Ammonia

Silicate

Small

Phytoplankton

Large

Phytoplankton

Small

Zooplankton

Large

Zooplankton

Detritus

Nitrogen

Detritus

Silica

Predation

Mortality

Remineralization

Uptake

Uptake

Uptake

Dissolution

Fecal

Mortality

Grazing

Grazing

Mortality

Mortality

Nitrate

Grazing

Mortality