Liu Jiafu, Xi Lanlan, Zhang Yao, et al. A Study on Simulation and Prediction of Ecosystem Service Value in Jilin Province Based on CA-Markov and InVEST Model[J]. Bulletin of Soiland Water Conservation, 2020, 40(6): 153-159.
DOI:
Liu Jiafu, Xi Lanlan, Zhang Yao, et al. A Study on Simulation and Prediction of Ecosystem Service Value in Jilin Province Based on CA-Markov and InVEST Model[J]. Bulletin of Soiland Water Conservation, 2020, 40(6): 153-159. DOI: 10.13961/j.cnki.stbctb.2020.06.022.
A Study on Simulation and Prediction of Ecosystem Service Value in Jilin Province Based on CA-Markov and InVEST Model
[Objective] The impacts of the process of land use evolution on ecosystem service value in Jilin Province were analyzed and predicted in order to provide theoretical basis for the formulation of ecological environment protection and improvement policies and strategies in Jilin Province.[Methods] Based on the land use data of Jilin Province in 2000
2010 and 2017
the CA-Markov model was used to simulate and predict the land use pattern in 2024
and InVEST model was used to analyze the change of ecosystem service value and the spatial-temporal evolution characteristics of habitat quality in Jilin Province from 2000 to 2024.[Results] ① From 2000 to 2024
the area of cultivated land
grassland and construction land increased continuously
while the area of woodland
water area and unused land decreased. ② From 2000 to 2024
the total value of ecosystem services showed a downward trend
among which forest ecosystem services value was the largest
and hydrological and climate regulation were the main ecological service functions. ③ The spatial distribution of habitat quality in Jilin Province was low in the central and western regions and high in the east. The quality of the habitat is deteriorating continuously
and the degradation is serious around the city and along the main river basins.[Conclusion] The habitat quality in the central and western regions of Jilin Province has declined seriously
thus
more attention should be paid on the protection and rational utilization of city surrounding zones and water systems.
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