Ashy Storm Petrel (Oceanodroma homochroa)
Ashy Storm Petrel (Oceanodroma homochroa)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sample Size | Location | Type | California Counties | Countries | Error |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | See citation Figure 8 | Chicks fledged/nest | % | Orizaba Rock, Santa Cruz Island | Exposure Factor Datasets | Santa Barbara | USA | ||
Fledging or Weaning Rate | See citation Figure 8 | Chicks fledged/nest | % | Cave of the Birds' Eggs, Santa Cruz Island | Exposure Factor Datasets | Santa Barbara | USA | ||
Hatching Success | 2008–2011: 49.5 | Breeding success in artificial and natural nests (percent of nests fledging chicks) | 105 | Orizaba Rock, Santa Cruz Island | Exposure Factor Datasets | Santa Barbara | USA | ||
Hatching Success | 2005–2011: 71.2 | Breeding success in natural nests (percent of nests fledging chicks) | 156 | Cave of the Birds' Eggs, Santa Cruz Island | Exposure Factor Datasets | Santa Barbara | USA | ||
Time of Mating/ Laying | 43267 | 96 | Orizaba Rock, Santa Cruz Island | Exposure Factor Datasets | Santa Barbara | USA | 2.5 | ||
Time of Mating/ Laying | 43257 | 156 | Cave of the Birds' Eggs, Santa Cruz Island | Exposure Factor Datasets | Santa Barbara | USA | 2.1 |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 34.7 | g | M | Adult | 28 | Channel Islands | Exposure Factor Datasets | Santa Barbara | USA | 2.1 |
Body Weight - Mean | 36.1 | g | F | Adult | 71 | Channel Islands | Exposure Factor Datasets | Santa Barbara | USA | 2.8 |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Sample Size | Location | Type | California Counties | Countries | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 34.2 | g | NR | 19 | Anacapa Islands | Exposure Factor Datasets | Ventura | USA | 2.3 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Location | Type | California Counties | Countries |
---|---|---|---|---|---|---|---|
Population Density | Total individuals: 6,461; breeders: 3,402 | Estimated population size on island | B | South Farallon Island | Exposure Factor Datasets | San Francisco | USA |
Population Density | Total individuals:4,284; breeders: 1,990 | Estimated population size on island | B | South Farallon Island | Exposure Factor Datasets | San Francisco | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition | Countries |
---|---|---|---|---|---|---|---|---|---|---|
Time of Molt | Body: egg-hatching,Rectrice: 40 days post egg-hatch, Primaries: 30 days post-rectrice molt start, Secondaries: immediately post-primaries | Start time of molting relative to breeding | Adult | 981 | South Farallon Island | Exposure Factor Datasets | San Francisco | Breeding | USA | |
Time of Molt | Body: adult egg-laying,Rectrice: 40 days post egg-laying by adults, Primaries: 30 days post-rectrice molt start, Secondaries: immediately post-primaries | Start time of molting relative to breeding | Days | Juvenile | 981 | South Farallon Island | Exposure Factor Datasets | San Francisco | USA | |
Time of Molt | 257 | Length of molt cycle | Days | Adult | 981 | South Farallon Island | Exposure Factor Datasets | San Francisco | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Population Density | 0.09 | Individuals/sq km | Individuals/sq km | B | Both Adults and Juveniles | 977 | Bodega Bay-Cypress Point | Exposure Factor Datasets | USA | 1.6041 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Sample Size | Location | Type | California Counties | Condition | Countries |
---|---|---|---|---|---|---|---|---|---|---|
Population Density | See citation Table 2 | Number of active nests/number of potential sites checked | Number of active nests/number of potential sites checked | B | See citation | Point Reyes National Seashore |
Exposure Factor Datasets | Marin | Breeding | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Countries |
---|---|---|---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | >76 | Days post hatch | Days | NR | Fledgling | 1 | Anacapa Islands | Exposure Factor Datasets | Ventura | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Population Density | 10000 | Approx. individuals off CA coast | Individuals | B | 10,000 | Exposure Factor Datasets | USA | |
Population Density | See citation Figure 20 | Birds/sq km | B | Exposure Factor Datasets | USA |