Research on land-space ecological restoration zoning based on the types of Earth’s Critical Zone： A case study of Xixia County, Henan Province

HUANG Peizhen; ZHAO Huafu; WU Kening; QIAN Jiacheng; LI Xiao

doi:10.12097/gbc.2023.02.011

2024 Vol. 43, No. 8

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Article navigation > Geological Bulletin of China > 2024 > 43(8): 1325-1335

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HUANG Peizhen, ZHAO Huafu, WU Kening, QIAN Jiacheng, LI Xiao. 2024. Research on land-space ecological restoration zoning based on the types of Earth’s Critical Zone： A case study of Xixia County, Henan Province. Geological Bulletin of China, 43(8): 1325-1335. doi: 10.12097/gbc.2023.02.011

Citation:

HUANG Peizhen, ZHAO Huafu, WU Kening, QIAN Jiacheng, LI Xiao. 2024. Research on land-space ecological restoration zoning based on the types of Earth’s Critical Zone： A case study of Xixia County, Henan Province. Geological Bulletin of China, 43(8): 1325-1335. doi: 10.12097/gbc.2023.02.011

Research on land-space ecological restoration zoning based on the types of Earth’s Critical Zone： A case study of Xixia County, Henan Province

1.
School of Land Science and Technology, China University of Geosciences, Beijing 100083, China
2.
Key Laboratory of Land Consolidation and Rehabilitation, Ministry of Nature Resources, Beijing 100035, China

More Information

Corresponding author: ZHAO Huafu, huafuzhao@163.com

Received Date: 07 February 2023

Revised Date: 24 May 2023

Publish Date: 15 August 2024

Abstract

Abstract

The type units of Earth’s Critical Zone reflect the characteristics of the natural background, which can provide scientific reference for the ecological restoration of land and space. We use land cover, topography and soil as the constituent elements to divide the types of Earth’s Critical Zone, the regional ecological importance and ecological sensitivity are evaluated by combining the InVEST model and Conefor2.6 model, and the land−space ecological restoration zone is identified. The results show that: ① The types of Earth’s Critical Zone in Xixia County could be divided into 8 first−class types and 19 second−class types, with the Broadleaf forest−Hilly in the first−class types as the main type, and the Broadleaf forest−Hilly−Leaching soil in the second−class types as the main type. ② The units of high ecological importance were concentrated in the central and northern parts, accounting for about 9.3% of the county. The units with high ecological sensitivity are mainly distributed in the northern hilly area. ③ According to the ecological level, the units of Earth’s Critical Zone are divided into four categories: bottom line, tension, buffer and general, and the ecological restoration is divided into core conservation area of nature reserve, key ecological reserve, general ecological reserve and other areas.
- Xixia County /
- types of Earth’s Critical Zone /
- ecological importance /
- ecological sensitivity /
- ecological restoration

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References

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