[1]LI Zijun,LIU Jinyu,JIANG Aixia,et al.Temporal and Spatial Dynamics of Ecosystem Service Value in Benghe River Basin Based on Land Use Change[J].Research of Soil and Water Conservation,2020,27(02):269-275,283.
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Temporal and Spatial Dynamics of Ecosystem Service Value in Benghe River Basin Based on Land Use Change
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
27
Number of periods:
2020 02
Page number:
269-275,283
Column:
Public date:
2020-03-30
- Title:
- Temporal and Spatial Dynamics of Ecosystem Service Value in Benghe River Basin Based on Land Use Change
- Keywords:
- land use change; ecosystem service value; temporal and spatial variation; Benghe river basin
- CLC:
- X171; F301.24
- DOI:
- -
- Abstract:
- In order to protect the regional ecological environment and rational use of land resources, based on land use data in five time points in 1978, 1985, 1995, 2005 and 2015, the temporal and spatial evolution of ecosystem service value in the Benghe River Basin from 1978 to 2015 was analyzed by means of the adjusted equivalent factor valuation model of ecosystem service value, spatial autocorrelation analysis and hot spot analysis. The results showed that:(1)the trend of land use change in the basin is the reduction of cultivated land and grassland, and the increase of construction land, water area, forestland and unused land; the transfer between land use types is mainly based on the transfer of cultivated land to construction land, followed by the transfer of cultivated land to forestland and the transfer between cultivated land and grassland;(2)the change of ecosystem service value generally presents the decreasing trend; the specific change process was reduced at first, and then increased, and finally decreased; the ecosystem service value of cultivated land and grassland reduced, and the ecosystem service value of the forestland, water area and unused land increased; the ecosystem service value of soil formation and conservation, food production, biodiversity conservation, gas regulation, raw materials and climate regulation reduced, and the ecosystem service value of water conservation, recreational culture and waste disposal increased;(3)the ecosystem service value of the Benghe River Basin showed the spatial agglomeration distribution pattern and the degree of agglomeration was slightly weakened; the cold spot area had a clear expansion trend and concentrated in the built-up areas of Pingyi County, Fei County and Lanshan District, the hotspots area remained fundamentally unchanged, and the hotspots mainly distributed in the Mengshan Mountains, reservoirs, river and low hills.
- References:
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Last Update:
2020-02-25