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Pelagic functional group modeling: Progress, challenges and prospects

Hood, Raleigh R.
Laws, Edward A.
Armstrong, Robert A.
Bates, Nicholas R.
Brown, Christopher W.
Carlson, Craig A.
Chai, Fei
Doney, Scott C.
Falkowski, Paul G.
Feely, Richard A.
Friedrichs, Marjorie A. M.
Landry, Michael R.
Moore, J. Keith
Nelson, David M.
Richardson, Tammi L.
Salihoğlu, Barış
Schartau, Markus
Toole, Dierdre A.
Wiggert, Jerry D.
In this paper, we review the state of the art and major challenges in current efforts to incorporate biogeochemical functional groups into models that can be applied on basin-wide and global scales, with an emphasis on models that might ultimately be used to predict how biogeochernical cycles in the ocean will respond to global warming. We define the term "biogeochemical functional group" to refer to groups of organisms that mediate specific chemical reactions in the ocean. Thus, according to this definition, "functional groups" have no phylogenetic meaning-these are composed of many different species with common biogeochemical functions.