Relationships between lithology, topography, soil, and vegetation, and their implications for karst vegetation restoration

被引：64

作者：

Zhong, Feixia ^{[1
]}

Xu, Xianli ^{[1
]}

Li, Zhenwei ^{[1
]}

Zeng, Xiangming ^{[1
,2
]}

Yi, Ruzhou ^{[1
,2
]}

Luo, Wei ^{[1
,2
]}

Zhang, Yaohua ^{[1
,2
]}

Xu, Chaohao ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Inst Subtrop Agr, Key Lab Agroecol Proc Subtrop Reg, Huanjiang Observat & Res Stn Karst Ecosyst, Changsha 410125, Hunan, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

CATENA | 2022年 / 209卷

基金：

中国国家自然科学基金;

关键词：

Earth's Critical Zone; Landscape ecology; Ecological protection and restoration; Karst ecosystems; Ecohydrology; ORGANIC-CARBON; LAND-USE; SPATIAL HETEROGENEITY; CHINA KARST; AREA; LANDSCAPES; NUTRIENTS; GROWTH; FOREST; RIVER;

D O I：

10.1016/j.catena.2021.105831

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Excessive human disturbance in karst area has caused serious degradation of soil and vegetation. Understandings of the relationships between lithology, topography, soil, and vegetation are important for ecosystem restoration and management in karst areas. However, it is challenging to clarify the complex relationships and determine the key factors for practical purposes. By jointly applying several multivariate statistical techniques based on 53 field vegetation survey plots on two karst lithologies, this study aimed to reveal the relationships between lithology, topography, soil, and vegetation characteristics for karst landscapes. Results showed that vegetation types had a significant influence on vegetation height (VH), leaf area index (LAI), and soil organic carbon (SOC), while lithologies had a significant influence on LAI and soil water content (SWC). Moreover, the key factors influencing limestone vegetation restoration were elevation (ELE) and SOC, and the dominant factors controlling dolomite vegetation restoration were soil thickness (ST) and SOC. Therefore, ecosystem restoration and management in karst landscapes need to consider differences in lithologies.

引用

页数：9

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