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Browsing Biological Sciences by Author "Mahon, Andrew R"

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Biogeochemical and Microbial Variation across 5500 km of Antarctic Surface Sediment Implicates Organic Matter as a Driver of Benthic Community Structure 

Learman, Deric R; Henson, Michael W.; Thrash, J. Cameron; Temperton, Ben; Brannock, Pamela M; Santos, Scott R; Mahon, Andrew R; Halanych, Kenneth M (2019-04-29)
Western Antarctica, one of the fastest warming locations on Earth, is a unique environment that is underexplored with regards to biodiversity. Although pelagic microbial communities in the Southern Ocean and coastal Antarctic ...

Crossing the Divide: Admixture Across the Antarctic Polar Front Revealed by the Brittle Star Astrotoma agassizii 

Galaska, Matthew P; Sands, Chester J; Santos, Scott R; Mahon, Andrew R; Halanych, Kenneth M (2019-07-31)
The Antarctic Polar Front (APF) is one of the most well-defined and persistent oceanographic features on the planet and serves as a barrier to dispersal between the Southern Ocean and lower latitudes. High levels of endemism ...

Geographic structure in the Southern Ocean circumpolar brittle star Ophionotus victoriae (Ophiuridae) revealed from mtDNA and single-nucleotide polymorphism data 

Galaska, Matthew P; Sands, Chester J; Santos, Scott R; Halanych, Kenneth M; Mahon, Andrew R (2019-04-29)
Marine systems have traditionally been thought of as "open" with few barriers to gene flow. In particular, many marine organisms in the Southern Ocean purportedly possess circumpolar distributions that have rarely been ...