From the bottom of creek,and the bank of creek to grass tidal flat, variations in the composition of species reflects ecological series of macrofaunal community in creek system of estuarine tidal flat wetland.

• 从潮沟底、潮沟边滩到草滩 ,潮沟系统小尺度生境变化导致底栖动物种类组成的生态系列变化。