Figure 2

Abundances of solitary cells (top panel), abundances of cells in colonial form (middle panel) and population growth rates (bottom panel) in P.globosa outside grazing (filled bars) and control (open bars) cages.
HN and LN are high and low nutrient levels, respectively. Values are mean ± 1SD. * P < 0.05, ** P < 0.01, *** P < 0.001.