NWIPB OpenIR
Non-additive effect of species diversity and temperature sensitivity of mixed litter decomposition in the alpine meadow on Tibetan Plateau
Duan, Jichuang1,3; Wang, Shiping1,2; Zhang, Zhenhua2,4; Xu, Guangping5,6; Luo, Caiyun2; Chang, Xiaofeng2,4; Zhu, Xiaoxue2,4; Cui, Shujuan2,4; Zhao, Xinquan2; Wang, Wenying7; Du, Mingyuan8; Wang, SP (reprint author), Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol & Biodivers, Beijing 100101, Peoples R China.
2013-02-01
Source PublicationSOIL BIOLOGY & BIOCHEMISTRY
ISSN0038-0717
Volume57Pages:841-847
SubtypeArticle
AbstractFew studies of the effects of litter diversity on the temperature sensitivity of mixed litter mass loss (MLML) are available. We tested the hypothesis that high litter diversity would reduce the magnitude of effects of climate and environmental change on MLML with 0.5/1 mm litter bags and sampling once after 1 yr of decomposition, using 51 combinations of litter mixtures from 25 dominant species at 3200 and 3800 m elevations on the Tibetan Plateau. Generally, our study supported our hypothesis. High temperature (i.e. lower elevation) reduced the dependency of MLML and non-additive effects on species richness. Species composition significantly affected MLML and its Q(10) (i.e. the ratio of litter mass loss rate at a temperature T-1 that is 10 degrees C lower than a temperature T-2) when species richness was less than 8. Shrubs significantly decreased the Q(1)0 of MLML when the species richness of litter mixture was less than 4. These findings suggest that the influence of future warming on MLML may depend on the balance between the magnitude of the impacts of climate change on shrub invasion and loss of species diversity in alpine region. (C) 2012 Elsevier Ltd. All rights reserved.; Few studies of the effects of litter diversity on the temperature sensitivity of mixed litter mass loss (MLML) are available. We tested the hypothesis that high litter diversity would reduce the magnitude of effects of climate and environmental change on MLML with 0.5/1 mm litter bags and sampling once after 1 yr of decomposition, using 51 combinations of litter mixtures from 25 dominant species at 3200 and 3800 m elevations on the Tibetan Plateau. Generally, our study supported our hypothesis. High temperature (i.e. lower elevation) reduced the dependency of MLML and non-additive effects on species richness. Species composition significantly affected MLML and its Q(10) (i.e. the ratio of litter mass loss rate at a temperature T-1 that is 10 degrees C lower than a temperature T-2) when species richness was less than 8. Shrubs significantly decreased the Q(1)0 of MLML when the species richness of litter mixture was less than 4. These findings suggest that the influence of future warming on MLML may depend on the balance between the magnitude of the impacts of climate change on shrub invasion and loss of species diversity in alpine region. (C) 2012 Elsevier Ltd. All rights reserved.
KeywordGlobal Warming Litter Species Richness Litter Composition Non-additive Effect Temperature Sensitivity Mixed Litter Mass Loss Alpine Region Tibetan Plateau
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
WOS KeywordLEAF-LITTER ; ECOSYSTEM FUNCTION ; BIODIVERSITY EXPERIMENTS ; COLD BIOMES ; QUALITY ; STREAM ; RATES ; GRASSLAND ; DYNAMICS ; CLIMATE
Indexed BySCI
Language英语
WOS Research AreaAgriculture
WOS SubjectSoil Science
WOS IDWOS:000317247100094
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://210.75.249.4/handle/363003/3961
Collection中国科学院西北高原生物研究所
Corresponding AuthorWang, SP (reprint author), Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol & Biodivers, Beijing 100101, Peoples R China.
Affiliation1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol & Biodivers, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Northwest Inst Plateau Biol, Key Lab Adaptat & Evolut Plateau Biota, Xining 810008, Peoples R China
3.Binhai Res Inst Tianjin, Tianjin 300457, Peoples R China
4.Chinese Acad Sci, Grad Univ, Dept Biol, Beijing 100049, Peoples R China
5.Guangxi Inst Bot, Guangxi 541006, Peoples R China
6.Chinese Acad Sci, Guangxi 541006, Peoples R China
7.Qinghai Normal Univ, Coll Life & Geog, Xining 810008, Peoples R China
8.Natl Inst Agroenvironm Sci, Tsukuba, Ibaraki 3058604, Japan
Recommended Citation
GB/T 7714
Duan, Jichuang,Wang, Shiping,Zhang, Zhenhua,et al. Non-additive effect of species diversity and temperature sensitivity of mixed litter decomposition in the alpine meadow on Tibetan Plateau[J]. SOIL BIOLOGY & BIOCHEMISTRY,2013,57:841-847.
APA Duan, Jichuang.,Wang, Shiping.,Zhang, Zhenhua.,Xu, Guangping.,Luo, Caiyun.,...&Wang, SP .(2013).Non-additive effect of species diversity and temperature sensitivity of mixed litter decomposition in the alpine meadow on Tibetan Plateau.SOIL BIOLOGY & BIOCHEMISTRY,57,841-847.
MLA Duan, Jichuang,et al."Non-additive effect of species diversity and temperature sensitivity of mixed litter decomposition in the alpine meadow on Tibetan Plateau".SOIL BIOLOGY & BIOCHEMISTRY 57(2013):841-847.
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