Procellariiformes

Displaying 19 data points

Ashy Storm Petrel (Oceanodroma homochroa)

Citation:

Use of social attraction to restore Ashy Storm-Petrels Oceanodroma homochroa at Orizaba Rock, Santa Cruz Island, California.

Author(s)

McIver, W.R., Carter, H.R., Harvey, A.L., Mazurkiewicz, D.M. and Mason, J.W.

Volume

44
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

Citation:

Ashy Storm-Petrel Oceanodroma homochroa mist-netting and capture rates in the California Channel Islands, 2004–2007.

Author(s)

Adams, J.

Volume

44
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

Citation:

Ecomorphological differences in foraging and pattering behavior among storm-petrels in the eastern Pacific Ocean.

Author(s)

Sausner, J., Torres-Mura, J.C., Robertson, J. and Hertel, F.

Issue

3

Volume

133
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

Citation:

Status and trends of the Ashy Storm-petrel on Southeast Farallon Island, California, based upon capture-recapture analyses.

Author(s)

Sydeman, W.J., Nur, N., McLaren, E.B. and McChesney, G.J.

Issue

3

Volume

100
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

Citation:

Molt in Leach's and Ashy storm-petrels.

Author(s)

Ainley, D.G., Lewis, T.J. and Morrell, S.
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

Citation:

Top-down and bottom-up factors affecting seabird population trends in the California current system (1985–2006).

Author(s)

Ainley, D.G. and Hyrenbach, K.D.

Issue

3

Volume

84
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

Citation:

Status and monitoring of Ashy Storm-Petrels Oceanodroma homochroa at Point Reyes National Seashore, California, 2012–2015.

Author(s)

Becker, B.H., Carter, H.R., Henderson, R.P., Weinstein, A.M. and Parker, M.W.

Volume

44
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

Citation:

Changing breeding status of the ashy storm-petrel Oceanodroma homochroa on Anacapa Island, California.

Author(s)

Harvey, A.L., Mazurkiewicz, D.M., McKown, M.W., Barnes, K.W. and Parker, M.W.

Volume

44
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

Citation:

At-Sea distribution and abundance of seabirds off southern California: a 20-Year comparison

Author(s)

Mason, J.W., McChesney, G.J., McIver, W.R., Carter, H.R., Takekawa, J.Y., Golightly, R.T., Ackerman, J.T., Orthmeyer, D.L., Perry, W.M., Yee, J.L. and Pierson, M.O.

Volume

33
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

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