Seasonal, horizontal, and vertical distribution of Phytoplankton Chlorophyll a in the northeast U.S. continental shelf ecosystem

Methods: data sources; sampling; measurement of chloropyll a; computations; contourin; standard sampling stations (tiles); statistical subareas

Environment - Protection - Samoa

results and discussion: range of chlorophyll concentrations; size composition of phytoplankton; horizontal distribution of chlorophyll; horizontal distribution of Netplankton/Nanoplankton; percent phaeopigment; recurring patterns in phytoplankton size composition; annual cycle of Chlw; vertical distribution of chlorophyll middle atlantic bight/georges bank/gulf of Main; winter spring bloom; fate of WS bloom; stratified season; seasonal changes in subsurface maxima; spatial distribution of subsurface/surface ratio; fall bloom