湿地是指具有显著生态功能的自然或者人工的、常年或者季节性积水地带、水域，包括低潮时水深不超过六米的海域，但是水田以及用于养殖的人工的水域和滩涂除外。

The term wetland refers to natural or artificial, perennial or seasonal waterlogged areas and waters, including sea areas with a depth of less than 6 meters at low tide, but excluding paddy fields, waters used for aquaculture, or artificial mud flats.