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Updated: Jun 24, 2025

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二甲基作为单甲基的来源在一个高生产率的上游系统

Hannah M Adams1, Xinyun Cui2, Carl H Lamborg2

  • 1Scripps Institution of Oceanography, University of California San Diego, La Jolla, California 92037, United States.

Environmental science & technology
|June 7, 2024
PubMed
概括

二甲基 (DMHg) 脱甲基化是加利福尼亚电流系统中单甲基 (MMHg) 的主要来源. 这一发现挑战了以前关于海洋循环的假设,并为预测海鲜中神经毒剂水平的预测提供了信息.

关键词:
加利福尼亚州现行 加利福尼亚州现行水银生物地质化学 水银生物地质化学

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Primary Production01:06

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The total amount of energy acquired by primary producers in an ecosystem is called gross primary production (GPP). However, of this energy, producers use some for metabolic processes, and some is lost as heat, decreasing the amount of energy available to the next trophic level. The remaining usable amount of energy is called the net primary productivity (NPP). In terrestrial ecosystems, NPP is driven by climate, while light penetration and nutrient availability drive NPP in aquatic ecosystems.
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