| environ. | wetlands ecosystem Ecosystems of areas largely inundated with water but offering elevated lands as a habitat for wildlife. This areas include swamps, both seasonal and permanent, marsh, open fresh water, shallow saline lagoons, the estuaries of rivers, floodplains and coastal sand dunes. They provide food, breeding grounds, water and sanctuary for many forms of fish, birds and other animal and plant life. They are among the most productive ecosystems producing timber, peat moss and crops such as rice and a variety of berries | 湿地生态系统 (大部分充满水、但提供了更高级土地作为一个野生动物栖息地的区域生态系统。这个区域包括沼泽(季节性和永久性的)、湿地、开放淡水、浅层咸水湖、河流入海口、冲积平原和沿海沙丘。它们提供食物、繁殖地、多种形式的鱼类、鸟类和其它动物和植物的水和保护区。它们是最富有成效的生态系统之一，它们产生木材、泥炭藓、诸如大米之类的作物和各种浆果。) |
