Spencer gulf – a UCYN-A hotpspot?

Lauren Messer has a new paper on the way out describing the microbial goings on in the Spencer Gulf. As part of the Australia’s Microbiome Project with the Seymour Lab at UTS, we sampled from the Spencer Gulf region in South Australia. This place has very interesting geophyscial properties. Its described as an “inverse estuary” where salinity is lower at the mouth than the origin, and the temperate waters can oligotrophic. Somewhat unusually for this latitude, nitrogen fixation is believed to play an important role in the productivity of this system, possibly based upon the unusually high abundance of UCYN-A Candidatus Atelocyanobacterium thalassa we observed here.

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