Publications by authors named "Jin-Yu Terence Yang"

Article Synopsis
  • Estuary sediments actively engage in denitrification and emit nitrous oxide (NO), but the factors influencing this process are not well studied.
  • In the Pearl River Estuary, organic matter significantly impacts nitrogen removal and NO production, with labile organic matter helping to enhance nitrification-denitrification coupling.
  • Finding that this process links carbon and nitrogen cycles, the study highlights that while the estuary acts as a nitrogen removal hotspot, its efficiency is low and it releases a significant amount of NO, providing insights for sustainable coastal management.
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Climate change and eutrophication are accelerating ocean deoxygenation, leading to a global decline in oxygen levels. The East China Sea, frequently experiencing deoxygenation events, harbors diverse microbial communities. However, the response of these communities to the changing deoxygenation dynamics remains poorly understood.

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Coastal oceans, known as the major nitrous oxide (NO) source to the atmosphere, are increasingly subject to eutrophication and concurrent near-bottom hypoxia. The natural nitrogen cycle is likely to be altered markedly in hypoxic coastal oceans. However, the processes responsible for NO production and emission remain elusive because of lacking field rate measurements simultaneously conducted in the water column and sediment.

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Information on the sources and transformations of particulate organic N (PN) and dissolved organic N (DON) at the coastal interface remains insufficient due to technological difficulties and complicated features of intensive physical mixing and rapid biological activities. Here, we investigated the spatial distribution of concentrations and isotopic compositions of PN and DON in the Changjiang plume during the summer flood period. In average, DON and PN accounted for 25.

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