IMHE OpenIR  > 山地表生过程与生态调控重点实验室
Warming and nitrogen addition effects on bryophytes are species- and plant community-specific on the eastern slope of the Tibetan Plateau
Sun SQ(孙守琴)1,2; Wang GX(王根绪)1; Scott X Chang2; Jagtar S. Bhatti3; Wei-Li Tian1; Ji Luo1
Corresponding AuthorScott X Chang
2017
Source PublicationJOURNAL OF VEGETATION SCIENCE
ISSN1100-9233
EISSN1654-1103
Volume28Issue:1Pages:128-138
SubtypeArticle
Abstract

Question: Global change is likely to strongly affect alpine and sub-alpine
regions, in which bryophytes are important components. Global change effects
on sub-alpine vegetation, bryophytes in particular, however, have been
addressed in few studies. We ask if global warming and increased nitrogen (N)
deposition, two of the most important components of global change, will have
different effects on bryophyte communities and species in sub-alpine coniferous
and shrubland ecosystems.
Location: Eastern slope of the Tibetan Plateau.
Methods: We established a warming by N deposition experiment, using a
2 9 2 factorial design, replicated three times, in each of two sub-alpine ecosystems.
Effects on bryophytes at the community and species levels were evaluated
after 4 (shrubland) and 5 (coniferous forest) years of warming and N deposition
treatments.
Results: Bryophyte cover increased in the first two growing seasons and thereafter
decreased until the end of the experiment in all treatments, most strongly
in warming plots in both ecosystems and in N deposition plots in the coniferous
forest. At the species level, the pleurocarpous bryophyte Pleurozium schreberi was
resilient to warming but sensitive to N deposition, while the acrocarpous bryophytes
Rhizomnium tuomikoskii and Racomitrium japonicum were resilient to N
addition but sensitive to warming.
Conclusions: Effects of warming and increased N deposition on bryophytes
were species- and to some extent also ecosystem-specific in the experiment in
the sub-alpine region, indicating that bryophytes do not respond to global
change as one single functional group. The observed species replacements in
response to warming and N depositionmay affect ecosystemprocesses.

KeywordConiferous Forest Global Change Moss Plant– Climate Interaction Shrubland Sub-alpine Region
DOI10.1111/jvs.12467
Indexed BySCI
Language英语
Quartile2区
TOP
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Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/17958
Collection山地表生过程与生态调控重点实验室
Affiliation1.Key Laboratory ofMountain Surface Processes and Ecological Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, No. 9, Block 4, South Renmin Rd., 610041 Chengdu, China
2.Department of Renewable Resources, University of Alberta, 442 Earth Sciences Building, Edmonton, AB, T6G 2E3, Canada;
3.Canadian Forest Service, Northern Forestry Centre, 5320 122nd St., Edmonton, AB, T6H3S5, Canada
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Sun SQ,Wang GX,Scott X Chang,et al. Warming and nitrogen addition effects on bryophytes are species- and plant community-specific on the eastern slope of the Tibetan Plateau[J]. JOURNAL OF VEGETATION SCIENCE,2017,28(1):128-138.
APA Sun SQ,Wang GX,Scott X Chang,Jagtar S. Bhatti,Wei-Li Tian,&Ji Luo.(2017).Warming and nitrogen addition effects on bryophytes are species- and plant community-specific on the eastern slope of the Tibetan Plateau.JOURNAL OF VEGETATION SCIENCE,28(1),128-138.
MLA Sun SQ,et al."Warming and nitrogen addition effects on bryophytes are species- and plant community-specific on the eastern slope of the Tibetan Plateau".JOURNAL OF VEGETATION SCIENCE 28.1(2017):128-138.
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