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Humus soil as a critical driver of flora conversion on karst rock outcrops
Zhu, Xiai; Shen, Youxin; He, Beibei; Zhao, Zhimeng; Shen, YX (reprint author), Chinese Acad Sci, Key Lab Trop Forest Ecol, Xishuangbanna Trop Bot Garden, Kunming 650223, Yunnan, Peoples R China.
2017
Source PublicationSCIENTIFIC REPORTS
ISSN2045-2322
Volume7Issue:xPages:-
AbstractRock outcrop is an important habitat supporting plant communities in karst landscape. However, information on the restoration of higher biotic populations on outcrops is limited. Here, we investigated the diversity, biomass changes of higher vascular plants (VP) and humus soil (HS) on karst outcrops during a restoration process. We surveyed VP on rock outcrops and measured HS reserved by various rock microhabitats in a rock desertification ecosystem (RDE), an anthropogenic forest ecosystem (AFE), and a secondary forest ecosystem (SFE) in Shilin County, southwest China. HS metrics (e.g. quantity and nutrients content) and VP metrics (e.g. richness, diversity and biomass) were higher at AFE than at RDE, but lower than at SFE, suggesting that the restoration of soil subsystem vegetation increased HS properties and favored the succession of VP on rock outcrops. There was significantly positive correlation between VP metrics and HS amount, indicating that the succession of VP was strongly affected by availability and heterogeneity of HS in various rock microhabitats. Thus, floral succession of rock subsystem was slow owing to the limited resources on outcrops, although the vegetation was restored in soil subsystem.
Department其他
Language英语
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/10670
Collection恢复生态学组
Corresponding AuthorShen, YX (reprint author), Chinese Acad Sci, Key Lab Trop Forest Ecol, Xishuangbanna Trop Bot Garden, Kunming 650223, Yunnan, Peoples R China.
Recommended Citation
GB/T 7714
Zhu, Xiai,Shen, Youxin,He, Beibei,et al. Humus soil as a critical driver of flora conversion on karst rock outcrops[J]. SCIENTIFIC REPORTS,2017,7(x):-.
APA Zhu, Xiai,Shen, Youxin,He, Beibei,Zhao, Zhimeng,&Shen, YX .(2017).Humus soil as a critical driver of flora conversion on karst rock outcrops.SCIENTIFIC REPORTS,7(x),-.
MLA Zhu, Xiai,et al."Humus soil as a critical driver of flora conversion on karst rock outcrops".SCIENTIFIC REPORTS 7.x(2017):-.
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