Alexandra Z. Worden, Michael J. Follows, Stephen J. Giovannoni, Susanne Wilken, Amy E. Zimmerman, and Patrick J. Keeling (2015) Rethinking the marine carbon cycle: Factoring in the multifarious lifestyles of microbes. Science 13 February 2015: Vol. 347 no. 6223, doi: 10.1126/science.1257594

Talmy, D., J. Blackford, N. J. Hardman-Mountford, L. Polimene, M.J. Follows, and R.J. Geider (2014) Flexible C : N ratio enhances metabolism of large phytoplankton when resource supply is intermittent. Biogeosciences,  11, 4881-4895, doi: 10.5194/bg-11-4881-2014

NO3, Fe, and diazotroph biomass - observations (left) and model (right) over top 50 m - from Fig 1, Dutkiewicz et al, 2014

Life on the Edge – How shifting marine province boundaries could provide a new metric for global change

Climate Change, Diversity and Biogeography, Nitrogen Fixation, , , ,

In their new competition theory paper, appearing in the 2014 issue of Biogeosciences, Dutkiewicz et al examine the sensitivity of the biogeography of nitrogen fixers to a warming climate and increased aeolian iron deposition in the context of a global earth system model. Continue reading Life on the Edge – How shifting marine province boundaries could provide a new metric for global change →

Dutkiewicz, S., Ward, B. A., Scott, J. R., and Follows, M. J. (2014) Understanding predicted shifts in diazotroph biogeography using resource competition theory, Biogeosciences, 11, 5445-5461, doi: 10.5194/bg-11-5445-2014.

Moore, R.M., M. Kienast, M. Fraser, J. Cullen, C. Deutsch, S. Dutkiewicz, M.J. Follows, and C.J. Somes (2014), Substantial underestimation of nitrogen fixation suggested by hydrogen supersaturations in the Atlantic, Journal of Geophysical Research - Oceans , 119, 4340-4350, doi: 10.1002/2014JC010017.

From Figure 5 of Levy et al (2014)

Mixing Down Diversity

Diversity and Biogeography, Research, , ,

Phytoplankton are an extremely diverse set of floating, microscopic organisms, which are freely transported by water movements (current, eddies, etc.) and make up the base of the oceanic food web. This work, published in the September issue of Limnology & Oceanography: Fluids & Environments,  explores how their diversity is affected by dispersal by different scales of motions in the ocean. Continue reading Mixing Down Diversity →