many epidemiological studies have found that people living in environments with more green space report better physical and mental health than those with less green space. however, the association between visits to green space and mental health has seldom been studied. the environment surrounding residences and its recreational and commuting opportunities are believed to affect human health and...

Urban parks, forests and open space systems provide many amenities for city dwellers. Yet perceptions of public value may not incorporate all of the scientifically confirmed public goods and services of urban green space. Theory and methods of economic valuation have been used to derive green space values – including direct use, environmental services, hedonic pricing and human health estimatio...

Quantitative identification of physical changes, developments and dynamic position of urban green space is considered as the first step in its planning. By means of the aerial photos taken in 1956, 1974, and 1994 as well as the Quick Bird satellite image captured in 2006, this study has dealt with changes in per capita green space in Khorramabad during these years. First, geometric corrections ...

Quantitative identification of physical changes, developments and dynamic position of urban green space is considered as the first step in its planning. By means of the aerial photos taken in 1956, 1974, and 1994 as well as the Quick Bird satellite image captured in 2006, this study has dealt with changes in per capita green space in Khorramabad during these years. First, geometric corrections ...

In this paper, the concept and connotation of urban green space and ecosystem service were expatiated, and the research advance in ecosystem service of urban green space was reviewed. The studies of ecosystem service of urban green space in overseas were focused on improving the quality of urban environment, maintaining biodiversity, providing amenity values, and ecosystem management; while in ...

land use changes are one of the important consequences of urban spatial extent. regarding the role of green space as one of important land use classes in urban ecosystems, the investigations of its changes seem to be crucial. in this study, to estimate the changes of green space, the ndvi index was applied to tm and irs images of 1990 and 2006 and green space maps of district 1 of tehran munici...

abstract during 2008-2009 species composition of injurious mites associated with common broad leaf trees and ornamental shrubs in green spaces of mashhad region was surveyed. as result, 13 mite species belonging to 10 genera and 3 families, eriophyidae, tetranychidae and tenuipalpidae were collected and identified. in bellow list, the new records for razavi khorasan and iran are indicated with ...

water supply of green spaces in arid areas is a major challenge. a high percentage of green spacescreate lawns, which are high water consumer landscapes. due to the environmental, recreational andathletic values of lawns, they are considered as non-removable elements in urban green space development.this paper reviews and discusses strategies for efficient water usage in lawn areas using librar...

Green space is one of the important infrastructures for keeping natural life and sustainability in modern urbanism and it provides excellent recreational opportunities for the people in the society. However, there are limiting factors in green space development, especially in arid regions, including extreme weather and soil temperatures, low average rainfall, drought, and high potential for eva...