during onset, peak and late phases of summer monsoon. The pronounced variations in
phytoplankton standing stock (chlorophyll a), primary production, meso zooplankton
standing stock and physico-chemical variables were examined according to the different
stages of upwelling ie, newly upwelled (Type-1), mature (Type-2) and aged upwelling (Type-
3). Type-1 stage was observed along the inshore waters off 8–10° N during the onset of …