Insights into prokaryotic community and its potential functions in nitrogen metabolism in the Bay of Bengal, a pronounced Oxygen Minimum Zone
"Ocean oxygen minimum zones (OMZs) around the global ocean are expanding both horizontally and vertically. Multiple studies have identified the significant influence of anoxic conditions (≤1 μM O2) on marine prokaryotic communities and biogeochemical cycling of elements. However, little attention has been paid to the expanding low-oxygen zones where the oxygen level is still above the anoxic level. Here, we studied the abundance and taxonomic and functional profiles of prokaryotic communities in the Bay of Bengal (BoB), where the oxygen concentration is barely above suboxic level (5 μM O2). [...]".
Source: Microbiology Spectrum
Authors: Bowei Gu et al.
Marine anoxia linked to abrupt global warming during Earth’s penultimate icehouse
"Piecing together the history of carbon (C) perturbation events throughout Earth’s history has provided key insights into how the Earth system responds to abrupt warming. Previous studies, however, focused on short-term warming events that were superimposed on longer-term greenhouse climate states. Here, we present an integrated proxy (C and uranium [U] isotopes and paleo CO2) and multicomponent modeling approach to investigate an abrupt C perturbation and global warming event (∼304 Ma) that occurred during a paleo-glacial state. We report pronounced negative C and U isotopic excursions coincident with a doubling of atmospheric CO2 partial pressure and a biodiversity nadir. [...]".
Source: Proceedings of the National Academy of Sciences
Authors: Jitao Chen et al.
EBUS Conference 2022 - Call for Abstracts closing tomorrow
Call for Abstracts closing tomorrow
EBUS Conference: September 19 - 23, 2022, in Lima, Peru
This is a quick reminder that the abstract submission deadline for the EBUS Conference 2022 ends tomorrow, May 7, 2022.
Please visit the event's homepage for further information.
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