群落发展 meaning in Chinese

community development

When community developed to climax stage , however , the species diversity would decrease attributing to the disappearance of some pioneer species . in addition , species diversity of the shrub - tree ecotone would increase swingingly , due to the " bundary effects "
但当群落发展到成熟的顶级阶段时，多样性会随着一些先锋种的消失而有所下降；另外，林灌交替阶段会因“边缘效应” ，物种多样性大幅增加。
The analysis of seasonal change of arthropod community in transgenic bt cotton field could be classified as three stages , the first stage was from may to the end of june , the second stage was from july to the end of august , the third stage was after september
根据棉花生育期与棉田昆虫群落发展的相互关系，可将转基因棉田昆虫群落发展的季节格局划分为三个阶段:前期( 5月初到6月底) 、中期( 7月初到8月下旬)和后期( 8月底以后) 。