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联合国环境署(1990)在题为“海相环境的状况”的报告中指出,世界人口约一半集中在海岸地区,因而这些地区人口压力巨大,同时受到污染、风暴潮、地面沉降的威胁,以及高地灌溉水资源枯竭的影响;在低地海岸、河滩和湿地,海平面的上升将会给沿岸城市的工农业生产及人民生活带来极其严重的后果。而盐沼-潮沟体系则是淤泥质海岸缓冲、削减波浪-潮流能量的重要地貌系统,对海岸的保护起着至关重要的作用。潮沟常常贯穿盐
In its report entitled “The State of the Marine Environment”, the United Nations Environment Program (1990) pointed out that about half of the world’s population is concentrated in the coastal areas and thus population pressures in these areas are high and at the same time are threatened by pollution, storm surges and land subsidence, and The impact of the depletion of highland irrigation water resources; rising sea levels in lowland coasts, floodplains and wetlands will have extremely serious consequences for industrial, agricultural production and people’s lives in coastal cities. The salt marsh - tidal channel system is silt coastal buffer, reduce the wave - the tidal current energy of the important landscape system plays an important role in the protection of the coast. Tide often run through salt