With the decrease of patch size, the patch fragmentation index and patch fragmental dimension increased, while the patch shape index and the plant community diversity index in the patches decreased.

• 随着湿地斑块面积的逐渐减小，斑块破碎化指数和分维数逐渐增大，形状指数和斑块内植物群落多样性指数逐渐减小；