在过去25年里，海洋温度已经上升了1度，更多南部外来物种进入了北海水域。
Sea temperatures have risen by 1c in the past 25 years and more exotic southern species have entered North Sea waters.
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.
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.
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.
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