Characteristics and community stabilities of the resource islands formed by Salix paraplesia shrubs in the mobile sandy land of the upper reaches of the Yellow River in Sichuan Province

This study comprehensively analyzes the physical and chemical properties of soil across different layers under Salix paraplesia shrubs, comparing these properties inside and outside the shrub canopies. It also examines species diversity and community stability in these areas, discussing the impact o...

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Main Authors: Li He, Miaomiao Su, Dechao Chen, Houyuan Zeng, Xuemei Huang, Honglin Li, Shilei Wu, Hang Song, Xue Jiang, Kejun Wu, Jingyu Yang, Wuxian Yan, Dongzhou Deng
Format: Article
Language:English
Published: Elsevier 2024-12-01
Series:Heliyon
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Online Access:http://www.sciencedirect.com/science/article/pii/S240584402416519X
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author Li He
Miaomiao Su
Dechao Chen
Houyuan Zeng
Xuemei Huang
Honglin Li
Shilei Wu
Hang Song
Xue Jiang
Kejun Wu
Jingyu Yang
Wuxian Yan
Dongzhou Deng
author_facet Li He
Miaomiao Su
Dechao Chen
Houyuan Zeng
Xuemei Huang
Honglin Li
Shilei Wu
Hang Song
Xue Jiang
Kejun Wu
Jingyu Yang
Wuxian Yan
Dongzhou Deng
author_sort Li He
collection DOAJ
description This study comprehensively analyzes the physical and chemical properties of soil across different layers under Salix paraplesia shrubs, comparing these properties inside and outside the shrub canopies. It also examines species diversity and community stability in these areas, discussing the impact of soil from resource islands at different formation stages on vegetation restoration. Focusing on Salix paraplesia shrubs over varying restoration periods (45 years, 25 years, and 13 years), with unrepaired mobile sandy land serving as the control, the results are as follows: (1) As vegetation restoration progresses, the content of soil organic matter (SOM) and alkali-hydrolyzable nitrogen (AN) significantly increase. After 45 years of restoration, SOM and AN contents are 250.08 % and 442.43 % higher than in the control. SOM, AN, and total phosphorus (TP) contents are greater under the shrubs than outside the canopies, indicating pronounced fertilizer accumulation. (2) The number of plant species increases during the restoration process, with 18 more species present after 45 years compared to the control. Community diversity is highest after 13 years of restoration, with greater overall diversity outside the canopies than under the shrubs. These differences decrease as restoration progresses. (3) The stability of Salix paraplesia shrub communities is higher outside the canopies compared to under the shrubs. As restoration proceeds, stability differences between these areas diminish. The Euclidean distances for community stability outside and under the canopies are 13.97 and 14.68, respectively, after 45 years, indicating relative stability. (4) In the early stages of restoration, soil carbon (C) and nitrogen (N) significantly impact species diversity, while in the later stages, phosphorus (P) content becomes more limiting. Resource islands enhance plant community stability and vegetation restoration, playing a crucial role in ecological protection and vegetation restoration in the alpine sandy land of the Yellow River's upper reaches.
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publisher Elsevier
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spelling doaj-art-532b4228e34944ba89a63dfbfa3a9d632025-08-20T02:38:21ZengElsevierHeliyon2405-84402024-12-011023e4048810.1016/j.heliyon.2024.e40488Characteristics and community stabilities of the resource islands formed by Salix paraplesia shrubs in the mobile sandy land of the upper reaches of the Yellow River in Sichuan ProvinceLi He0Miaomiao Su1Dechao Chen2Houyuan Zeng3Xuemei Huang4Honglin Li5Shilei Wu6Hang Song7Xue Jiang8Kejun Wu9Jingyu Yang10Wuxian Yan11Dongzhou Deng12Sichuan Academy of Forestry, Chengdu, 610081, China; Sichuan Provincial Forestry and Grassland Key Laboratory of Combating Desertilicatlon, Chengdu, 610081, ChinaTibet Autonomous Region Institute of Science and Technology Information, Tibet, 850000, ChinaSichuan Academy of Forestry, Chengdu, 610081, China; Sichuan Provincial Forestry and Grassland Key Laboratory of Combating Desertilicatlon, Chengdu, 610081, ChinaCollege of Life Science and Biotechnology, Mianyang Normal University, Mianyang, 621000, ChinaSichuan Academy of Forestry, Chengdu, 610081, China; Sichuan Provincial Forestry and Grassland Key Laboratory of Combating Desertilicatlon, Chengdu, 610081, ChinaSichuan Academy of Forestry, Chengdu, 610081, China; Sichuan Provincial Forestry and Grassland Key Laboratory of Combating Desertilicatlon, Chengdu, 610081, ChinaSichuan Academy of Forestry, Chengdu, 610081, China; Sichuan Provincial Forestry and Grassland Key Laboratory of Combating Desertilicatlon, Chengdu, 610081, ChinaCollege of Life