ANALYSIS AND PREDICTION OF CARBON STORAGE EVOLUTION IN QILIAN MOUNTAIN NATIONAL PARK BASED ON InVEST-FLUS MODEL

SU Junde; ZHAO Xiaojiong; LI Guoxia

doi:10.13205/j.hjgc.202407021

Volume 42 Issue 7

Jul. 2024

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2024 > 42(7): 190-199

SU Junde, ZHAO Xiaojiong, LI Guoxia. ANALYSIS AND PREDICTION OF CARBON STORAGE EVOLUTION IN QILIAN MOUNTAIN NATIONAL PARK BASED ON InVEST-FLUS MODEL[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(7): 190-199. doi: 10.13205/j.hjgc.202407021

Citation:

SU Junde, ZHAO Xiaojiong, LI Guoxia. ANALYSIS AND PREDICTION OF CARBON STORAGE EVOLUTION IN QILIAN MOUNTAIN NATIONAL PARK BASED ON InVEST-FLUS MODEL[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(7): 190-199. doi: 10.13205/j.hjgc.202407021

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ANALYSIS AND PREDICTION OF CARBON STORAGE EVOLUTION IN QILIAN MOUNTAIN NATIONAL PARK BASED ON InVEST-FLUS MODEL

doi: 10.13205/j.hjgc.202407021

1. Gansu Vocational & Technical College of Nonferrous, Jinchang 737100, China;
2. Gansu Academy of Ecological Environment Design and Research, Lanzhou 730000, China;
3. Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, China

Received Date: 2023-09-05
Available Online: 2024-12-02

Abstract

Abstract

As an important index of ecosystem service function, carbon storage is the result of the comprehensive effects of human activities, hydrothermal changes, and vegetation growth. As one of the key ecological protection areas in western China, the prediction and quantitative assessment of land use and carbon storage of Qilian Mountain National Park is of great significance for the realization of the dual carbon target and the scientific division of protection areas in western China. In this study, the InVEST model was used to reveal the carbon storage effect of land use change in Qilian Mountain National Park from 2000 to 2020, and the FLUS model was coupled to predict the impact of land use change and carbon storage in the study area in 2030. The results showed as follows: 1) from 2000 to 2020, grassland and wetland in the study area continued to decrease, forest land and water area continued to increase, cultivated land and unused land increased first and then decreased, and construction land decreased first and then increased. The carbon storage in the study area was relatively high on the whole, but with the change in land use, the carbon storage showed a slowly increasing trend, and the cumulative increase of carbon storage was 9.35×10⁷ t in 20 years. 2) The spatial distribution pattern of carbon storage in the study area was lower in the west and higher in the east. The high accumulation area was mainly distributed in the central and eastern regions with large and contiguous ecological land, while the low accumulation area was mainly distributed in the western regions with high land development intensity and ecological land fragmentation. The main factors affecting the spatial distribution pattern of carbon storage were forestland and grassland with high carbon storage. 3) In the case of natural development, carbon storage in the study area will reach 9.4×10⁸ t in 2030, increased by 9.30% compared with 2020. The main reason for this change is the large-scale increase in forest land. The results provide a scientific basis for the strict implementation of ecological protection policies such as the Qilian Mountain ecological red line, and provide a scientific reference for further optimizing the land use structure of the Qilian Mountain National Park and slowing down the loss of regional carbon stocks.
- Qilian Mountain National Park,
- InVEST model,
- carbon storage,
- FLUS model,
- spatio-temporal variation

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References(38)

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