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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Autores principales: Kun Li, Huanxiang Yang, Xu Han, Lingyu Xue, Yang Lv, Jinhua Li, Zhanyong Fu, Chuanrong Li, Weixing Shen, Huiling Guo, Yikun Zhang
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Publicado: Nature Portfolio 2018
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spelling 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)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle 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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