Lomolino et al. (1989) investigated the relationship between the area of montane forest patches (islands) and the richness of mammal fauna in the Southwestern United States. This dataset contains richness and area information for 27 montane islands.
data(montane.island)
A data frame with 27 observations on the following 3 variables.
Island.name
a factor with levels Abajos
Animas
Blacks
Capitans
Catalinas
Chirucahuas
Chuskas
Guadalupes
Huachucas
Hualapais
Lasals
Magdalenas
Manzanos
Mogollon
Mt. Taylor
N. Rincon
N. Uncompaghre
Navajo
Organs
Pinalenos
Prescotts
S. Kabib
Sacramentos
San Mateos
Sandias
Santa Ritas
Zunis
.
Richness
A numeric vector; the number of species.
Area
A numeric vector; area in km\(^2\).