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1·Coral reefs are one of the most fragile, biologically complex, and diverse marine ecosystems on Earth.

珊瑚礁是地球上最脆弱、生态性最复杂、最多样化的海洋生态系统之一。

2·It is home to one of the world's finest marine ecosystems, with more than 1,300 species of fish and 700 species of coral.

它是世界上最好的海洋生态系统之一的所在地，拥有1300多种鱼类和700多种珊瑚。

3·As such, they are key species for understanding and predicting impacts of global change on Antarctic and sub-Antarctic marine ecosystems.

因此，在理解和预测全球变化对南极和亚南极海洋生态系统影响方面，它们是关键物种。

4·There is, however, increasing concern about the impact of fishing and other human activities on marine ecosystems, which are now far from pristine.

然而，人们越来越关注捕鱼和其他人类活动对海洋生态系统的影响，因为现在海洋生态系统远非原始状态。

5·If the trend continues, it could disrupt Marine ecosystems.

如果这个趋势继续下去，海洋生态系统将会遭到破坏。

6·There is a need for a much greater analysis of marine ecosystems.

看起来，我们需要进一步了解分析海洋生态系统。

7·Closing breeding and spawning grounds to protect Marine ecosystems.

关闭繁衍产卵地以保护海洋生态系统。

8·The circulation adds energy to the Marine ecosystems and moves nutrients around.

这种循环使海洋生态系统增加了能量，从而使营养物质向四周移动。

9·Coral reefs are the foundation of many Marine ecosystems - and they are in danger.

珊瑚礁是很多海洋生态系统的基础，然而，目前它们正面临着危险。

10·He says the changes to Marine ecosystems will affect how the ocean absorbs carbon dioxide.

他说，改变海洋生态系统会影响到海洋吸收二氧化碳。