checkerspot: Bay Checkerspot Butterfly Population Data
In BruceKendall/PVA: Population viability analysis in R
Description
Usage
Format
Author(s)
Source
References
Description
Estimated number of female Bay checkerspot butterflies (Euphydryas
editha bayensis) from the JRC population
(near San Francisco), each year from 1960 to 1986. Abundances estimated with
mark-recapture methods.
Usage
1
Format
A data frame with three columns:
- yr
Census year
- N
Estimated number of butterflies
Author(s)
Bruce E. Kendall (kendall@bren.ucsb.edu)
Source
Morris and Doak (2002), table 4.1. Data originally from Harrison et al. (1991).
References
Harrison, S., Quinn, J. F., Baughman, J. F., Murphy, D. D. and Erlich, P. R.
(1991) Estimating the effects of scientific study on two butterfly populations.
American Naturalist 137, 227–243.
Morris, W. F. and Doak D. F. (2002) Quantitative Conservation Biology:
Theory and Practice of Population Viability Analysis.
Sunderland: Sinauer Associates.
BruceKendall/PVA documentation built on Jan. 23, 2021, 2:56 a.m.
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Description Usage Format Author(s) Source References
Description
Estimated number of female Bay checkerspot butterflies (Euphydryas editha bayensis) from the JRC population (near San Francisco), each year from 1960 to 1986. Abundances estimated with mark-recapture methods.
Usage
1 |
Format
A data frame with three columns:
- yr
Census year
- N
Estimated number of butterflies
Author(s)
Bruce E. Kendall (kendall@bren.ucsb.edu)
Source
Morris and Doak (2002), table 4.1. Data originally from Harrison et al. (1991).
References
Harrison, S., Quinn, J. F., Baughman, J. F., Murphy, D. D. and Erlich, P. R. (1991) Estimating the effects of scientific study on two butterfly populations. American Naturalist 137, 227–243.
Morris, W. F. and Doak D. F. (2002) Quantitative Conservation Biology: Theory and Practice of Population Viability Analysis. Sunderland: Sinauer Associates.
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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