[1]ZHAO Xiaoqing,MIAO Peipei,PU Junwei,et al.Land Use Change and Its Impact on the Gross Ecosystem Product in Fuxian Lake Basin[J].Research of Soil and Water Conservation,2020,27(02):291-299.
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Land Use Change and Its Impact on the Gross Ecosystem Product in Fuxian Lake Basin
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
27
Number of periods:
2020 02
Page number:
291-299
Column:
Public date:
2020-03-30
- Title:
- Land Use Change and Its Impact on the Gross Ecosystem Product in Fuxian Lake Basin
- CLC:
- F301.24; X196
- DOI:
- -
- Abstract:
- In order to study the impact of land use change on the gross ecosystem product(GEP)in the Fuxian Lake Basin, based on the interpretation data of the three remote sensing images of Fuxian Lake Basin in 2005, 2010 and 2015, the land use change of Fuxian Lake Basin in 2005, 2010 and 2015 was analyzed by using ArcGIS technology and ecological value assessment method. The results showed that:(1)the land use structure of the basin in the past decade was dominated by water body, cultivated land and forestland; the areas of construction land and forestland continue to increase, the cultivated land and grassland continue to decrease, the water area remains basically unchanged, and the cultivated land was transferred to construction land and forestland;(2)land use changes made the ecosystem production value of Fuxian Lake Basin increase year by year in terms of the time scale; in 2005, 2010 and 2015, the total ecosystem production value was 1 932.526 3 million yuan, 2 831.740 4 million yuan and 5 137.692 8 million yuan, respectively; in terms of space, the total GEP per unit area in the past ten years had gradually increased from the lake to the peripheral area, and the values of supply services in the northern and southern parts of the lake had increased the most, the value of regulating services in the north of the right town, the western part of the lake, and the southern part of the road had increased; it was more obvious, and the values of cultural services gradually increased along the periphery of the lake;(3)the total GEP of the Fuxian Lake Basin was mainly based on the supply value of ecosystem products, accounting for 47.61%, 55.22% and 53.55% of the total GEP, respectively; the values of regulated services accounted for 33.49%, 21.76% and 12.24% of the total ecosystem production, respectively, while the value of cultural services was the least, accounting for 18.90%, 23.02% and 34.21% of the total ecosystem production, respectively; Among them, the values of ecosystem supply services were the largest in 2005 and 2010, and gradually decreased by 2015; the value of the regulation service of the ecosystem gradually reduced; the proportion of cultural service value of ecosystems was small, but it increased year by year;(4)from the perspective of different ecosystem types, the value increments decreased in the order: forest land>cultivated land>grassland>water area>construction land, and the values of forestland and cultivated land increased while the values of grassland, water body and construction land increased less.
- References:
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Last Update:
2020-02-25