港湾淤积 meaning in English

estuary deposit

The six sea walls constructed in xiamen seacoast from 1953 to 1979 not only changed original nature environment , but also produced many application quaternary problems : tide - absorbing capacity reducing , and the bay silt up increasing ; the coast erode going into worse , and part of coasts collapsing and falling back ; intertidal zone mangrove disappearing , and ecosystem environment being destroyed ; sand beach in seashore running off severely , quantity of sea water falling , and marine products being reduced sharply
摘要1953 - 1979年厦门沿海修筑的6条海堤不仅改变了原有的良好自然环境，而且产生了诸多应用第四纪问题：纳潮量减少，港湾淤积加重；海岸侵蚀作用加剧，部分海岸崩塌后退；潮间带红树林消失，生态环境遭到破坏；海滨沙滩流失严重，海水质量下降，水产养殖锐减。