Optimal allocation backs Droop's cell-quota model

M Pahlow, A Oschlies
2013 Marine Ecology Progress Series  
Droop's cell-quota model is the most successful description of phytoplankton growth in laboratory cultures and is increasingly being introduced into the ecosystem components of biogeochemical models. Although the Droop model's parameters can be easily interpreted in biological terms, it was nevertheless derived empirically and lacks a sound mechanistic foundation. Here we derive Droop's model from a simple optimality condition which maximises net growth rate. Our approach links the maximum cell
more » ... ks the maximum cell quota to the cost of nutrient acquisition and suggests that respiration is influenced more strongly by C fixation than by N assimilation. KEY WORDS: Optimality-based model · Cell quota · Droop model Resale or republication not permitted without written consent of the publisher Editorial responsibility: Katherine Richardson,
doi:10.3354/meps10181 fatcat:6znegrp2mbhpxd5ifuoeakcf4q