... the original author and source are credited. See http://creativecommons.org/licenses/by/4.0/ . Polar phytoplankton Microbial eukaryotes Arctic Ocean Microdiversity Micromonas polaris Baffinella frigidus The abundance of autotrophic (chlorophyll-containing) cells was measured in situ...

... International License (CC-BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. See http://creativecommons.org/licenses/by/4.0/ . Microbial eukaryotes Arctic Ocean Hudson Bay Estuary Freshwater gradient Maximum...

... eukaryotes contribute to biogeochemical and energy cycling in both fresh and marine waters, with little species overlap between the two ecosystems. Arctic and sub-Arctic marine systems are relatively fresh compared to tropical and temperate systems, but details of microbial eukaryote communities along river...