Table 1.

Incubation site identifiers, location, and initial iron conditions

Name	Latitude and longitude	Fe:NO3,nmol$\cdot$L−1:$\mathrm{\mu }$mol$\cdot$L−1	Initial Fe,nmol$\cdot$L−1
C-High	38.7° N, 123.7° W	0.26	3.57
C-Low1	42.7° N, 125.0° W	0.06	1.05
C-Low2	35.9° N, 121.7° W	0.06	1.28
P-High	48.7° N, 126.7° W	0.42	0.64
P-Low	50.0° N, 145.0° W	0.01	0.05

At site P-High, 10 αmol·L⁻¹ of NO₃ was added.