sealion: Northern Sea Lion Demographic Data
In BruceKendall/PVA: Population viability analysis in R
Description
Usage
Format
Author(s)
Source
References
Description
Age-specific survival and fecundity of northern sea lion (Eumetopias
jubatus) near Marmot Island, Alaska.
Usage
1
Format
A data frame with three columns:
- age
Age in years
- surv
Annual survival probability
- fec
Annual average fecundity
The data in the last row applies to ages 13 and above; the oldest individual
observed in this population was 31 years old.
Author(s)
Bruce E. Kendall (kendall@bren.ucsb.edu)
Source
Ebert (1999), table 6.8. Data originally from Calkins and Pitcher (1982).
References
Calkins, D. G. and Pitcher, K. W. (1982) Population Assessment,
Ecology, and Trophic Relationships of Stellar Sea Lions in the Gulf of Alaska.
Alaska Department of Fish and Game Final Report RU243. Anchorage: Alaska
Department of Fish and Game.
Ebert, T. A. (1999) Plant and Animal Populations: Methods in Demography.
San Diego: Academic Press.
BruceKendall/PVA documentation built on Jan. 23, 2021, 2:56 a.m.
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Description Usage Format Author(s) Source References
Description
Age-specific survival and fecundity of northern sea lion (Eumetopias jubatus) near Marmot Island, Alaska.
Usage
1 |
Format
A data frame with three columns:
- age
Age in years
- surv
Annual survival probability
- fec
Annual average fecundity
The data in the last row applies to ages 13 and above; the oldest individual observed in this population was 31 years old.
Author(s)
Bruce E. Kendall (kendall@bren.ucsb.edu)
Source
Ebert (1999), table 6.8. Data originally from Calkins and Pitcher (1982).
References
Calkins, D. G. and Pitcher, K. W. (1982) Population Assessment, Ecology, and Trophic Relationships of Stellar Sea Lions in the Gulf of Alaska. Alaska Department of Fish and Game Final Report RU243. Anchorage: Alaska Department of Fish and Game.
Ebert, T. A. (1999) Plant and Animal Populations: Methods in Demography. San Diego: Academic Press.
R Package Documentation
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Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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