IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2017  > Vol14 No.8
Climatic and geographic factors affect ecosystem multifunctionality through biodiversity in the Tibetan alpine grasslands
PAN Ying; WU Jun-xi; LUO Li-ming; TU Yan-li; YU Cheng-qun; ZHANG Xian-zhou; MIAO Yan-jun; ZHAO Yan; YANG Jun-ling
Corresponding AuthorWU Jun-xi
2017-08
Source PublicationJournal of Mountain Science
ISSN1672-6316
Volume14Issue:8Pages:1604-1614
Subtype期刊论文
Abstract

Ecosystem multifunctionality (EMF), the simultaneous provision of multiple ecosystem functions, is often affected by biodiversity and environmental factors. We know little about how the interactions between biodiversity and environmental factors affect EMF. In this case study, a structural equation model was used to clarify climatic and geographic pathways that affect EMF by varying biodiversity in the Tibetan alpine grasslands. In addition to services related to carbon, nitrogen, and water cycling, forage supply, which is related to plant productivity and palatability, was included in the EMF index. The results showed that 72% of the variation in EMF could be explained by biodiversity and other environmental factors. The ratio of palatable richness to all species richness explained 8.3% of the EMF variation. We found that air temperature, elevation, and latitude all affected EMF, but in different ways. Air temperature and elevation impacted the aboveground parts of the ecosystem, which included plant height, aboveground biomass, richness of palatable species, and ratio of palatable richness to all species richness. Latitude affected EMF by varying both aboveground and belowground parts of the ecosystem, which included palatable species richness and belowground biomass. Our results indicated that there are still uncertainties in the biodiversity–EMF relationships related to the variable components of EMF, and climatic and geographic factors. Clarification of pathways that affect EMF using structural equation modeling techniques could elucidate the mechanisms by which environmental changes affect EMF.

KeywordAlpine Grassland Biodiversity Structural Equation Model Tibetan Plateau
DOI10.1007/s11629-016-4242-6
Indexed BySCI
Language英语
WOS IDWOS:000407267400012
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/18948
CollectionJournal of Mountain Science_Journal of Mountain Science-2017_Vol14 No.8
Recommended Citation
GB/T 7714
PAN Ying,WU Jun-xi,LUO Li-ming,et al. Climatic and geographic factors affect ecosystem multifunctionality through biodiversity in the Tibetan alpine grasslands[J]. Journal of Mountain Science,2017,14(8):1604-1614.
APA PAN Ying.,WU Jun-xi.,LUO Li-ming.,TU Yan-li.,YU Cheng-qun.,...&YANG Jun-ling.(2017).Climatic and geographic factors affect ecosystem multifunctionality through biodiversity in the Tibetan alpine grasslands.Journal of Mountain Science,14(8),1604-1614.
MLA PAN Ying,et al."Climatic and geographic factors affect ecosystem multifunctionality through biodiversity in the Tibetan alpine grasslands".Journal of Mountain Science 14.8(2017):1604-1614.
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