منابع مشابه
Are soils in urban ecosystems compacted? A citywide analysis.
Soil compaction adversely influences most terrestrial ecosystem services on which humans depend. This global problem, affecting over 68 million ha of agricultural land alone, is a major driver of soil erosion, increases flood frequency and reduces groundwater recharge. Agricultural soil compaction has been intensively studied, but there are no systematic studies investigating the extent of comp...
متن کاملChaos in urban freight policies
As mentioned in the European white paper of the OECD (OECD, 2003) the main policy objective to be tackled is the development of sustainable urban goods transport. Sustainable urban goods transport should facilitate a continuing economic growth and meanwhile protecting the environment and ensuring a better quality of life for future generations. In Netherlands various regulations have been imple...
متن کاملUrban Development Policies in Nigeria
Nigeria’s cities, as elsewhere in Sub-Saharan Africa, lack adequate infrastructure for housing, sanitation, water, and open space amenities. Much of this is due to the absence of land planning statutes that encompass the evolving functions and responsibilities of urban areas, as numerous Nigerian research studies have documented. This paper reviews the status of urban planning in Nigeria and ca...
متن کاملModelling short‐rotation coppice and tree planting for urban carbon management – a citywide analysis
The capacity of urban areas to deliver provisioning ecosystem services is commonly overlooked and underutilized. Urban populations have globally increased fivefold since 1950, and they disproportionately consume ecosystem services and contribute to carbon emissions, highlighting the need to increase urban sustainability and reduce environmental impacts of urban dwellers. Here, we investigated t...
متن کاملEcological Design of Urban Landscape
Paying attention to the spatial placement of the elements (man-made or natural) based on the landscape pattern and ecological processes in urban design would have a considerable impact on both human and the nature. In a way that the discords in the placement of patchs in respect to each other, or in respect to visual corridors and urban matrixes lead to the unwanted results in the cities. The e...
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ژورنال
عنوان ژورنال: Journal of Planning Education and Research
سال: 1981
ISSN: 0739-456X,1552-6577
DOI: 10.1177/0739456x8100100109