Scientific Name: Phoebastria nigripes
Global
1% of the global population estimate. This threshold is used to identify trigger species and IBAs under categories A4i/ii and A4iv.
Global SAR
A global species-at-risk threshold which is static and standard, based on the IUCN's global species-at-risk status.
Regional/Continental
1% of the regional/continental population estimate.
Sub-regional/National SAR
The sub-regional/national SAR threshold = 1% of the COSEWIC population estimate for the region (provinces/territories) in which the species is listed as being at risk. This threshold is used to identify trigger species and IBAs under criterion C1.
Scott Island Group (BC006) | ||
---|---|---|
Number | Year | Season |
250 | 2015 | Spring |
20 | 2002 | Fall |
Amphitrite and Swiftsure Banks (BC097) | ||
---|---|---|
Number | Year | Season |
20 | 2012 | Spring |
65 | 1992 | Fall |
Cleland Island & Southeast Clayoquot Sound (BC080) | ||
---|---|---|
Number | Year | Season |
30 | 2016 | Fall |
Tofino Mudflats (BC002) | ||
---|---|---|
Number | Year | Season |
30 | 2017 | Fall |
Barkley Sound (BC075) | ||
---|---|---|
Number | Year | Season |
24 | 2012 | Fall |
25 | 1993 | Spring |
Duke of Edinburgh Ecological Reserve (BC007) | ||
---|---|---|
Number | Year | Season |
21 | 2016 | Summer |