Response of surface-soil quality to secondary succession in karst areas in Southwest China: Case study on a limestone slope

Karst areas are fragile ecological environments facing serious soil quality problems. It is crucial to understand the surface-soil quality for ensuring the secondary succession of vegetation. In this study, four plots located on the same hill slope were selected, representing the four secondary succ...

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Bibliographic Details
Published in:Ecological engineering 2022-05, Vol.178, p.106581, Article 106581
Main Authors: Yan, Weihong, Zhou, Qiuwen, Peng, Dawei, Luo, Yingzhong, Chen, Meng, Lu, Yuan
Format: Article
Language:English
Subjects:
Agricultural land
Arable land
Biodegradation
Bulk density
Cambisols
Ecological succession
Environmental restoration
Grasslands
Karst
Karst areas
Land degradation
Land use
Limestone
Natural vegetation
Organic matter
Organic soils
Phosphorus
Porosity
Potassium
Restoration
Secondary succession
Shrubs
Soil
Soil density
Soil organic matter
Soil porosity
Soil quality
Soil quality index
Soils
Vegetation
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Summary:Karst areas are fragile ecological environments facing serious soil quality problems. It is crucial to understand the surface-soil quality for ensuring the secondary succession of vegetation. In this study, four plots located on the same hill slope were selected, representing the four secondary succession stages of arable land, grassland, shrubs, and secondary forest, respectively. The surface-soil quality during secondary succession is assessed using the minimum dataset method. The results show that secondary succession decreased soil bulk density and total potassium content (P 
ISSN:0925-8574
1872-6992
DOI:10.1016/j.ecoleng.2022.106581