The degradation of creek is connected closely to the decline of Inspersion &Juxtapositon Index(IJI), and the elevation of connectivity index(COHESION) of salt marsh, which affected the whole heterogeneity and connectivity of tidal flat wetland landscape.

• 潮沟的退化与盐沼的散布与并列指数(IJI)的下降及连通性指数(COHESION)的上升密切相关，从而影响整个潮滩景观的异质性，并可能使景观连接性下降。