountains Conservancy, as part of the " Green Visions Plan for 21st Century Southern California " project. The authors thank Christina Li for providing assistance with the statistical analysis. The authors would also like to thank Frank Simpson for his comments on this paper. Thanks to the Green Visions summer interns of 2005 for the photos on the front cover. The mission of ...

The green tract of land is one of the significant factors for urban planning and urban management to improve and conserve the urban environment. Planning the green tracts is often carried out as a part of land use strategy based on relation to neighborhood, their scale, functions, and locational condition. On the other hand, a vegetation-covered area is a considerable focus of investigation for...