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Species richness and biodiversity significance of alpine micro-waterbody systems in Gaoligong Mountain, Northwest Yunnan, China
Liu Shuo-Ran1,3,4; Fornacca, Davide3,4; Yang Dao-De1; Tan Lu5; Li Xian-Fu3,4,5; Ren Guo-Peng3,4; Sun Jun6; He Xiao-Yang6; Yang Wen-Shu6; Cai Qing-Hua5; Xiao Wen2,3,4
2020-04-01
Source PublicationJOURNAL OF MOUNTAIN SCIENCE
ISSN1672-6316
Volume17Issue:4Pages:907-918
Abstract

Water quality, size, connectivity and other physical properties of hydrological systems might have different functions in the formation and maintenance of biodiversity, but this remains mostly unclear due to the lack of undisturbed sites for experimental modelling. Alpine freshwater habitats such as micro-waterbodies (MWB) represent a kind of natural system suitable for biodiversity research. In order to assess potential linkages between environmental factors, connectivity of MWBs and aquatic species richness, we conducted a pilot study in two separated MWB systems located in Gaoligong Mountain, northwest Yunnan province, China. A total of 27 MWBs have been analyzed, including 22 connected and 5 isolated bodies. 13 conventional environmental factors were tested while all kinds of aquatic macro-organisms were collected and classified. Results showed a high environmental heterogeneity among MWBs and significant differences between the two systems but only a few environmental variables such as the depth of soil bottom, total Nitrogen and altitude were related to species richness and the formation of the community structure. As a benefit from the high environmental heterogeneity, the cascaded MWB systems provided divergent habitats able to support species richness at a higher level than the same number of randomly selected MWBs. This finding supports the idea that habitat connectivity matters also in extremely small aquatic ecosystems. Moreover, although still a preliminary result, a polarization effect within connected chains where edge MWBs host higher taxa and endemic taxa richness as well as larger populations, was detectable. This study gives interesting insights on the spatial processes driving community structure and a new prospective for biodiversity conservation. Since alpine MWBs have significant effects on the maintenance of watershed biodiversity, further research on such small and crucial ecosystems is encouraged.

KeywordHabitat connectivity High mountain Extreme fine scale Cascaded water system Richness maintenance Polarized dispersal
DOI10.1007/s11629-019-5487-7
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000525174500011
WOS KeywordENVIRONMENTAL HETEROGENEITY ; DENDRITIC CONNECTIVITY ; FISH ASSEMBLAGES ; PATTERNS ; CONSERVATION ; DISPERSAL ; DYNAMICS ; RIVER ; LAKES ; SIZE
PublisherSCIENCE PRESS
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/36055
Collection淡水生态学研究中心_期刊论文
Corresponding AuthorYang Dao-De; Xiao Wen
Affiliation1.Cent South Univ Forestry & Technol, Inst Wildlife Conservat, Changsha 410004, Peoples R China
2.Dali Univ, Inst Mat Med, Dali 671003, Peoples R China
3.Collaborat Innovat Ctr Biodivers & Conservat Thre, Dali 671003, Peoples R China
4.Dali Univ, Inst Eastern Himalaya Biodivers Res, Dali 671003, Peoples R China
5.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
6.Gong Shan Adm Bur, Gao Li Gong Mt Natl Nat Reserve, Nujiang 67350, Peoples R China
Recommended Citation
GB/T 7714
Liu Shuo-Ran,Fornacca, Davide,Yang Dao-De,et al. Species richness and biodiversity significance of alpine micro-waterbody systems in Gaoligong Mountain, Northwest Yunnan, China[J]. JOURNAL OF MOUNTAIN SCIENCE,2020,17(4):907-918.
APA Liu Shuo-Ran.,Fornacca, Davide.,Yang Dao-De.,Tan Lu.,Li Xian-Fu.,...&Xiao Wen.(2020).Species richness and biodiversity significance of alpine micro-waterbody systems in Gaoligong Mountain, Northwest Yunnan, China.JOURNAL OF MOUNTAIN SCIENCE,17(4),907-918.
MLA Liu Shuo-Ran,et al."Species richness and biodiversity significance of alpine micro-waterbody systems in Gaoligong Mountain, Northwest Yunnan, China".JOURNAL OF MOUNTAIN SCIENCE 17.4(2020):907-918.
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