IMPORTANCE EVALUATION OF ECOLOGICAL PROTECTION FOR TERRITORIAL SPATIAL PLANNING: A Case Study of Hancheng City, Shaanxi Province

KANG Cheng-xin; LI Xin-bin; SUN Jun-gang; Gao Qi; YAN Jing-jing; XI Jun-sheng; ZHANG Chong

doi:10.13686/j.cnki.dzyzy.2024.03.015

2024 Vol. 33, No. 3

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Article navigation > Geology and Resources > 2024 > 33(3): 387-396

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KANG Cheng-xin, LI Xin-bin, SUN Jun-gang, Gao Qi, YAN Jing-jing, XI Jun-sheng, ZHANG Chong. IMPORTANCE EVALUATION OF ECOLOGICAL PROTECTION FOR TERRITORIAL SPATIAL PLANNING: A Case Study of Hancheng City, Shaanxi Province[J]. Geology and Resources, 2024, 33(3): 387-396. doi: 10.13686/j.cnki.dzyzy.2024.03.015

Citation:

KANG Cheng-xin, LI Xin-bin, SUN Jun-gang, Gao Qi, YAN Jing-jing, XI Jun-sheng, ZHANG Chong. IMPORTANCE EVALUATION OF ECOLOGICAL PROTECTION FOR TERRITORIAL SPATIAL PLANNING: A Case Study of Hancheng City, Shaanxi Province[J]. Geology and Resources, 2024, 33(3): 387-396. doi: 10.13686/j.cnki.dzyzy.2024.03.015

IMPORTANCE EVALUATION OF ECOLOGICAL PROTECTION FOR TERRITORIAL SPATIAL PLANNING: A Case Study of Hancheng City, Shaanxi Province

Xi'an Center of Mineral Resources Survey, CGS, Xi'an 710100, China

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Corresponding author: LI Xin-bin, lixinbin@mail.cgs.gov.cn

Received Date: 04 November 2022

Revised Date: 11 November 2022

Publish Date: 25 June 2024

Abstract

Abstract

Combined with the characteristics of natural resources endowment and ecological environment in Hancheng City, multiple types of basic data are used to progressively construct an evaluation system of ecological protection importance based on the ecosystem service function and ecological sensitivity indexes as well as their secondary indexes, which provides theoretical basis for the territorial spatial planning and scientific delineation of ecological protection redline in Hancheng City. The results show that the high-level area of ecosystem service function is 442.00 km², dominated by biodiversity conservation function. The high-level area of ecological sensitivity accounts for 45.46% of the total area of Hancheng City, with land sandification and rock desertification playing the leading role. The high-level area of ecological protection accounts for 52.51% of the total area the city, showing an expanding trend to east and south from the Huanglong Mountain Nature Reserve. The soil sandification, rock desertification and biodiversity conservation function have great impact on the importance of ecological conservation.
- ecological protection /
- ecosystem service function /
- ecological sensitivity /
- territorial spatial planning /
- maximum factor method /
- Shaanxi Province

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References

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