high tide level

the reason the swamp never  dries out, is because high tide  brings in the  water, it  is  like a  delta.  levee.   when  ever it is  high tide  the  water  comes in, it is  why  a swamp gets water  back in the  system,  its ben  high  tide  with the moon  closer, so,  conviently, the moon closer and it being  dry.  combine to make it  lush and green