先锋种 meaning in English

pioneer species

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。