Driscoll and Roberts (1997) examined the impact of fire on the Walpole frog (Geocrinia lutea) in catchments in Western Australia by counting the number of calling males in six paired burn and control sites for three years following spring burning in 1991.
data(frog)
A data frame with 18 observations on the following 3 variables.
catchment
A factor with levels angove
logging
newpipe
newquinE
newquinW
oldquinE
.
frogs
The difference in the number of male frog calls for control - burned sites.
year
Year.
Driscoll, D. A., and J. D. Roberts. 1997. Impact of fuel-reduction burning on the frog Geocrinia lutea in southwest Western Australia. Australian Journal of Ecology 22:334-339.