mesoplankton

mesoplankton

that part of the PLANKTON that occurs below 100 fathoms.
References in periodicals archive ?
This led the authors to conclude that, "Model shifts between an anchovy 'regime' (1980's) and the possible move towards a sardine 'regime (1990's) in the southern Benguela ecosystem are likely to have been caused by changes in the availability of mesoplankton to anchovy and sardine" (Shannon et al.
Brief seasonal periods of mesoplankton availability are paradoxical considering the filter feeding habits of sponges.