外来海洋生物主要是通过船舶压载水入侵，造成的影响极其复杂，已经引起了世界各国的广泛关注。
Ballast water is the main invasion way of alien aquatic organisms. The complex effects caused by the aquatic organisms via ballast water have attracted world wide attention.
外来海洋生物是基于某一物种所具有的经济或社会意义而从外地有目的地引进，或者由于无意识的活动如航运业中的船体附着以及压舱水的排放等而带入的。
Many species of alien marine organism were introduced to China by intentional introduction for their economic or social significances or by unconscious activities such as ballast water discharge.
海洋生物入侵是由船舶压载舱中外来植物和动物的转移造成的。
Marine bio-invasions are caused by the transfer of alien plants and animals in ships’ ballast tanks.
海洋生物普查还指出了在世界上许多海洋生态系统中发现的所谓“外来物种”的影响。
The Census of Marine Life also points to the effect of so-called "alien species" being found in many of the world's Marine ecosystems.
海洋生物普查还指出了在世界上许多海洋生态系统中发现的所谓“外来物种”的影响。
The Census of Marine Life also points to the effect of so-called "alien species" being found in many of the world's Marine ecosystems.
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