Table 1.

Summary of observations and probable consequences with Si:DIN atomic ratios near 1:1 and less than 1:1

	Si:DIN
	< 1:1	1:1 or > 1:1
Observed
Copepod of meso-zooplankton, %	Low	Dominant
Carbon in sediment trap that are fecal  pellets, %	Low	High
Fecal pellets of primary production, %	Low	Dominant
Sinking rate of surface carbon produced	Slower	Faster
Respiration per Chl a in bottom waters	Lower	Higher
Respiration losses in bottom waters	Lower	Higher
Implications
Potential for flagellated algal blooms,  including harmful algal blooms	Higher	Lower
Bottom water hypoxia zone	Smaller	Continuing