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Filtering by: Creator Prahl, Fredrick G. Decade 2000-2009

Climate regime shifts and reorganization of fish communities: the essential fatty acid limitation hypothesis

Creator:

Litzow, Michael A., Bailey, Kevin Mclean, Prahl, Fredrick G., and Heintz, Ron

Abstract:

Climate regime shifts force fish communities through rapid transitions between alternate species assemblages, but little is known about the role that biochemical ecology plays in these transitions. We document a biochemical effect of climate-induced community transitions in boreal oceans: opposite population trajectories of lipid-rich and lipid-poor fish species. We compared...

Resource Type:

Article
Summer surface waters in the Gulf of California: Prime habitat for biological N₂ fixation

Creator:

White, Angelicque E., Prahl, Fredrick G., Letelier, Ricardo M., and Popp, Brian N.

Abstract:

We report significant rates of dinitrogen (N₂) fixation in the central basins of the Gulf of California (GC) during July–August 2005. Mixing model estimates based upon δ¹⁵N values of particulate matter in the surface mixed layer indicate that N₂ fixation provides as much as 35% to 48% of the phytoplankton-based...

Resource Type:

Article