IMHE OpenIR  > 山地表生过程与生态调控重点实验室
Links between plant diversity, carbon stocks and environmental factors along a successional gradient in a subalpine coniferous forest in Southwest China
Zhang Yuanbin; Baoli Duan; JunRen Xian; Helena Korpelainen; Chunyang Li
Corresponding AuthorChunyang Li
2011
Source PublicationForest Ecology and Management
ISSN0378-1127
Volume262Issue:3Pages:361-369
Abstract

In all, 48 sites of subalpine coniferous forest that had undergone natural regeneration for 5–310 years were selected as study locations in the Southwest China. We compared species richness (S), plant diversity (Shannon–Wiener index, H0; Margalef index, R), and above- and below-ground ecosystem carbon (C) pools of six plant communities along a chronosequence of vegetation restoration, and we also examined evidence for a functional relationship between plant diversity and C storage. Our results showed that above-ground C increased significantly (over 52-fold), mainly due to the increase of C in aboveground living plants and surface litter. Soil organic carbon (SOC) content increased from the herb community type (dominated by Deyeuxia scabrescens, P1) to mixed forest type (dominated by Betula spp. and Abies faxoniana,
P4), which constituted the main C pool of the system (63–89%), but decreased thereafter (communities P5–P6). The mean C stock in the whole ecosystem – trees, litter layer and mineral soil – ranged from 105 to 730 Mg C ha1 and was especially high in the spruce forest community type (dominated by Picea purpurea, P6). On the other hand, the relationships between C stocks (soil, aboveground) and mean annual temperature or altitude were generally weak (P > 0.05). Moreover, we did not detect a relationship between S and aboveground C storage, while we found a significant negative relationship between H0 , R and aboveground C storage. In addition, our experiment demonstrated that total root biomass and litter C/N ratio were significant functional traits influencing SOC, while S, R, and H0 had little effect. Path analysis also revealed that litter C/N ratio predominantly regulated SOC through changes in the quantity of microorganisms and soil invertase enzyme activity.

KeywordChronosequence Plant Diversity Relationshio Between c Storage And Diversity Soil c Stock Subalpine Coniferous Forest
Subject Area生态学 ; 林学
DOI10.1016/j.foreco.2011.03.042
Indexed BySCI
Language英语
Quartile2区
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Cited Times:32[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/4575
Collection山地表生过程与生态调控重点实验室
Recommended Citation
GB/T 7714
Zhang Yuanbin,Baoli Duan,JunRen Xian,et al. Links between plant diversity, carbon stocks and environmental factors along a successional gradient in a subalpine coniferous forest in Southwest China[J]. Forest Ecology and Management,2011,262(3):361-369.
APA Zhang Yuanbin,Baoli Duan,JunRen Xian,Helena Korpelainen,&Chunyang Li.(2011).Links between plant diversity, carbon stocks and environmental factors along a successional gradient in a subalpine coniferous forest in Southwest China.Forest Ecology and Management,262(3),361-369.
MLA Zhang Yuanbin,et al."Links between plant diversity, carbon stocks and environmental factors along a successional gradient in a subalpine coniferous forest in Southwest China".Forest Ecology and Management 262.3(2011):361-369.
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