Warming changes plant competitive hierarchy in a temperate steppe in northern China

作     者：Shuli Niu Shiqiang Wan 

作者机构：State Key Laboratory of Vegetation and Environmental ChangeInstitute of BotanyChinese Academy of SciencesXiangshanBeijing 100093China 

出 版 物：《Journal of Plant Ecology》 (植物生态学报（英文版）)

年 卷 期：2008年第1卷第2期

页      面：103-110页

核心收录：

学科分类：0710[理学-生物学] 0907[农学-林学] 07[理学] 0701[理学-数学] 0713[理学-生态学] 070101[理学-基础数学] 

基　　金：supported by the National Natural Science Foundation of China(90511006) Chinese Academy of Sciences(Hundred Talents Program) 

主　　题：biomass climate warming competitive hierarchy plant growth temperature 

摘      要：Aims Quantifying changes in plant growth and interspecific interactions,both of which can alter dominance of plant species,will facilitate explanation and projection of the shifts in species composition and community structure in terrestrial biomes expected under global *** used an experimental warming treatment to examine the potential influence of global warming on plant growth and interspecific interactions in a temperate steppe in northern *** and methods Six dominant plant species were grown in monoculture and all 15 two-species mixtures for one growing season under ambient and elevated temperatures in the *** was manipulated with infrared *** findings Total biomass of all the six plant species was increased by 34–63%in monocultures and 20–76%in *** magnitude of the warming effect on biomass was modified by plant *** warming changed the hierarchies of both competitive response and competitive *** competitive ability(in terms of response and effect)of one C4 grass(Pennisetum centrasiaticum)was suppressed,while the competitive abilities of one C3 forb(Artemisia capillaris)and one C3 grass(Stipa krylovii)were enhanced by experimental *** demonstrated alterations in growth and plant interactions may lead to changes in community structure and biodiversity in the temperate steppe in a warmer world in the future.