Arid
DOI10.1016/j.foreco.2016.05.025
The effect of Robinia pseudoacacia afforestation on soil and vegetation properties in the Loess Plateau (China): A chronosequence approach
Kou, Meng1,2; Garcia-Fayos, Patricio3; Hu, Shu4; Jiao, Juying1,2,4
通讯作者Jiao, Juying
来源期刊FOREST ECOLOGY AND MANAGEMENT
ISSN0378-1127
EISSN1872-7042
出版年2016
卷号375页码:146-158
英文摘要

Revegetation is one of the primary management approaches for solving the problems caused by severe soil erosion worldwide. Robinia pseudoacacia was considered a promising tree for afforestation in the highly eroded region of the Loess Plateau due to its fast growth and ability to fix atmospheric nitrogen. However, its beneficial role protecting soils from erosion has been now questioned and several negative effects on soil and vegetation have been described. In this study we aimed to analyze the effects of R. pseudoacacia plantation on plant community composition and dynamics through the effects that R. pseudoacacia has on light, soil fertility and soil water availability. We used a chronosequence from 10-40 year-old plantations and compared the environmental and vegetation characteristics of that areas with that of natural control areas with similar age. The results showed that R. pseudoacacia plantations reached maturity around 30 years and then declined in density and canopy cover. We also found that soil nutrients and moisture at the superficial soil layer improved with age until maturity of plantations, but photosynthetically active radiation at the ground level and soil moisture at deeper soil layers decreased with maturity in relation to control conditions. Plots with R. pseudoacacia of all ages had higher cover values, lower number of species but higher beta-diversity values than control conditions and they also differed in species composition. These differences in structure and species composition were related to the fertilizer effect of R. pseudoacacia that favored colonization by weeds and ruderal species, and to the light interception by the canopy of trees that exclude light-demanding species, most of them perennial herbaceous species which were the dominant species in control conditions. (C) 2016 Elsevier B.V. All rights reserved.


英文关键词Desertification Soil nutrients Soil moisture dynamics Photosynthetically active radiation Species composition beta-diversity
类型Article
语种英语
国家Peoples R China ; Spain
收录类别SCI-E
WOS记录号WOS:000379886900015
WOS关键词GULLY REGION ; EROSION ; FOREST ; DESICCATION ; DIVERSITY ; IMPACT ; TREE ; L. ; CONSERVATION ; RESTORATION
WOS类目Forestry
WOS研究方向Forestry
来源机构西北农林科技大学
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/192999
作者单位1.Chinese Acad Sci, Inst Soil & Water Conservat, State Key Lab Soil Eros & Thyland Fanning Loess P, Yangling 712100, Shaanxi, Peoples R China;
2.Minist Water Resources, Yangling 712100, Shaanxi, Peoples R China;
3.UV, GV, CSIC, Ctr Invest Sobre Desertificac, Moncada, Spain;
4.Northwest Agr & Forest Univ, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China
推荐引用方式
GB/T 7714
Kou, Meng,Garcia-Fayos, Patricio,Hu, Shu,et al. The effect of Robinia pseudoacacia afforestation on soil and vegetation properties in the Loess Plateau (China): A chronosequence approach[J]. 西北农林科技大学,2016,375:146-158.
APA Kou, Meng,Garcia-Fayos, Patricio,Hu, Shu,&Jiao, Juying.(2016).The effect of Robinia pseudoacacia afforestation on soil and vegetation properties in the Loess Plateau (China): A chronosequence approach.FOREST ECOLOGY AND MANAGEMENT,375,146-158.
MLA Kou, Meng,et al."The effect of Robinia pseudoacacia afforestation on soil and vegetation properties in the Loess Plateau (China): A chronosequence approach".FOREST ECOLOGY AND MANAGEMENT 375(2016):146-158.
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