globalchange  > 影响、适应和脆弱性
DOI: 10.1016/j.foreco.2016.05.025
Scopus ID: 2-s2.0-84973320243
Title:
The effect of Robinia pseudoacacia afforestation on soil and vegetation properties in the Loess Plateau (China): A chronosequence approach
Author: Kou M.; Garcia-Fayos P.; Hu S.; Jiao J.
Source Publication: Forest Ecology and Management
ISSN:  0378-1127
Publishing Year: 2016
Volume: 375
pages begin: 146
pages end: 158
Language: 英语
Keyword: Desertification ; Photosynthetically active radiation ; Soil moisture dynamics ; Soil nutrients ; Species composition ; β-diversity
Scopus Keyword: Erosion ; Fertilizers ; Forestry ; Landforms ; Moisture ; Nutrients ; Plants (botany) ; Reforestation ; Revegetation ; Sediments ; Soil conservation ; Soil moisture ; Vegetation ; Desertification ; Photosynthetically active radiation ; Soil moisture dynamics ; Soil nutrients ; Species composition ; Soils ; afforestation ; chronosequence ; colonization ; community composition ; deciduous tree ; desertification ; photosynthetically active radiation ; plant community ; plantation forestry ; soil erosion ; soil fertility ; soil moisture ; China ; Loess Plateau ; Robinia pseudoacacia
English Abstract: 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 β-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. © 2016 Elsevier B.V.
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被引频次[WOS]:27   [查看WOS记录]     [查看WOS中相关记录]
Document Type: 期刊论文
Identifier: http://119.78.100.158/handle/2HF3EXSE/64847
Appears in Collections:影响、适应和脆弱性

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Affiliation: State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi, China; Centro de Investigaciones sobre Desertificación (CSIC, UV, GV), Moncada, Spain; Institute of Soil and Water Conservation, Northwest Agriculture and Forest University, Yangling, Shaanxi, China

Recommended Citation:
Kou M.,Garcia-Fayos P.,Hu S.,et al. The effect of Robinia pseudoacacia afforestation on soil and vegetation properties in the Loess Plateau (China): A chronosequence approach[J]. Forest Ecology and Management,2016-01-01,375
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