TABLE 2.
Chl a concentrations, picoeukaryote abundances, and inorganic nutrient concentrations in Arctic coastal waters in summer 2007 and winter 2008a
| Season | Chl a concn (μg/liter) | Concn of picoeukaryotes (106 cells/liter) | Nitrate-plus-nitrite concn (μM) | Phosphate concn (μM) | Ammonium concn (μM) | Silicate concn (μM) | Temp (°C) | Salinity (psu) |
|---|---|---|---|---|---|---|---|---|
| Summer 2007 | 0.48 ± 0.11 | 5.37 ± 1.83 | 0.57 ± 0.4 | 0.38 ± 0.18 | 0.32 ± 0.08 | 7.28 ± 3.1 | 4.1 ± 1.3 | 27 ± 6 |
| Winter 2008 | 0.06 ± 0.01 | 0.02 ± 0.01 | 11.3 ± 0.19 | 1.95 ± 0.08 | 1.88 ± 0.23 | 22.9 ± 0.85 | −1.8 ± 0 | 35 ± 0.5 |
a
Data are means ± standard deviations. The data represent values measured at four sites in the Beaufort Sea and the Chukchi Sea in summer 2007 and at three sites in the Chukchi Sea in winter 2008. psu, practical salinity units.