Table 1 Estimated rorqual krill consumption for regions of interest
From: Whale recovery and the emerging human-wildlife conflict over Antarctic krill
Species | CCAMLR region | Era | Estimated individual krill consumption (t d−1) | Estimated days feeding | Estimated population size | Estimated population krill consumption (Mt yr−1) |
|---|---|---|---|---|---|---|
Humpback whale (M. novaeangliae) | Subareas 48.1–48.4 | Historic | 3.15 (1.81–4.93) | 100 (90–120) | 25,973 | 8.03 (4.23–14.73) |
Modern | 3.15 (1.81–4.93) | 100 (90–120) | 24,900 | 7.69 (4.06–12.28) | ||
Fin whale (B. physalus) | Historic | 2.06 (1.25–3.12) | 100 (90–120) | 104,745 | 21.58 (11.78–39.22) | |
Modern | 2.06 (1.25–3.12) | 100 (90–120) | 50,837 | 10.47 (5.72–19.03) | ||
Antarctic blue whale (B. m. intermedia) | Historic | 4.19 (2.68–6.04) | 100 (90–120) | 50,345 | 21.09 (12.14–36.49) | |
Modern | 4.19 (2.68–6.04) | 100 (90–120) | 925 | 0.39 (0.22–6.70) | ||
Antarctic blue whale (B. m. intermedia) | Division 58.4.2 | Historic | 4.19 (2.68–6.04) | 100 (90–120) | 61,363 | 25.71 (14.80–44.48) |
Modern | 4.19 (2.68–6.04) | 100 (90–120) | 476 | 0.2 (0.11–3.45) |