Science and Biotechnology, Mianyang Normal University, Mianyang, 621000, ChinaEngineering Research Center for Forest and Grassland Disaster Prevention and Reduction, Mianyang Normal University, Mianyang, 621000, ChinaSichuan Academy of Forestry, Chengdu, 610081, China; Sichuan Provincial Forestry and Grassland Key Laboratory of Combating Desertilicatlon, Chengdu, 610081, ChinaSichuan Academy of Forestry, Chengdu, 610081, China; Sichuan Provincial Forestry and Grassland Key Laboratory of Combating Desertilicatlon, Chengdu, 610081, ChinaSichuan Academy of Forestry, Chengdu, 610081, China; Sichuan Provincial Forestry and Grassland Key Laboratory of Combating Desertilicatlon, Chengdu, 610081, ChinaSichuan Academy of Forestry, Chengdu, 610081, China; Sichuan Provincial Forestry and Grassland Key Laboratory of Combating Desertilicatlon, Chengdu, 610081, China; Corresponding author. Sichuan Academy of Forestry, Chengdu, 610081, China.This study comprehensively analyzes the physical and chemical properties of soil across different layers under Salix paraplesia shrubs, comparing these properties inside and outside the shrub canopies. It also examines species diversity and community stability in these areas, discussing the impact of soil from resource islands at different formation stages on vegetation restoration. Focusing on Salix paraplesia shrubs over varying restoration periods (45 years, 25 years, and 13 years), with unrepaired mobile sandy land serving as the control, the results are as follows: (1) As vegetation restoration progresses, the content of soil organic matter (SOM) and alkali-hydrolyzable nitrogen (AN) significantly increase. After 45 years of restoration, SOM and AN contents are 250.08 % and 442.43 % higher than in the control. SOM, AN, and total phosphorus (TP) contents are greater under the shrubs than outside the canopies, indicating pronounced fertilizer accumulation. (2) The number of plant species increases during the restoration process, with 18 more species present after 45 years compared to the control. Community diversity is highest after 13 years of restoration, with greater overall diversity outside the canopies than under the shrubs. These differences decrease as restoration progresses. (3) The stability of Salix paraplesia shrub communities is higher outside the canopies compared to under the shrubs. As restoration proceeds, stability differences between these areas diminish. The Euclidean distances for community stability outside and under the canopies are 13.97 and 14.68, respectively, after 45 years, indicating relative stability. (4) In the early stages of restoration, soil carbon (C) and nitrogen (N) significantly impact species diversity, while in the later stages, phosphorus (P) content becomes more limiting. Resource islands enhance plant community stability and vegetation restoration, playing a crucial role in ecological protection and vegetation restoration in the alpine sandy land of the Yellow River's upper reaches.http://www.sciencedirect.com/science/article/pii/S240584402416519XSalix paraplesiaResource IslandSpecies diversityCommunity stabilityMobile sandy land
spellingShingle Li He
Miaomiao Su
Dechao Chen
Houyuan Zeng
Xuemei Huang
Honglin Li
Shilei Wu
Hang Song
Xue Jiang
Kejun Wu
Jingyu Yang
Wuxian Yan
Dongzhou Deng
Characteristics and community stabilities of the resource islands formed by Salix paraplesia shrubs in the mobile sandy land of the upper reaches of the Yellow River in Sichuan Province
Heliyon
Salix paraplesia
Resource Island
Species diversity
Community stability
Mobile sandy land
title Characteristics and community stabilities of the resource islands formed by Salix paraplesia shrubs in the mobile sandy land of the upper reaches of the Yellow River in Sichuan Province
title_full Characteristics and community stabilities of the resource islands formed by Salix paraplesia shrubs in the mobile sandy land of the upper reaches of the Yellow River in Sichuan Province
title_fullStr Characteristics and community stabilities of the resource islands formed by Salix paraplesia shrubs in the mobile sandy land of the upper reaches of the Yellow River in Sichuan Province
title_full_unstemmed Characteristics and community stabilities of the resource islands formed by Salix paraplesia shrubs in the mobile sandy land of the upper reaches of the Yellow River in Sichuan Province
title_short Characteristics and community stabilities of the resource islands formed by Salix paraplesia shrubs in the mobile sandy land of the upper reaches of the Yellow River in Sichuan Province
title_sort characteristics and community stabilities of the resource islands formed by salix paraplesia shrubs in the mobile sandy land of the upper reaches of the yellow river in sichuan province
topic Salix paraplesia
Resource Island
Species diversity
Community stability
Mobile sandy land
url http://www.sciencedirect.com/science/article/pii/S240584402416519X
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