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Can agricultural biomass energy provide an alternative energy source for karst rocky desertification areas in Southwestern China? investigating Guizhou Province as example

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Abstract

Karst in southwestern China forms a rocky desertification area with a particularly vulnerable ecological environment. Studying the potential of agricultural available biomass energy in this region is of great significance for the construction of the rural energy industry and ecological environment protection in karst mountains. This study investigated three regions with different degrees of rocky desertification in the karst mountains of southwestern China. The characteristics of rural energy consumption and their impact on the ecology of Karst region were analyzed. Moreover, the total available agricultural biomass energy resources in the study area were estimated via residue to product ratio, ecological returning coefficient, collection coefficient, conversion coefficient, and by-product coefficient. The research results indicate that the fragile karst ecological environment and the over-consumption of fuelwood resources are the most important reasons for the evolution of rocky desertification in this region, which exposes karst rocky desertification areas and increases the risk of rocky desertification. Given abundant agricultural biomass energy reserves in karst regions of southwestern China, promoting biomass energy as an alternative for fuelwood carries great significance for ecological protection of karst regions. This can serve as an important measure to promote ecological restoration in karst rocky desertification areas.

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Funding

This paper was supported by the Karst plateau canyon rocky desertification comprehensive control and scale management technology and demonstration of ecological industry (2016YFC0502603), Project of National “Thirteenth Five-year” Key Research and Development Programme. Doctoral Research Initiation Fund of Guizhou Normal University (0514168). Study on carrying capacity of biomass energy consumption in karst rocky desertification area (Qiankehe LH[2017]7365).

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Qi Wang carried out the field survey work of energy consumption status quo of study areas. Qiming Wu mapped all the figures of the manuscript. Kangning Xiong puts forward analysis methods of the coupling relationship analysis between the rocky desertification and energy consumption in this paper, modified the manuscript. Bin Ying presided over the research, analyses the energy reserves, and consumption situation of study areas, who was a major contributor in writing the manuscript. All authors read and approved the final manuscript.

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Correspondence to Bin Ying.

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The authors declare no competing interests.

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Responsible editor: Philippe Garrigues

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Ying, B., Xiong, K., Wang, Q. et al. Can agricultural biomass energy provide an alternative energy source for karst rocky desertification areas in Southwestern China? investigating Guizhou Province as example. Environ Sci Pollut Res 28, 44315–44331 (2021). https://doi.org/10.1007/s11356-021-12537-1

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  • DOI: https://doi.org/10.1007/s11356-021-12537-1

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