Data are the number of butterfly species in 16 islands of forest of
various sizes in otherwise cleared areas in Brazil.
Usage
ex0822
Arguments
Format
A data frame with 16 observations on the following 2 variables.
Area
area (ha) of forest patch
Species
number of butterfly species
References
Lovejoy, T.E., Rankin, J.M., Bierregaard, Jr., R.O., Brown, Jr., K.S.,
Emmons, L.H. and van der Voort, M. (1984). Ecosystem decay of Amazon
forest remnants in Nitecki, M.H. (ed.) Extinctions,
University of Chicago Press.