songsparrow {PVAClone}

Abundance time series of Song Sparrow

Description

Counts for Song Sparrow (Melospiza melodia) on Mandarte Island, British Columbia, Canada from 1975–1998 reported in Saether et al. (2000).

Usage

data(songsparrow)

Format

The format is: num [1:24] 35 31 45 48 66 9 19 26 54 ...

Details

Song Sparrow abundance time series.

Source

Peter Arcese kindly provided the Song Sparrow population counts data.

References

Nadeem, K., Lele S. R., 2012. Likelihood based population viability analysis in the presence of observation error. Oikos 121, 1656–1664.

Saether, B. et al. 2000. Estimating the time to extinction in an island population of song sparrows. Proc. R. Soc. B 267, 621–626.

Examples

data(songsparrow)
songsparrow
plot(songsparrow)