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Journal of Geographical Sciences >

2005 , Vol. 15 >Issue 1: 80 - 86

DOI: https://doi.org/10.1360/gs050110

Climate and Environmental Change

Estimates of loss in ecosystem service values of Songnen plain from 1980 to 2000

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  • 1. Northeast Institute of Geography and Agricultural Ecology, CAS, Changchun 130012, China;

    2. Graduate School of Chinese Academy of Sciences, Beijing 100039, China

Received date: 2004-06-09

  Revised date: 2004-09-29

  Online published: 2005-03-25

Supported by

National Natural Science Foundation of China, No.40401003; Knowledge Innovation Project of Chinese Academy of Sciences, No.KZCX1-SW-19; Foundation Item of Key Laboratory of Ecological Restoration and Ecosystem Management of Jilin Province, No.DS2004-03

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Abstract

Ecosystem services are premises for human beings to exist and develop in the world, and it is of importance to study effects of land use change on ecosystem functions. Songnen plain, located in Northeast China, is one of the national key bases for agricultural production. Because there were remarkable variations in land use in recent years, it can supply specific foundation for protection and restoration of regional eco-environment to explore changes in its values of ecosystem services. This study aims to qualify long-term changes in land use of Songnen plain from 1980 to 2000, and to explore the impact of land use change on ecosystem services. With 2-period land use data using RS and GIS, this paper analyzed changes in land use and in ecosystem service values using the ecosystem service value coefficients (VC) put forward by Costanza et al. Results showed that from 1980 to 2000, area of rangeland, water area and wetlands and area of cropland decreased, but urban area and unused land increased. Due to cropland's comparatively low VC and comparatively high VC of wetlands and water area, increment in cultivated land could not offset the total decrement in regional ecosystem service values because of the decrease in area of wetlands and water area. Meanwhile, city sprawl has also led to loss of ecological values. Total ecosystem service values of the study area reduced dramatically, from 34,926.10×106$ to 31,744.54×106$ in the period 1980-2000. This represents a 9.11% net decline in annual value of ecosystem services in the study area.

Key words： ecological values; land use change; ecosystem service; Songnen plain

Cite this article

WANG Zongming, ZHANG Bai, ZHANG Shuqing, SONG Kaishan, DUAN Hongtao . Estimates of loss in ecosystem service values of Songnen plain from 1980 to 2000[J]. Journal of Geographical Sciences, 2005 , 15(1) : 80 -86 . DOI: 10.1360/gs050110

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