Autor: |
Bourbonnais, Annie, Valliyodan, Sudheesh, Altabet, Mark A., Jayakumar, Amal, Naqvi, Syed Wajih Ahmad, T. R., Gireesh Kumar |
Předmět: |
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Zdroj: |
Frontiers in Marine Science; 2023, p1-3, 3p |
Abstrakt: |
This editorial titled "Recent developments in oxygen minimum zones biogeochemistry" discusses the impact of oxygen minimum zones (OMZs) on biogeochemical cycles and climate dynamics. OMZs are regions with low oxygen levels in the ocean, particularly prevalent in eastern boundary upwelling systems. The editorial emphasizes the need to better understand the distribution and biogeochemistry of OMZs, as well as the impact of climate change on their expansion. It also mentions several research articles included in the Research Topic, covering topics such as temporal variability in OMZ distribution, the decoupling between highly productive western boundaries and OMZs, and the impact of OMZs on biogeochemical cycling. The text explores the discrepancy between low nitrogen fixation rates and high diazotrophic diversity in OMZs, discussing alternative nitrogenases that have been detected in metagenomes and transcriptomes of OMZs. The authors also mention the enhanced production of greenhouse gases under hypoxic and anoxic conditions, contributing to global warming. Future research directions proposed include long-term monitoring and in-situ microbial ecology approaches to better understand the biogeochemical cycling and pathways in OMZs. [Extracted from the article] |
Databáze: |
Complementary Index |
Externí odkaz: |
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