Table 2
Environmental characterization of the continental shelf of the Petite Côte, i.e. south of the Dakar peninsula at the two sampling periods. Average (minimum–maximum) daily values on the surface over an area of 20,000 km2 for the ten days preceding the fish sampling (Source: Copernicus; numerical models from Mercator-Ocean).
| Environmental parameters | January 2022 | March 2022 |
|---|---|---|
| Surface temperature (°C) | 21.7 (21.2–22.5) | 17.8 (17.4–18.5) |
| Chlorophyll-a concentration (mg m−3) | 0.48 (0.41–0.56) | 1.75 (0.82–3.46) |
| Oxygen concentration (mmol m−3) | 222 (220–223) | 197 (187–214) |
| Net primary production (mg m2 day) | 1670 (1280–2540) | 4650 (2980–6030) |
| Zooplankton (g m−2) | 1.7 (1.5–1.8) | 3.4 (2.5–4.1) |
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