Soil Erosion and Its Response to Agroforestry Restoration

A special issue of Land (ISSN 2073-445X). This special issue belongs to the section "Land, Soil and Water".

Deadline for manuscript submissions: 31 December 2024 | Viewed by 856

Special Issue Editors


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Guest Editor
College of Resources Science, Sichuan Agricultural University, Chengdu 611130, China
Interests: soil erosion and soil and water conservation; nutrient loss and environmental effects; soil ecology and bioremediation

E-Mail Website
Guest Editor
Changjiang River Scientific Research Institute, Wuhan 430010, China
Interests: soil erosion and soil and water conservation
Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610299, China
Interests: soil erosion and soil and water conservation

Special Issue Information

Dear Colleagues,

Understanding the nature and development of soil degradation, preventing and controlling soil degradation at different scales and levels, ensuring food security, and maintaining ecological and environmental health have become important issues of public concern. Soil erosion is an important land degradation problem in the world. Agroforestry is a type of management pattern combining agriculture and forestry, aiming to realize its synergistic development, improve the efficient utilization of land resources, and protect the ecological environment. Agroforestry can not only meet people’s demand for commodities such as food and forestry but also promote the restoration and sustainable development of ecosystems. Agroforestry does not only produces food that is at scale and more profitable but also uses agriculture or forestry to repair the environment and prevent soil erosion. However, in the process of implementing agricultural and forestry restoration measures, human high-intensity utilization, unreasonable planting, farming, fertilization, and other activities tend to lead to the imbalance of the soil ecological balance, the deterioration of environmental quality, the decline of regeneration capacity, and the decline of productivity, while still aggravating the risk of soil erosion.

Soil erosion is a complex problem that requires joint measures from governments, institutions, communities, and individuals to prevent and control soil erosion in a sustainable way. The goal of this Special Issue is to collect papers (original research articles and review papers) that give insight into the processes and mechanisms of soil erosion, methods of prevention, the effect of different agricultural and forestry restoration practices on soil erosion, and so on.

This Special Issue welcomes manuscripts that link to the following themes:

  • The processes and mechanisms of soil erosion in agroforestry areas;
  • Sustainable solutions and ways of preventing soil erosion;
  • The effect of different agricultural restoration practices on soil erosion;
  • The effect of different forestry restoration practices on soil erosion;
  • The effect of different land use types on soil erosion.

We look forward to receiving your original research articles and reviews.

Prof. Dr. Zicheng Zheng
Dr. Jigen Liu
Dr. Yuhai Bao
Guest Editors

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Keywords

  • soil erosion
  • agricultural restoration practices
  • forestry restoration practices
  • land degradation
  • sustainable land

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Published Papers (1 paper)

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Research

25 pages, 12187 KiB  
Article
Human and Natural Activities Effects on Soil Erosion in Karst Plateau Based on QAM Model: A Case Study of Bijie City, Guizhou Province, China
by Xiong Gao, Pingping Yang, Zhongfa Zhou, Jinqi Zhu and Changxin Yang
Land 2024, 13(11), 1841; https://doi.org/10.3390/land13111841 - 5 Nov 2024
Viewed by 591
Abstract
The Karst plateau region has a unique natural erosion environment and sharp human–land conflicts. This study selected Bijie City, Northwest Guizhou, as the study area. To quantitatively analyze the human and natural impacts on soil erosion in this area, this paper evaluated the [...] Read more.
The Karst plateau region has a unique natural erosion environment and sharp human–land conflicts. This study selected Bijie City, Northwest Guizhou, as the study area. To quantitatively analyze the human and natural impacts on soil erosion in this area, this paper evaluated the anthropogenic and natural soil erosion based on the Revised Universal Soil Loss Equation (RUSLE) coupled with the Quantitative Analytical Model (QAM). The results showed the following: (1) the total soil erosion modulus in the study area showed an increasing trend: 37.86 t/(ha·a) in 2010, 42.12 t/(ha·a) in 2015, and 48.67 t/(ha·a) in 2020; (2) human activities reduced soil erosion, with an anthropogenic soil erosion modulus of −13.79 t/(ha·a) in 2015 and −17.36 t/(ha·a) in 2020, indicating that human activities, such as projects of returning farmland to forests and rocky desertification control, played a key role in decreasing soil erosion in the study area.; and (3) the percentage of the area of soil erosion deterioration dominated by natural factors (AGN) is gradually decreasing, 89.47% in 2015 and 81.85% in 2020; the percentage of the area of soil erosion deterioration dominated by human activities (AGH) is increasing from 6.17% in 2015 to 13.80% in 2020; and the percentage of the area of soil erosion mitigation caused by human activities (ALH) and the area of soil erosion not affected by natural and human activities (NNH) showed no significant change. This result suggests more attention should be paid to the area of AGH to control soil erosion. This study analyzed the roles of natural factors as well as human activities in the Karst plateau, enriched the application scope of the QAM, and provided new ideas for theoretical research in this field. Full article
(This article belongs to the Special Issue Soil Erosion and Its Response to Agroforestry Restoration)
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