1.2 Key Community Characteristics (1) 群落的基本特征 C98 ()Biodiversity and Relative abundance(丰度) 具有一定的种类组成 What species are present What is the relative abundance of different species How does abundance change between communities 1212 1.2 Key Community Characteristics (1) 群落的基本特征 (1) Biodiversity and Relative abundance (丰度 ) 具有一定的种类组成 – What species are present – What is the relative abundance of different species – How does abundance change between communities C98