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IMPACTS OF LAND COVER CHANGE AND SOCIOECONOMIC DEVELOPMENT ON ECOSYSTEM SERVICE VALUES
Autori: Zi Tang
Data aparitiei: Octombrie / 2014
Revista: Environmental Engineering and Management JournalVol. 13Nr. 10
ISSN: 1843 - 3707
Pret: 25.00 RON    
N.A.
Abstract
Social and economic development can cause land cover changes that significantly affect ecosystem services and functions. This
study investigated the temporal variation in ecosystem service values in response to land cover changes caused mainly by human
activities in Harbin City, one of the fastest growing metropolitan areas in northeast China. The aim was to provide guidance for
regional sustainable development. An evaluation method for ecosystem service values based on land cover change was applied in
1996 and 2008. Sensitivity analysis was used to discuss driving forces triggering the change of land cover and ecosystem service
values. The results showed that the total ecosystem service value increased from 20945.53 million $ in 1996 to 21030.83 million
$ in 2008, mainly due to the increasing areas of woodland, water body and urban green land. Over 97% of the total value was
attributable to woodland, farmland and water body. Hydrological regulation and biodiversity maintenance were the two largest
service functions, contributing about 30.62% of the total value. Population growth, urban expansion, and economic development
were three major driving forces for the change of land cover and ecosystem service value. The results suggest that future land use
planning should emphasis on protecting woodland, water body and urban green land that have the highest ecosystem service
values, and continue the policy of ecological protection, to achieve regional sustainable development.


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