Different categories of biodiversity explain productivity variation after fertilization in a Tibetan alpine meadow community

被引:28
作者
Zhou, Xiaolong [1 ,2 ]
Guo, Zhi [1 ]
Zhang, Pengfei [1 ]
Li, Honglin [1 ]
Chu, Chengjin [3 ,4 ]
Li, Xilai [5 ]
Du, Guozhen [1 ]
机构
[1] Lanzhou Univ, Sch Life Sci, State Key Lab Grassland & Agroecosyst, Lanzhou, Gansu, Peoples R China
[2] Xinjiang Univ, Inst Arid Ecol & Environm, Urumqi, Xinjiang, Peoples R China
[3] Sun Yat Sen Univ, SYSU Alberta Joint Lab Biodivers Conservat, State Key Lab Biocontrol, Guangzhou, Guangdong, Peoples R China
[4] Sun Yat Sen Univ, Sch Life Sci, Guangzhou, Guangdong, Peoples R China
[5] Qinghai Univ, Coll Agr & Anim Husb, Xining, Peoples R China
来源
ECOLOGY AND EVOLUTION | 2017年 / 7卷 / 10期
基金
中国国家自然科学基金;
关键词
alpine meadow; functional diversity; nitrogen and phosphorus fertilization; phylogenetic diversity; productivity; species diversity; FUNCTIONAL DIVERSITY; PLANT DIVERSITY; SPECIES RICHNESS; PHOSPHORUS LIMITATION; RESOURCE ADDITIONS; ECOSYSTEM FUNCTION; FIELD EXPERIMENT; NITROGEN; COMPETITION; TRAITS;
D O I
10.1002/ece3.2723
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
The relationship between productivity and biodiversity has long been an important issue in ecological research. However, in recent decades, most ecologists have primarily focused on species diversity while paying little attention to functional diversity and phylogenetic diversity (PD), especially in alpine meadow communities following fertilization. In this study, a fertilization experiment involving the addition of nitrogen, phosphorus, and a mixture of both was implemented in an alpine meadow on the Tibetan Plateau. Species diversity, functional diversity, and PD were measured, and the responses of these parameters to the variation in productivity were analyzed. We found that the productivity of alpine plant communities was colimited by N and P, with N being the principal and P being the secondary limiting nutrient. Our results supported the prediction of both the mass ratio hypothesis and niche complementarity hypothesis in fertilized communities, but these hypotheses were not mutually exclusive. The combination of different aspects of biodiversity not only provides a crucial tool to explain the variation in productivity and to understand the underlying mechanisms but also plays an important role in predicting the variation in productivity of -alpine meadow communities, which are sensitive to nutrient enrichment in the context of global change.
引用
收藏
页码:3464 / 3474
页数:11
相关论文
共 96 条
[71]   Emerging horizons in biodiversity and ecosystem functioning research [J].
Reiss, Julia ;
Bridle, Jon R. ;
Montoya, Jose M. ;
Woodward, Guy .
TRENDS IN ECOLOGY & EVOLUTION, 2009, 24 (09) :505-514
[72]   Effects of resource additions on species richness and ANPP in an alpine meadow community [J].
Ren, Zhengwei ;
Li, Qi ;
Chu, Chengjin ;
Zhao, Luqiang ;
Zhang, Jieqi ;
Ai, Dexiecuo ;
Yang, Yingbo ;
Wang, Gang .
JOURNAL OF PLANT ECOLOGY, 2010, 3 (01) :25-31
[73]  
Revelle W., 2015, PSYCH PROCEDURES PER
[74]   lavaan: An R Package for Structural Equation Modeling [J].
Rosseel, Yves .
JOURNAL OF STATISTICAL SOFTWARE, 2012, 48 (02) :1-36
[75]   Plant functional traits and nutrient gradients on grassland [J].
Schellberg, J. ;
Pontes, L. da S. .
GRASS AND FORAGE SCIENCE, 2012, 67 (03) :305-319
[76]   NIH Image to ImageJ: 25 years of image analysis [J].
Schneider, Caroline A. ;
Rasband, Wayne S. ;
Eliceiri, Kevin W. .
NATURE METHODS, 2012, 9 (07) :671-675
[77]   Dominant species maintain ecosystem function with non-random species loss [J].
Smith, MD ;
Knapp, AK .
ECOLOGY LETTERS, 2003, 6 (06) :509-517
[78]   The significance of assemblage-level thinning for species richness [J].
Stevens, MHH ;
Carson, WP .
JOURNAL OF ECOLOGY, 1999, 87 (03) :490-502
[79]   The influence of functional diversity and composition on ecosystem processes [J].
Tilman, D ;
Knops, J ;
Wedin, D ;
Reich, P ;
Ritchie, M ;
Siemann, E .
SCIENCE, 1997, 277 (5330) :1300-1302
[80]   Plant diversity and ecosystem productivity: Theoretical considerations [J].
Tilman, D ;
Lehman, CL ;
Thomson, KT .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1997, 94 (05) :1857-1861