Nom scientifique: Phoebastria nigripes
Global
1% of the global abundance. This threshold is used to identify tigger species and IBA's under A4i/ii and A4iv categories
Global SAR
Global species at risk threshold which are static and standard based on the IUCNs global species at risk status.
Regional/Continental
1% of the regional/continental population Estimate
Sub-regional/National SAR
The sub-regional/national SAR population threshold = 1% of the COSEWIC population estimate within the region (provinces/territories) 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) | ||
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Nombre | Année | Saison |
250 | 2015 | Printemps |
20 | 2002 | Automne |
Amphitrite and Swiftsure Banks (BC097) | ||
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Nombre | Année | Saison |
20 | 2012 | Printemps |
65 | 1992 | Automne |
Cleland Island & Southeast Clayoquot Sound (BC080) | ||
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Nombre | Année | Saison |
30 | 2016 | Automne |
Tofino Mudflats (BC002) | ||
---|---|---|
Nombre | Année | Saison |
30 | 2017 | Automne |
Barkley Sound (BC075) | ||
---|---|---|
Nombre | Année | Saison |
24 | 2012 | Automne |
25 | 1993 | Printemps |
Duke of Edinburgh Ecological Reserve (BC007) | ||
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Nombre | Année | Saison |
21 | 2016 | Été |