Data Zone
The site was identified as important in 2012 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Populations meeting IBA criteria ('trigger species') at the site:| Species | Red List1 | Season | Year(s) | Size | IBA criteria |
|---|---|---|---|---|---|
| Western Gull Larus occidentalis | LC | breeding | 1974-2009 | 31,100 individuals | A4i |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2012) may differ.
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| 1938 | Channel Islands | National Park | 16 |
| 1974 | San Miguel, Santa Rosa, and Santa Cruz Islands | ASBS State Water Quality Protection Area | 18 |
| 1974 | Santa Barbara and Anacapa Islands | ASBS State Water Quality Protection Area | 2 |
| 1980 | Channel Islands | National Marine Sanctuary | 46 |
| 2003 | Harris Point (San Miguel Island) | State Marine Reserve | 1 |
| 2003 | Gull Island (Santa Cruz Island) | State Marine Reserve | 1 |
| 2003 | Richardson Rock (San Miguel Island) | State Marine Reserve | 1 |
| 2003 | South Point (Santa Rosa Island) | State Marine Reserve | 1 |
| 2003 | Carrington Point (Santa Rosa Island) | State Marine Reserve | 1 |
| 2003 | Anacapa Island | State Marine Reserve | <1 |
| 2003 | Scorpion (Santa Cruz Island) | State Marine Reserve | <1 |
| 2003 | Anacapa Island | State Marine Conservation Area | <1 |
| 2003 | Judith Rock (San Miguel Island) | State Marine Reserve | <1 |
| 2003 | Painted Cave (Santa Cruz Island) | State Marine Conservation Area | <1 |
| 2003 | Skunk Point (Santa Rosa Island) | State Marine Reserve | <1 |
| 2005 | San Miguel Island | Special Closure A-1 | <1 |
| 2005 | Anacapa Island Special Closure (A) | Special Closure (A) | <1 |
| 2005 | Anacapa Island | Special Closure (B) | <1 |
| 2007 | Footprint | State Marine Reserve | <1 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Santa Barbara Basin, CA (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/santa-barbara-basin-ca-iba-usa on 24/11/2024.