Soil Erosion Law of Young Plantations Under Different Forest Ground Clearing Methods

doi:10.13961/j.cnki.stbctb.2022.02.002

Home > Archive>Volume 42, Issue 2, 2022 >8-15. DOI:10.13961/j.cnki.stbctb.2022.02.002

Soil Erosion Law of Young Plantations Under Different Forest Ground Clearing Methods
DOI:
                        10.13961/j.cnki.stbctb.2022.02.002
                    
Author:
                        Li HuaLi Hua
Experimental Center of Tropical Forestry, Chinese Academy of Forestry, Pingxiang, Guangxi 532600, China;Guangxi Youyiguan Forest Ecosystem Research Station, Pingxiang, Guangxi 532600, China
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Lu LihuaLu Lihua
Experimental Center of Tropical Forestry, Chinese Academy of Forestry, Pingxiang, Guangxi 532600, China;Guangxi Youyiguan Forest Ecosystem Research Station, Pingxiang, Guangxi 532600, China
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Zheng LuZheng Lu
Experimental Center of Tropical Forestry, Chinese Academy of Forestry, Pingxiang, Guangxi 532600, China;Guangxi Youyiguan Forest Ecosystem Research Station, Pingxiang, Guangxi 532600, China
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Li ChaoyingLi Chaoying
Experimental Center of Tropical Forestry, Chinese Academy of Forestry, Pingxiang, Guangxi 532600, China
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Ming AngangMing Angang
Experimental Center of Tropical Forestry, Chinese Academy of Forestry, Pingxiang, Guangxi 532600, China;Guangxi Youyiguan Forest Ecosystem Research Station, Pingxiang, Guangxi 532600, China
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Zhang JihuiZhang Jihui
Experimental Center of Tropical Forestry, Chinese Academy of Forestry, Pingxiang, Guangxi 532600, China;Guangxi Youyiguan Forest Ecosystem Research Station, Pingxiang, Guangxi 532600, China
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Liu ShilingLiu Shiling
Experimental Center of Tropical Forestry, Chinese Academy of Forestry, Pingxiang, Guangxi 532600, China;Guangxi Youyiguan Forest Ecosystem Research Station, Pingxiang, Guangxi 532600, China
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Shu WeiweiShu Weiwei
Experimental Center of Tropical Forestry, Chinese Academy of Forestry, Pingxiang, Guangxi 532600, China;Guangxi Youyiguan Forest Ecosystem Research Station, Pingxiang, Guangxi 532600, China
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Clc Number:S157.1
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Abstract:

[Objective] In order to provide a theoretical guidance for the ecological management of plantations, the soil erosion law of young plantations under different forest ground clearing methods were investigated. [Methods] Based on the observation data of runoff plot from 2018 to 2020, the soil erosion laws between two forest ground clearing methods (control burning and no burning) in a clear-cutting site of 30-year-old Pinus massoniana plantation in Southern Guangxi Zhuang Autonomous Region were compared. [Results] ① The impacts of forest ground clearing method on the soil erosion decreased sharply with the increase of forest land restoration after burning. In the first two years after control burning, the amount of soil erosion was significantly higher in the control burning plots than in the no burning plots (p＜0.05). ② Control burning reduced the minimum rainfall for surface runoff, and with the increase of rainfall amount, the soil erosion at burning plots was significantly greater than that at the no burning plots. [Conclusion] In the clear-cutting site of Southern Guangxi Zhuang Autonomous Region, the soil erosion was mainly occurred in the first two years after control burning, thus it is crucial to prevent soil erosion during this period.

Key words:Southern Guangxi Zhuang Autonomous Region;rainfall characteristics;clear-cutting site of Pinus massoniana;control burning;no burning;soil erosion

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李华,卢立华,郑路,李朝英,明安刚,张继辉,刘士玲,舒韦维.不同清理方式下人工幼林地的水土流失规律[J].水土保持通报英文版,2022,42(2):8-15

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Received:August 20,2021
Revised:November 15,2021
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Online: May 26,2022
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