Biodiversity explains maximum variation in productivity under experimental warming, nitrogen addition, and grazing in mountain grasslands
Liu, Jiajia1; Liu, Detuan2; Xu, Kun3; Gao, Lian-ming4; Ge, Xue-jun1; Burgess, Kevin S.5; Cadotte, Marc W.6,7
2018-10-01
发表期刊ECOLOGY AND EVOLUTION
ISSN2045-7758
卷号8期号:20页码:10094-10112
摘要Anthropogenic global warming, nitrogen addition, and overgrazing alter plant communities and threaten plant biodiversity, potentially impacting community productivity, especially in sensitive mountain grassland ecosystems. However, it still remains unknown whether the relationship between plant biodiversity and community productivity varies across different anthropogenic influences, and especially how changes in multiple biodiversity facets drive these impacts on productivity. Here, we measured different facets of biodiversity including functional and phylogenetic richness and evenness in mountain grasslands along an environmental gradient of elevation in Yulong Mountain, Yunnan, China. We combined biodiversity metrics in a series of linear mixed-effect models to determine the most parsimonious predictors for productivity, which was estimated by aboveground biomass in community. We examined how biodiversity-productivity relationships were affected by experimental warming, nitrogen addition, and livestock-grazing. Species richness, phylogenetic diversity, and single functional traits (leaf nitrogen content, mg/g) represented the most parsimonious combination in these scenarios, supporting a consensus that single-biodiversity metrics alone cannot fully explain ecosystem function. The biodiversity-productivity relationships were positive and strong, but the effects of treatment on biodiversity-productivity relationship were negligible. Our findings indicate that the strong biodiversity-productivity relationships are consistent in various anthropogenic drivers of environmental change.
关键词experimental warming functional diversity grazing multimodel inference nitrogen addition phylogenetic diversity
资助信息National Natural Science Foundation of China; Ministry of Science and Technology of the People's Republic of China
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[31500335] ; National Natural Science Foundation of China[31570210] ; Ministry of Science and Technology of the People's Republic of China[2014CB954100]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/63177
专题资源植物与生物技术所级重点实验室
通讯作者Ge, Xue-jun
作者单位1.Chinese Acad Sci, Key Lab Plant Resources Conservat & Sustainable U, South China Bot Garden, Shenzhen, Guangdong, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Yunnan Key Lab Integrat Conservat Plant Species E, Kunming, Yunnan, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, Lijiang Forest Ecosyst Res Stn, Kunming, Yunnan, Peoples R China
4.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming, Yunnan, Peoples R China
5.Columbus State Univ, Univ Syst Georgia, Dept Biol, Columbus, GA USA
6.Univ Toronto Scarborough, Dept Biol Sci, Toronto, ON, Canada
7.Univ Toronto, Ecol & Evolutionary Biol, Toronto, ON, Canada
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GB/T 7714
Liu, Jiajia,Liu, Detuan,Xu, Kun,et al. Biodiversity explains maximum variation in productivity under experimental warming, nitrogen addition, and grazing in mountain grasslands[J]. ECOLOGY AND EVOLUTION,2018,8(20):10094-10112.
APA Liu, Jiajia.,Liu, Detuan.,Xu, Kun.,Gao, Lian-ming.,Ge, Xue-jun.,...&Cadotte, Marc W..(2018).Biodiversity explains maximum variation in productivity under experimental warming, nitrogen addition, and grazing in mountain grasslands.ECOLOGY AND EVOLUTION,8(20),10094-10112.
MLA Liu, Jiajia,et al."Biodiversity explains maximum variation in productivity under experimental warming, nitrogen addition, and grazing in mountain grasslands".ECOLOGY AND EVOLUTION 8.20(2018):10094-10112.
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