Extent of the annual Gulf of Mexico hypoxic zone influences microbial community structure


"Rich geochemical datasets generated over the past 30 years have provided fine-scale resolution on the northern Gulf of Mexico (nGOM) coastal hypoxic (≤ 2 mg of O2 L-1) zone. In contrast, little is known about microbial community structure and activity in the hypoxic zone despite the implication that microbial respiration is responsible for forming low dissolved oxygen (DO) conditions. [...]"

Source: PLoS ONE
Authors: Lauren Gillies Campbell et al.
DOI: 10.1371/journal.pone.0209055

Read the full article here.


New Species of Ciliates (Genus: Strombidium sp.) from hypoxic waters of the Bay of Bengal, Northern Indian Ocean


"Present study describes a new species of Strombidium (oligotrich ciliates) found in the cold sub-surface (125m below surface) oxic-hypoxic boundary of the Bay of Bengal. We name it as Strombidium mansai and describe its morphology." 

[...] "The  biological productivity of Bay of Bengal is governed by mesoscale eddies and tropical cyclones that trigger occasional higher productivity that could also add to the consumption of dissolved nutrients at sub-surface depth. These zones of hypoxic waters are found to be dominated by large number of bacterial community probavly driving unique microbial community in the Idian Ocean."

Source: Indian Journal of Geo Marine Science
Authors: Sai Elangovan, Mangesh Gauns

Full article