Biological Oceanography

dominated by four species of copepods: Calanus finmarchicus, C. hyperboreus, C. glacialis, and Metridia longa ...

Table 11.3 Standing stocks of phytoplankton, bacteria, heterotrophic protists, and copepods in the central ...

whales (Balaena mysticetus), and Arctic Cod (Boreogadus saida) (Plate 11.3), all mostly feeding on cop ...

Export of Carbon (^) Export of organic carbon from the upper layer of the Arctic Ocean has been measured with ...

initially part of the JGOFS program, we have substantial data describing the North Pacific subtropical g ...

subtropical Pacific at 30°N, 152°W. Salinity variation is minimized by plotting on the nitrogen scale; it ...

The nutricline is also the level of a doubling to tripling of chlorophyll concentration, the deep chloroph ...

winter mixing (that often extends to >200 m) by Synechococcus that for a few months increase to 2–3 × ...

winter low of about 30 mmol C m−2 day−1 (integrated to 100 m), and a May to August high around 54 mmol C ...

ocean in late winter, often February or March, when mixing reaches slightly below 200 m. There is a mo ...

There was a large increase in measured primary production rates between the HOT data (1991 on) compared ...

nutrients in the upper euphotic zone and different concentrations available at depth for upward mixing. The ...

clean additions of PO 4 3− (0.2 μM), FeCl 3 (2 nM), P + Fe, N as NH 4 + (1 μM), N + Fe, N + ...

Fig. 11.27 Dissolved [nitrate + >nitrite] vs. soluble reactive phosphate at Station ALOHA (HOTS) and a ...

experiments in the Sargasso, significant effects were only found for ammonium enrichment (Fig. 11 ...

it, the Liebigian nutrient. (^) Upper-water-column SRP data from the HOT site (http://hahana.soest.hawaii. ...

3. (^) The importance of nitrogen fixation remains to be fully determined. The difficulty is that measurement te ...

The Ks values for PO 4 3− uptake by Trichodesmium are low (implying high affinity), as low as 100 nM (Moutin et a ...

euphotic zone [N+N] : P ratios: high in the Atlantic, low in the Pacific. The Sargasso is more abundan ...

Actual phytoplankton growth rates are not strongly affected by nutrient limitation; the very small cells ...