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Ecosystem carbon and nitrogen storage following farmland afforestation with black locust (Robinia pseudoacacia) on the Loess Plateau, China
Guangqi Zhang1; Ping Zhang1; Yang Cao2,3; Cao, Y (reprint author), Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Peoples R China.; Cao, Y (reprint author), Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, Yangling 712100, Peoples R China.
SubtypeArticle
2018
Source PublicationJOURNAL OF FORESTRY RESEARCH
ISSN1007-662X
description.correspondentemailyang.cao@nwsuaf.edu.cn
Volume29Issue:3Pages:761-771
AbstractAlthough afforestation of farmlands has been proposed as an effective method of carbon (C) sequestration, there remain uncertainties that deter us from developing a clear picture of C stocks in plantation ecosystems. This study investigated the dynamics of stand structure and plant diversity, and C and nitrogen (N) pools in trees, herbs, litter, and soil (0-100 cm depth) in black locust plantations aged 9, 17, 30, and 37 years, and in newly abandoned farmlands as pre-afforestation sites, on the Loess Plateau, China. Stand density decreased significantly, while tree diameter at breast height and height increased during stand development. The dominant species of the herb layer differed with age. Afforestation resulted in slight increases in tree C and N storage in plantations from 9 to 30 years of age, and then significantly increased from 30 to 37 years. Compared to pre-afforestation, C and N storage in soil decreased to minimum values in stands aged 17 and 9 years, respectively. The soil re-accumulated C and N during stand development, attaining equilibrium levels similar to those in pre-afforestation when stands reached about 30 years of age. Soil C and N storage in 37-year stands were 29 and 16% higher, respectively, than in pre-afforestation levels. However, C and N concentrations in the subsoil (20-40 cm) were still less than the pre-afforestation levels for stands of all ages (from 9 to 37 years). The relative contribution to the total ecosystem C and N pools increased in trees and decreased in soil during the observed period. Our results indicate that afforestation reduced soil C and N storage during the early stages of stand development. We conclude that the growing phase of an afforested stand over its initial 30 years is important for C and N sequestration by black locust due to the C and N storage that result from recovered soil quality and an increase in tree biomass.
KeywordAfforestation Biomass Carbon Content Plantation Ecosystem Nitrogen Sequestration
Subject AreaForestry
DOI10.1007/s11676-017-0479-3
Indexed BySCI
Publication PlaceNO 26 HEXING RD, XIANGFANG DISTRICT, HARBIN, 150040, PEOPLES R CHINA
Language英语
WOS IDWOS:000428936400020
PublisherNORTHEAST FORESTRY UNIV
Funding OrganizationNational Nature Science Foundation of China [41201088, 41371506, 41601058] ; National Nature Science Foundation of China [41201088, 41371506, 41601058]
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iswc.ac.cn/handle/361005/8262
Collection水保所科研产出--SCI_2018--SCI
Corresponding AuthorCao, Y (reprint author), Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Peoples R China.; Cao, Y (reprint author), Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, Yangling 712100, Peoples R China.
Affiliation1.Northwest A&F Univ, Coll Forestry, Yangling 712100, Peoples R China
2.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Peoples R China
3.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, Yangling 712100, Peoples R China
Recommended Citation
GB/T 7714
Guangqi Zhang,Ping Zhang,Yang Cao,et al. Ecosystem carbon and nitrogen storage following farmland afforestation with black locust (Robinia pseudoacacia) on the Loess Plateau, China[J]. JOURNAL OF FORESTRY RESEARCH,2018,29(3):761-771.
APA Guangqi Zhang,Ping Zhang,Yang Cao,Cao, Y ,&Cao, Y .(2018).Ecosystem carbon and nitrogen storage following farmland afforestation with black locust (Robinia pseudoacacia) on the Loess Plateau, China.JOURNAL OF FORESTRY RESEARCH,29(3),761-771.
MLA Guangqi Zhang,et al."Ecosystem carbon and nitrogen storage following farmland afforestation with black locust (Robinia pseudoacacia) on the Loess Plateau, China".JOURNAL OF FORESTRY RESEARCH 29.3(2018):761-771.
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