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考点一、群落结构群落是一个有机的、有规律的系统,并具有一定结构。其空间结构明显地表现在垂直分层上,称为垂直结构。森林群落分为乔木、灌木、草本和地被等层次,各种动物也在森林的不同高度中占据一定的位置。森林群落的水平结构表现在镶嵌性上,即组成群落的植物在水平方向的分布不均匀和斑块性。一般来说,群落垂直分层越多,动物种类也越丰
A test site, community structure Community is an organic, regular system, and has a certain structure. Its spatial structure is clearly manifested in the vertical stratification, known as the vertical structure. Forest communities are divided into layers of trees, shrubs, herbs and ground cover, and various animals occupy certain positions in different heights of the forest. The horizontal structure of forest community is characterized by mosaicism, that is, the horizontal distribution and the plaque of the plants that form the community. In general, the more vertical stratification of communities, the greater the variety of animals