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一、课题的提出(一)湿地的概念湿地系指无论其天然或人工、长久或暂时性的沼泽、湿原、泥炭地或水域地带,带有静止或流动、或为淡水、半咸水、咸水水体者,包括低潮时不超过6米的水域。湿地是介于陆地和水域之间的独特的生态系统,具有过渡地带的特征,是自然界最富有生物多样性的生态景观。它具有如下几个基本特
I. PROBLEMS PROPOSED (I) Concept of wetlands Wetlands are wetlands, wetlands, peatlands or waters, natural or artificial, long-term or temporary, with rest or flow, or freshwater, brackish, salty Water bodies, including those at low tide not exceeding 6 meters. Wetland is a unique ecosystem between land and water. It has the characteristics of a transitional zone and is the most biodiverse ecological landscape in nature. It has the following basic features