Table 1. Sample dates, geographic coordinates and environmental data.

Sample	Date	Latitude (°N)	Longitude (°W)	Temp (°C)	Salinity (psu)	NH4 (µM)	Si (µM)	PO4 (µM)	NO2+NO3 (µM)
CB	05/11/05	43.6992	69.8952	7.9	27.48	12.3	10.5	0.2	2.2
BoF	05/15/05	44.9828	66.8250	5.1	29.89	0.5	11.2	0.4	8.5
MB	05/17/05	42.2802	70.7843	9.2	29.70	2.0	0.85	0.2	0.1
CA	05/29/05	42.6942	70.4852	8.8	29.77	2.1	3.55	0.4	1.7
MV1	06/08/05	41.3260	70.5192	14.2	30.31	ND	ND	ND	ND
MV2	06/16/05	40.9905	70.5687	8.9	31.32	0.7	4	0.3	0.6