寻求反映古海洋生产力变化的指标是古海洋学研究的重要内容。
It is of importance to obtain proxies reflecting the fluctuations of primary productivity in paleoceanographic studies.
有机碳含量与海洋生产力关系极为密切，它可用来重建海洋古生产力的长期变化。
The organic carbon content is in close relation to productivity in the ocean, which can be used to reconstruct the long periodic changes in ocean paleoproductivity.
这些天然盐沼是海洋环境中最有生产力的栖息地之一。
These natural salt marshes are among the most productive habitats in the marine environment.
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