THE RELATIONSHIP BETWEEN QUANTITATIVE CHANGES OF PLANKTON AND POPULATION DYNAMICS OF CRASPEDACUSTA IN A SMALL POOL
一小型水池中浮游生物数量动态与桃花水母消长的关系

In order to investigate a internal relationship between emergence time and quantity changes of Craspedacusta and plankton,and to evaluate the water quality of Craspedacusta' habitat by Margalef and Menkinick diversity index,the water sample and Craspedacusta were collected in a small fire-fighting pond in Ningbo,Zhejiang Province from Nov,2005 to Dec,2005 and from Jan,2006 to Oct,2006.This kind of jellyfish was identified as Craspedacusta sowerbyi xinyangensis.The water in the fire-fighting pond mainly came...