摘要
功能多样性是联系生物多样性和生态系统功能的关键性因素。植物群落内功能多样性的量化描述对于研究生物多样性响应环境变化及其对生物多样性-生态系统功能关系的影响至关重要。由于功能多样性的概念含混不清,使得对其范围的确定、定量描述及其对生态系统功能的作用的评价存在较大的难度。在查阅大量文献的基础上,以植物群落为例,介绍了功能多样性的定义、计算方法及研究中应注意的问题。在植物群落功能多样性指数的选择和测定过程中,对获取相关物种必要的功能特征信息、确定其权重、确定不同物种在群落中的相对丰富度、利用所得的功能多样性指数解释和预测生态系统过程的变化等问题,进行了研究。
Functional diversity is regarded as a key in understanding the link between ecosystem functioning and biodiversity. Quantifying the functional diversity in plant communities is very important for both studying the response of diversity to environmental change and the effects of diversity on ecosystem functioning. However,because the concept of functional diversity remain rather ambiguous,there are questions about how to define and measure it,how to evaluate the effects of it on ecosystem functioning. In this article,based on the review of the great deal of scientific literatures,which focus on plant communities,the definition and measurement of functional diverstiy were introduced. When quantify the functional diversity of plant communities,cares should be taken in the choice of various method such as how many and which traits to use according to its importance in plant growth and ecosystem functioning,how to weight them,how to quantify the species＇relative abundances in a community,and how to interpret and predict changes of ecosystem processes by using it. This review will aid ecologists in examining the mechanisms controlling diversity-ecosystem functioning relationships.
出处
《生态学报》
CAS
CSCD
北大核心
2010年第10期2766-2773,共8页
Acta Ecologica Sinica
基金
国家自然科学基金资助项目(30770333)
关键词
功能多样性
功能特征
生物多样性
生态系统功能
相对丰度
functional diversity
functional traits
biodiversity
ecosystem functioning
relative abundances
