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引用本文:张婷婷, 刘文耀, 黄俊彪, 胡 涛, 汤丹丹, 陈 泉.植物生态化学计量内稳性特征[J].广西植物,2019,39(5):701-712.[点击复制]
ZHANG Tingting, LIU Wenyao, HUANG Junbiao, HU Tao, TANG Dandan, CHEN Quan.Characteristics of plant ecological stoichiometry homeostasis[J].Guihaia,2019,39(5):701-712.[点击复制]
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植物生态化学计量内稳性特征
张婷婷1,2, 刘文耀1*, 黄俊彪1,2, 胡 涛1,2, 汤丹丹1,2, 陈 泉1,2
1. 中国科学院西双版纳热带植物园 热带森林生态学重点实验室, 昆明 650223;2. 中国科学院大学, 北京 100049
摘要:
化学计量内稳性是生态化学计量学研究的核心概念之一,是指生物在面对外界变化的时候保持自身化学组成相对稳定的能力,其反映了生物对周围环境变化作出的生理和生化响应与适应。通过研究植物生态化学计量内稳性,有助于深入了解植物对环境的适应策略和生态适应性,以及植物化学计量内稳性与生态系统功能的关系,但目前关于植物生态化学计量内稳性的研究较少。已有的研究结果表明:不同物种或功能群由于其生长策略不同而具有不同的生态化学计量内稳性特征; 同一物种的不同器官、不同生长阶段以及不同元素的内稳性存在较大的差异。该文对植物生态化学计量内稳性概念、内稳性指数的测算方法,不同植物物种或功能群、不同器官、不同生长阶段内稳性特征,以及植物内稳性与生态系统结构、功能和稳定性的关系等方面进行了综述,并结合现已开展的工作,对有待进一步拓展的相关植物生态化学计量内稳性研究领域进行了展望,以期为促进国内相关研究工作的开展提供参考。
关键词:  生态化学计量学, 内稳性, 植物, 生态系统稳定性
DOI:10.11931/guihaia.gxzw201805050
分类号:Q948
文章编号:1000-3142(2019)05-0701-12
基金项目:国家自然科学基金(31770496,41471050); 中国科学院生物多样性保护策略项目(ZSSD-016); 中国科学院“135”项目(2017XTBG-T01)[Supported by the National Natural Science Foundation of China(31770496, 41471050); Biodiversity Conservation Strategy Program of Chinese Academy of Sciences(ZSSD-016); the CAS“135” Program(2017XTBG-T01)]。
Characteristics of plant ecological stoichiometry homeostasis
ZHANG Tingting1,2, LIU Wenyao1*, HUANG Junbiao1,2, HU Tao1,2, TANG Dandan1,2, CHEN Quan1,2
1. CAS Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Kunming 650223, China;2.2. University of Chinese Academy of Sciences, Beijing 100049, China 1. CAS Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Kunming 650223, China; 2. University of Chinese Academy of Sciences, Beijing 100049, China
Abstract:
Stoichiometric homeostasis is one of the core concepts of ecological stoichiometry. It refers to the ability of an organism to maintain a given elemental composition in the body despite variation in the elemental composition of its environment or diet. It reflects the net outcome of many underlying physiological and biochemical adjustments as organisms respond to their surroundings. Studies of stoichiometric homeostasis of plant will help us to understand the adaptation strategies and ecological adaptabilites of plants to the environment, as well as the relationships between plant ecological stoichiometry homeostasis and ecosystem functions. However, there are few studies on the internal stability of plant ecological stoichiometry. Previous research showed that the stoichiometric homeostasis characteristics of different plant species or functional groups were different. There were differences in stoichiometric homeostasis among different growth stages, different organs of the same species, as well as different nutrient elements. This paper reviews the concept of stoichiometric homeostasis, the estimation of plant homeostatic index, the stoichiometric homeostasis characteristics of different plant species or functional groups, different organs and growth stages and different elements, as well as linking plant stoichiometric homoeostasis with ecosystem structure, functioning and stability. Based on the obtained achievements and the current study, we put forward some perspectives of plant stoichiometric homoeostasis for future researches to be conducted with an aim to promote this discipline of research in China.
Key words:  ecological stoichiometry, homeostasis, plant, ecosystem stability
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