In the fields of a short-term crop,due to its periodic transplantation and harvest,arthropod community appears periodically 3 different stages which are community reformation,development and collapse.

• 在短期农作物生境中，周期性的种植和收割使得其中的节肢动物群落亦周期性地呈现出群落重新形成、群落发展和群落瓦解3个阶段。