Journal
ENVIRONMENTAL MONITORING AND ASSESSMENT
Volume 179, Issue 1-4, Pages 575-588Publisher
SPRINGER
DOI: 10.1007/s10661-010-1764-1
Keywords
Ecosystem service values; Urbanization; HaDaQi industrial corridor
Categories
Funding
- National Natural Science Foundation of China [40771195, 40871082]
- Excellent Youth Foundation of Heilongjiang Province [JC200714]
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With rapid population growth and rural-to-urban migration in many Chinese cities, a large amount of natural lands have been converted to urban and agricultural lands recently. During this process of land conversion, economic development and quality of life improvement are considered as major goals, and their influences on ecological systems have often been neglected. The degradation of natural ecological systems due to land use change, however, has become severe, and may require immediate attentions from urban planners and local governments. Taking HaDaQi industrial corridor, Heilongjiang Province, China, as a case study area, this paper examined the trend of land use changes during 1990-2005, and quantified their influences on natural ecosystem service values. In particular, this study applied two major valuation methods, and examined whether different valuation methods generate significantly different results. Analysis of results suggests that human dominated land uses (e.g., urban and agriculture) have expanded rapidly at the cost of natural lands (e.g., wetlands and forest). Due to these land use changes, the total ecosystem service value decreased 29% (2.26% annually) from 1990 to 2005 when the first method was applied, and this rate is estimated to be 15.7% (1.13% annually) with the second approach. Moreover, the annual rate of ecosystem service value decline during 2000-2005 is about four times higher than that in 1990-2000 with both methods, suggesting much more severe ecosystem degradation during 2000-2005.
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