Parameter | SE Bering Sea | Barents Sea |
---|---|---|
Latitude | 3 54-60 °N | 4 68-85 °N |
Area > 200m (km2) | 3 21.1 x 103 | 4 533.2 x 103 |
Area < 200m (km2) | 3 463.4 x 103 | 4 472.9 x 103 |
Advection | 5 ~1 Sv | 2 ~4 Sv |
Nitrate (mM m-3) | 1 10-30 | 1 12 |
Phosphate (mM m-3) | 1 1.0-2.0 | 1 0.85 |
Silicate (mM m-3) | 1 25-60 | 1 6-8 |
Bering Sea | Barents Sea | |||||
---|---|---|---|---|---|---|
Inner | Middle | Outer | Arctic | Atlantic | ||
Total Primary Production (gCm-2y-1) | 50 - 70 | 150 - 175 | 160 | < 90 | < 200 | |
New Productivity | < 20 | 30-50 | ? | < 40 | 70 - 100 | |
Secondary Productivity | 2-6 | 8-30 | 16-50 | 1-18 | 3-17 | |
Dominant Taxa | Diatoms | Phaeocystis |
Taxon | Barents 1990 high capelin | Barents 1995 low capelin | E. Bering Sea 1980s |
---|---|---|---|
Phytoplankton | 20 | 20 | 11.8 |
Crust. Zoops. | 58 | 58 | 26 |
Capelin | 4.17 | 0.14 | - |
Herring | 1.34 | 3.33 | 0.78 |
Benthic Crust. | 1.43 | 1.38 | > 2.2 |
Flatfish | 1.1 | 1.1 | > 11.3 |
Gadids | 1.2 | 2.6 | > 35.9 |
Pinnipeds | 0.87 | 0.87 | > 0.22 |
Whales | 0.20 | 0.20 | > 0.26 |
Bering Sea | Barents Sea | ||||
---|---|---|---|---|---|
Taxon | P/B (y-1) | P | P/B (y-1) | P | |
Phytoplankton | 170 | 2000 | 117.73 | 1765 | |
Copepods | 6 | 330 | 10 | 500 | |
Large Zoops | 5.5 | 242 | 4 | 67.5 | |
Forage Fish | 0.8 | - | 1 | 1.13 | |
Herring | 1.0 | 0.78 | 0.38 | 1.24 | |
Adult Pollock/Atlantic Cod | 0.5 | 13.73 | 1.2 | 0.54 | |
Small Flatfish | 0.4 | 3.67 | 1.0 | 0.7 | |
Benthic Infauna | 1.37 | 63.84 | 1.5 | 99 |