[1]HU Lili,LI Yiqiu,DENG Ou,et al.Changes of Ecosystem Service Values in Longmenshan Region in the Period from 1995 to 2015[J].Research of Soil and Water Conservation,2020,27(05):358-364.
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Changes of Ecosystem Service Values in Longmenshan Region in the Period from 1995 to 2015
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
27
Number of periods:
2020 05
Page number:
358-364
Column:
目次
Public date:
2020-08-20
- Title:
- Changes of Ecosystem Service Values in Longmenshan Region in the Period from 1995 to 2015
- Keywords:
- ecosystem; ecosystem service value; Longmenshan region
- CLC:
- X171.1; F062.1
- DOI:
- -
- Abstract:
- The series remote sensing images of Landsat of five periods in 1995, 2000, 2005, 2010 and 2015 were used as primary data source. The ecosystem service value of Longmenshan region was calculated based on the improved equivalent factor method, and the sensitivity index was analyzed. The results showed that:(1)from 1995 to 2015, the value of forest ecosystem services was the highest among the ecosystems in Longmenshan region, followed by grassland ecosystem, and the value of desert ecosystem services was the lowest;(2)the ecosystem service value of per unit area in different areas showed spatial heterogeneity during 1995 to 2015; the per unit area ecosystem service values in the mountain areas and the plateau areas were much higher than those in plain and hilly areas; and the total ecosystem service values in different areas decreased in the order: the mountain area>the plain area>the plateau area>the hilly area;(3)both the service values of each type ecosystems and the total ecosystem service values of different regions showed the consistent change rule with the total ecosystem services value: they all declined from 1995 to 2000 and increased from 2000 to 2010, and declined on the whole from 2010 to 2015; overall, the total ecosystem service value decreased by 19.75% from 1995 to 2015;(4)from 1995 to 2015, in different period, the proportion of the value of the same ecosystem service in the total ecosystem service value was stable; however, in the same period, the proportion of the value of different ecosystem service in the total ecosystem service value showed the significant difference; among the 11 types of ecosystem services values, the value of climate regulation contributed to the total ecosystem service value mostly, followed by the value of hydrology regulation, and the value of water supply accounted for the least;(5)the ecosystem service value was inelastic to ecosystem value coefficient, so the research results were credible. During ecological construction and protection, regional territorial space planning and other works in the region in the future, the path of sustainable development should be adhered so as to achieve a highly coordinated development between economy and ecological environment.
- References:
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Last Update:
2020-08-25