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Discussion papers
https://doi.org/10.5194/soil-2019-10
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/soil-2019-10
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Original research article 03 May 2019

Original research article | 03 May 2019

Review status
This discussion paper is a preprint. It is a manuscript under review for the journal SOIL (SOIL).

Changes in soil properties in a low-quality broadleaf mixed forest after cutting strip reforms in a 9-year period in Northeastern China

Huiwen Guan, Xibin Dong, Tian Zhang, Yuan Meng, Jiafu Ruan, and Zhiyong Wang Huiwen Guan et al.
  • Key Laboratory of Sustainable Forest Management and Environmental Microorganism Engineering of Heilongjiang Province, Northeast Forestry University, Harbin,150040, China

Abstract. Strip reforms with widths of 6 m, 10 m, 14 m and 18 m were carried out in a low-quality broadleaf mixed forest in Greater Khingan Mountains. The influence of time on soil properties, including physical and chemical properties, were analysed on the basis of data of the soil components obtained from nine consecutive years (from 2010 to 2018). In the meantime, a principal component analysis was used to determine the weight of each soil indicator, and the fuzzy comprehensive index method was applied to provide further insight into the variation of soil quality. We found that most soil physical properties were damaged by cutting within 3 years and can be restored after 6 years. Over the 9 years, soil physical properties displayed some differences across cutting strip widths, while chemical properties did not display any differences. In terms of chemical properties, they need more time to recover. In view of the current research years, the soil quality could not be restored in the 18-m harvesting zone within nine years. The cutting width of 10 m is more obvious than that of other transformation widths, so 10 m is the best width for cutting strips for the forest. This study has important implications for sustainable management of the mixed natural broadleaf forest in the study region and beyond. A larger width of the cutting strip in this type of forest in the region should be avoided. Moreover, for forest soil conditions, we need to continue long-term observations.

Huiwen Guan et al.
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Status: final response (author comments only)
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Latest update: 20 Jul 2019
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Short summary
The results show that most soil physical properties were damaged by cutting within 3 years and can be restored after 6 years. Over the 9 years, soil physical properties displayed some differences across cutting strip widths, while chemical properties did not display any differences. In view of the current research years, the soil quality could not be restored in the 18-m harvesting zone within nine years. The cutting width of 10 m is more obvious than that of other transformation widths.
The results show that most soil physical properties were damaged by cutting within 3 years and...
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