The column heading "Mortality per 104 km2" for Tables 4–9 appears incorrectly. Please see the corrected Tables 4–9 here.
Table 4. Statistics of blue whale strike mortality within the Biologically Important Areas (BIAs) defined in Calambokidis et al. 2015.
Total mortality, mortality per 100,000 km2 and percent of total study area mortality are reported for each BIA.
| Name | BIA Area (km2) | Months of peak abundance | Area Mortality | Mortality per 105 km2 | Percent of total mortality |
|---|---|---|---|---|---|
| Gulf of the Farallones | 5,243 | July—November | <1 | 14 | 4% |
| Monterey Bay to Pescadero Pt | 2,378 | July—October | <1 | 4 | <1% |
| Santa Barbara Channel to San Miguel | 1,981 | June—October | <1 | 22 | 2% |
| Pt Conception to Pt Sal | 1,743 | June—October | <1 | 9 | <1% |
| Pt Arena to Fort Bragg | 1,419 | August—November | <1 | 1 | <1% |
| Santa Monica Bay to Long Beach | 1,187 | June—October | <1 | 51 | 3% |
| Tanner-Cortez Bank | 1,076 | June—October | <1 | 5 | <1% |
| San Diego | 984 | June—October | <1 | 20 | 1% |
| San Nicholas Is | 427 | June—October | <1 | 3 | <1% |
Table 9. Mortality on and off the continental shelf (defined by the 200-meter isobath).
Mortality per 100,000 km2 and percent of total study area mortality are also reported for each region.
| BLWH Mortality | HUWH Mortality | FIWH Mortality | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Area Name | Area (km2) | Area mortality | Mortality per 105 km2 | Percent of total mortality | Area mortality | Mortality per 105 km2 | Percent of total mortality | Area mortality | Mortality per 105 km2 | Percent of total mortality |
| Continental shelf | 57,030 | 3 | 5 | 15% | 8 | 14 | 36% | 1 | 2 | 3% |
| >200m | 754,905 | 15 | 2 | 85% | 14 | 2 | 64% | 41 | 6 | 97% |
Table 5. Statistics of humpback whale strike mortality within the Biologically Important Areas (BIAs) defined in Calambokidis et al. 2015.
Total mortality, mortality per 100,000 km2 and percent of total study area mortality are reported for each BIA.
| Name | BIA Area (km2) | Months of peak abundance | Area Mortality | Mortality per 105 km2 | Percent of total mortality |
|---|---|---|---|---|---|
| Gulf of the Farallones—Monterey Bay | 9,761 | July—November | 3 | 32 | 17% |
| Northern WA | 3,393 | May—November | <1 | 6 | 1% |
| Stonewall and Heceta Bank | 2,573 | May—November | <1 | <1 | <1% |
| Santa Barbara Channel—San Miguel | 2,639 | March—September | <1 | 15 | 2% |
| Morro Bay to Pt Sal | 1,908 | April—November | <1 | 2 | <1% |
| Fort Bragg to Pt. Arena | 1,591 | July—November | <1 | 2 | <1% |
| Pt St. George | 1,233 | July—November | <1 | <1 | <1% |
Table 6. Mortality statistics for shipping lanes.
Mortality per 100,000 km2 and percent of total study area mortality are also reported for each region.
| Blue Whales | Humpback Whales | Fin Whales | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Region | Area (km2) | Area Mortality | Mortality per 105 km2 | Percent of total mortality | Area Mortality | Mortality per 105 km2 | Percent of total mortality | Area Mortality | Mortality per 105 km2 | Percent of total mortality |
| San Francisco | 1,136 | 1 | 65 | 4% | 3 | 255 | 13% | <1 | 20 | <1% |
| Southern California | 2,314 | 1 | 61 | 8% | <1 | 36 | 4% | 1 | 48 | 3% |
| Washington | 166 | <1 | 4 | <1% | <1 | 6 | <1% | <1 | <1 | <1% |
| Waters outside lanes | 798,015 | 16 | 2 | 86% | 18 | 2 | 81% | 41 | 5 | 96% |
Table 7. Mortality within National Marine Sanctuaries.
Mortality per 100,000 km2 and percent of total study area mortality are also reported for each sanctuary.
| Blue Whales | Humpback Whales | Fin Whales | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| National Marine Sanctuary | Area (km2) | Area Mortality | Mortality per 105 km2 | Percent of total mortality | Area Mortality | Mortality per 105 km2 | Percent of total mortality | Area Mortality | Mortality per 105 km2 | Percent of total mortality |
| Cordell Bank | 3,331 | <1 | 12 | 2% | 1 | 34 | 5% | <1 | 10 | <1% |
| Channel Islands | 3,818 | <1 | 13 | 3% | <1 | 6 | 1% | <1 | 10 | <1% |
| Greater Farallones | 8,548 | 1 | 14 | 7% | 4 | 49 | 19% | <1 | 7 | 1% |
| Monterey Bay | 15,795 | <1 | 5 | 4% | 3 | 18 | 13% | 2 | 10 | 4% |
| Olympic Coast | 8,259 | <1 | <1 | <1% | <1 | 9 | 4% | <1 | <1 | <1% |
Table 8. Mortality within sovereign waters (3 Nm offshore) for each of the three west coast states, California, Oregon and Washington.
Mortality per 100,000 km2 and percent of total study area mortality are also reported for each state.
| Blue Whale | Humpback Whale | Fin Whale | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Jurisdiction Name | Area (km2) | Area mortality | Mortality per 105 km2 | Percent of total mortality | Area mortality | Mortality per 105 km2 | Percent of total mortality | Area mortality | Mortality per 105 km2 | Percent of total mortality |
| California | 14,280 | <1 | 5 | 4% | <1 | 4 | 3% | <1 | 2 | <1% |
| Oregon | 3,268 | <1 | <1 | <1% | <1 | 2 | <1% | <1 | <1 | <1% |
| Washington | 2,049 | <1 | <1 | <1% | <1 | 2 | <1% | <1 | <1 | <1% |
In the Results and Discussion sections, the units for "mortality per area" and "strike intensity" also appear incorrectly. The correct units for "mortality per area" and "strike intensity" should be 105 km2.
Reference
- 1.Rockwood RC, Calambokidis J, Jahncke J (2017) High mortality of blue, humpback and fin whales from modeling of vessel collisions on the U.S. West Coast suggests population impacts and insufficient protection. PLoS ONE 12(8): e0183052 10.1371/journal.pone.0183052 [DOI] [PMC free article] [PubMed] [Google Scholar]
