读“某地剖面图”,回答下列各题 (1)图中A、B、C表示的海底地形

读“某地剖面图,回答下列各题

1)图中ABC表示的海底地形分别是_____________________________

2)海底有丰富的矿产资源:A处有__________________E处有_______________

3)请分析D处水域渔业资源丰富的原因_______________________________________

     ______________________________________________________________________

     怎样做才能实现D处渔业资源的可持续利用_________________________________

     _____________________________________________________________________

4)从图中所给的信息分析该地区是否适合围海造陆______________________________

     _______________________________________________________________________

答案

1)大陆架  大陆坡  海沟

2)石油、天然气、煤、硫、磷等      锰结核\

3D处水浅,阳光集中,光合作用强。入海河流带来丰富的营养盐类,因而浮游生物繁盛,为鱼类提供大量的饵料。合理捕捞;发展海水养殖、增值业(发展海洋牧场)。

4)不适合。因为该处有海沟,说明该处地壳活跃,多地震、火山活动。

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