SRP308704 PRJNA704702 McMurdo Ice Edge Time Series 2014-2015 Metagenome A 4-week time series in McMurdo Sound of the pelagic ocean microbiome was obtained in order to examine transitions in community stricture, diversity, and transcriptional activity. Sea surface microbial community samples were acquired at the seaice edge in McMurdo Sound of the Ross Sea from the same location (77.62S,165.41E) between 28 December 2014 and 22 January 2015. Large volume DNA and RNA samples (150 to 200 L) were acquired from 1 m depth on 29 December, 6 January, 15 January, and 22 January via sequential filtration through 3, 0.8, and 0.2 um of 142mm Supor filters. McMurdo Ice Edge Time Series 2014-2015 pubmed 31395884