在一般情况下,海砂静静地躺在海底,为海底鱼类等海洋生物提供隐藏和庇护场所。从一定意义上来说,保护海砂就是保护海洋生物资源。另外,海砂和海洋中的其他海洋自然要素一起,还能吸纳海洋中的大部分能量,减缓、消释潮汐、波浪、海啸等对大陆坡、海岸带等的侵蚀和冲击,保护海洋和沿岸生态环境。从这 Under normal circumstances, the sea sand lying quietly on the seabed, for marine fish and other marine creatures to provide shelter and shelter. In a sense, the protection of sea sand is the protection of marine living resources. In addition, the sea sand and other marine natural elements together can absorb most of the energy in the ocean and reduce or eliminate the erosion and impact of tides, waves and tsunamis on the continental slope and coastline, and protect the marine and coastal ecology surroundings. From this