基于稳定碳同位素的植物水分利用效率及其影响因素研究  

Review on Plant Water Use Efficiency and Its Influencing Factors Based on Stable Isotopes

作　　者：陈应群 陈世仁 邵雪蓉 臧丽鹏 张广奇 刘庆福 陈丹梅 隋明浈 Chen Yingqun;Chen Shiren;Shao Xuerong;Zang Lipeng;Zhang Guangqi;Liu Qingfu;Chen Danmei;Sui Mingzhen(Forestry of College,Guizhou University,Guiyang 550025,Guizhou,China;Guizhou Libo Obvervation and Research Station for Karst Forest Ecosystem,National Forestry and Grassland Administration,Libo 558400,Guizhou,China)

机构地区：[1]贵州大学林学院,贵州贵阳550025 [2]贵州荔波喀斯特森林生态系统国家定位观测研究站,贵州荔波558400

出　　处：《山地农业生物学报》2025年第1期21-29,共9页Journal of Mountain Agriculture and Biology

基　　金：贵州省基础研究计划(黔科合基础-ZK[2022]一般098、黔科合基础-ZK[2022]一般036、黔科合基础-ZK[2022]一般079);贵州省科技支撑计划项目(黔科合支撑[2023]一般111)。

摘　　要：植物能否协调好碳水耦合关系是其适应环境限制的环节之一,因此,植物水分利用效率是其适应环境,尤其是胁迫环境的关键组分。而当下气候变化及日益加剧的人类活动造成水资源短缺格局愈发严峻,因此,开展植物水分利用效率的研究是当下对水资源研究的重要部分。基于此,本文以植物水分利用效率为主题,概述了植物水分利用效率的概念及发展,评述了植物水分利用效率的研究方法,并对比探讨研究方法的优缺点,分析了稳定碳同位素技术在揭示植物水分利用效率方面的应用及发展。此外,从非生物因素(时空异质性、水分、温度、光照及土壤理化性质等)、生物因素(植物个体差异、植物功能性状、植物生态策略)等方面综述了植物水分利用效率的影响因素,不同因素对植物水分利用效率作用不同且存在较强关联性,并未形成共性的影响规律。在此基础上,提出植物水分利用效率研究中目前存在的不足并提出展望,以期为相关研究提供一些借鉴。Whether plants can adapt to environmental restrictions depend on at least in part of whether they can coordinate the coupling of carbon and water,by which the water use efficiency of plants can well display the resistance adaptability to environments,especially those poor conditions.Due to the global climate change and increasing human disturbance,the pattern of water shortage has been more serious,which emphasizes the key roles of studying water use efficiency in solving such problems.This paper summarizes the concept and research progress of plant water use efficiency.Furthermore,the study also performed a comparison among methodologies mainly used to identify the plant water use efficiency,especially the applications of the stable isotopes.Additionally,this study discussed the potential factors which might influence the plant water use efficiency,including abiotic factors(including temporal-spatial heterogeneity,water resource,temperature,soil characteristics etc.) and biotic factors(including growth difference,plant functional traits,ecological strategy etc.),by which the study did not found common laws in how such complicated factors influenced the plant water use efficiency,since most factors had stronger collinearity.Finally,the shortcomings on plant water use efficiency was raised,which might extend understanding for relative theoretical studies.

关 键 词：稳定碳同位素 植物水分利用效率 研究方法 生物因素 非生物因素 

分 类 号：G353.1[文化科学—情报学] S718.54[农业科学—林学]