Juvenile Bluefin Tuna Found To Dive To Depths Of More Than 1000 Meters

Posted on Sep 30, 09 at 9:00 pm. 
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A bluefin tuna, tagged by researchers in August 2008, was caught a year later by a professional bait boat off the coast of northern Spain. The animal had internally implanted electronic tag which enabled its migratory movements and the depth of these, amongst other data, to be obtained. First estimations of the geographical location of the recovered tag revealed that this fish had undertaken migrations between the Azores and Portugal during the winter, later to return to the Gulf of Bizkaia in spring and also that it had dropped, during the winter, to depths of more than 1000 meters.

Source:Juvenile Bluefin Tuna Found To Dive To Depths Of More Than 1000 Meters

Planet's Nitrogen Cycle Overturned By 'Tiny Ammonia Eater Of The Seas'

Posted on Sep 30, 09 at 9:00 pm. 
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Tiny organisms known as archaea play a central role in the planet’s nitrogen cycle, according to new research. Experiments show that archaea appear play a key ecological role in both upper and deep ocean ecosystems. This could affect calculations made by global climate models.

Source:Planet's Nitrogen Cycle Overturned By 'Tiny Ammonia Eater Of The Seas'

New Chemical Method For Distinguishing Between Farmed And Wild Salmon

Posted on Sep 30, 09 at 7:00 pm. 
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Wild salmon and farmed salmon can now be distinguished from each other by a technique that examines the chemistry of their scales.

Source:New Chemical Method For Distinguishing Between Farmed And Wild Salmon

Mystery Solved: Marine Microbe Is Source Of Rare Nutrient

Posted on Sep 30, 09 at 12:00 pm. 
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A new study of microscopic marine microbes, called phytoplankton, has solved a 10-year-old mystery about the source of an essential nutrient in the ocean.

Source:Mystery Solved: Marine Microbe Is Source Of Rare Nutrient

UMAINE JOINING FORCES FOR NORTH ATLANTIC STUDY

Posted on Sep 30, 09 at 6:38 am. 
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The University of Maine is one of several prestigious marine research institutions joining forces to study North Atlantic marine ecosystems as part of the Cooperative Institute for the North Atlantic Region (CINAR). In addition to UMaine, the collaborative involves Woods Hole Oceanographic Institution, Rutgers University, the University of Maryland Center for Environmental Science and the Gulf of Maine Research Institute. The National Oceanic and Atmospheric Administration (NOAA) created the alliance, which may eventually involve more than 200 ocean scientists, including faculty members from UMaine’s School of Marine Sciences. A news release has more at [http://www.umaine.edu/news/blog/2009/09/27/umaine-involved-in-new-partnership-to-study-north-atlantic-marine-ecosystem/ ].

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