Fractal features of soil particle size distributions and their potential as an indicator of Robinia pseudoacacia invasion1
Abstract To study the fractal dimensions of the soil particle size distributions (PSDs) within different plantations (of Pinus densiflora, Quercus acutissima, Robinia pseudoacacia, and Larix kaempferi) and evaluate PSDs as an indicator of the likelihood of Robinia pseudoacacia invasion, the soil por...
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2018
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oai:doaj.org-article:2d7beb3d067f468d807ee1d833db87532021-12-02T15:08:37ZFractal features of soil particle size distributions and their potential as an indicator of Robinia pseudoacacia invasion110.1038/s41598-018-25543-02045-2322https://doaj.org/article/2d7beb3d067f468d807ee1d833db87532018-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-25543-0https://doaj.org/toc/2045-2322Abstract To study the fractal dimensions of the soil particle size distributions (PSDs) within different plantations (of Pinus densiflora, Quercus acutissima, Robinia pseudoacacia, and Larix kaempferi) and evaluate PSDs as an indicator of the likelihood of Robinia pseudoacacia invasion, the soil porosity of 0–20 cm soil layers was measured at different plantations in the Yaoxiang Forest Farm, Shandong Province, China. The results showed that the fractal dimension (D m) values varied from 2.59 to 2.70 among the different plantations and were significantly negatively correlated to sand content and positively correlated to silt content and clay content. Significant negative correlations were observed between D m and both soil organic matter (SOM) (P < 0.05) and available phosphorus (P < 0.01). The multifractal entropy dimension (D 1) and entropy dimension/capacity dimension (D 1/D 0) parameters were not significantly correlated with SOM, although significant correlations were found between SOM and each of D 0, Δα, and Δf(α). Compared with the other plantations, the Robinia pseudoacacia plantation had higher nutrient contents, higher D 0 and D 1 values and lower D m values. Based on principal component analysis (PCA) ordination, we concluded that Robinia pseudoacacia and Pinus densiflora shared a similar habitat and that Robinia pseudoacacia is more likely to invade Pinus densiflora plantations for soil.Kun LiHuanxiang YangXu HanLingyu XueYang LvJinhua LiZhanyong FuChuanrong LiWeixing ShenHuiling GuoYikun ZhangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-13 (2018) |
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Medicine R Science Q Kun Li Huanxiang Yang Xu Han Lingyu Xue Yang Lv Jinhua Li Zhanyong Fu Chuanrong Li Weixing Shen Huiling Guo Yikun Zhang Fractal features of soil particle size distributions and their potential as an indicator of Robinia pseudoacacia invasion1 |
description |
Abstract To study the fractal dimensions of the soil particle size distributions (PSDs) within different plantations (of Pinus densiflora, Quercus acutissima, Robinia pseudoacacia, and Larix kaempferi) and evaluate PSDs as an indicator of the likelihood of Robinia pseudoacacia invasion, the soil porosity of 0–20 cm soil layers was measured at different plantations in the Yaoxiang Forest Farm, Shandong Province, China. The results showed that the fractal dimension (D m) values varied from 2.59 to 2.70 among the different plantations and were significantly negatively correlated to sand content and positively correlated to silt content and clay content. Significant negative correlations were observed between D m and both soil organic matter (SOM) (P < 0.05) and available phosphorus (P < 0.01). The multifractal entropy dimension (D 1) and entropy dimension/capacity dimension (D 1/D 0) parameters were not significantly correlated with SOM, although significant correlations were found between SOM and each of D 0, Δα, and Δf(α). Compared with the other plantations, the Robinia pseudoacacia plantation had higher nutrient contents, higher D 0 and D 1 values and lower D m values. Based on principal component analysis (PCA) ordination, we concluded that Robinia pseudoacacia and Pinus densiflora shared a similar habitat and that Robinia pseudoacacia is more likely to invade Pinus densiflora plantations for soil. |
format |
article |
author |
Kun Li Huanxiang Yang Xu Han Lingyu Xue Yang Lv Jinhua Li Zhanyong Fu Chuanrong Li Weixing Shen Huiling Guo Yikun Zhang |
author_facet |
Kun Li Huanxiang Yang Xu Han Lingyu Xue Yang Lv Jinhua Li Zhanyong Fu Chuanrong Li Weixing Shen Huiling Guo Yikun Zhang |
author_sort |
Kun Li |
title |
Fractal features of soil particle size distributions and their potential as an indicator of Robinia pseudoacacia invasion1 |
title_short |
Fractal features of soil particle size distributions and their potential as an indicator of Robinia pseudoacacia invasion1 |
title_full |
Fractal features of soil particle size distributions and their potential as an indicator of Robinia pseudoacacia invasion1 |
title_fullStr |
Fractal features of soil particle size distributions and their potential as an indicator of Robinia pseudoacacia invasion1 |
title_full_unstemmed |
Fractal features of soil particle size distributions and their potential as an indicator of Robinia pseudoacacia invasion1 |
title_sort |
fractal features of soil particle size distributions and their potential as an indicator of robinia pseudoacacia invasion1 |
publisher |
Nature Portfolio |
publishDate |
2018 |
url |
https://doaj.org/article/2d7beb3d067f468d807ee1d833db8753 |
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