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A New Look at the Relationship between Carbon, Nitrogen, and Phosphorus in the Ocean
Senior Research Scientist Mike Lomas is a co-author of a new paper in Nature Geoscience showing that the elemental ratios of marine plankton and organic matter exhibit a clear latitudinal trend, with large spatial differences and a global average that can vary substantially from the standard Redfield ratio that has traditionally described the proportion of carbon, nitrogen, and phosphorus in plankton. (Martiny, A.C., Pham, C., Primeau, F., Vrugt, J., Levin, S., Lomas, M.W. 2013. Strong latitudinal patterns in elemental composition of marine plankton and organic matter. Nature Geoscience. In press. Online publication March 17, 2013.) Photo courtesy of NOAA.
Testing the Safety of Maine's Shellfish
Bigelow Laboratory has signed a contract with the Maine Department of Marine Resources (MEDMR) to begin biotoxin testing of shellfish in Maine by early this summer. Pending final accreditation from the federal Food and Drug Administration, testing will take place at the Bigelow Analytical Services facility (BAS) on the Ocean Science and Education Campus in East Boothbay, and will replace the traditional “mouse assay” that has been used by MEDMR in the past with the latest analytical approaches and instrumentation. In addition to testing for the red tide biotoxin responsible for paralytic shellfish poisoning, BAS staff will also be able to analyze samples for a range of other toxins, including amnesic and diarrhetic shellfish poisons, and will offer private shellfish growers the opportunity to send samples directly to Bigelow Laboratory for independent testing.
Algal Culturing Techniques Course at NCMA
The Provasoli-Guillard National Center for Marine Algae and Microbiota (NCMA) is offering 2 intensive, week-long residential courses June 2-8, 2013 (session I) and June 9-15, 2013 (session II). Each course is designed for graduate students, faculty members, aquaculturists, and biofuels/biotech personnel and covers basic and advanced techniques for isolating, growing, cryopreserving, identifying, and harvesting marine phytoplankton. Maximum enrollment is 15 students; the course will be filled on a first come-first served basis. Scholarship available. Register online.
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