Birds in Paramo Vegetation Data

The data were originally derived from a study which investigated numbers of bird species in isolated islands of paramo vegetation in the northern Andes.

Usage

data(birds)

Format

A data frame with 14 observations on the following 5 variables.

N

number of species

AR

area of island in thousands of square km

EL

elevation in thousands of m

Dec

distance from Ecuador in km

DNI

distance to the nearest island in km

Source

F. Vuilleumier (1970), Insular biogeography in continental regions. I. The northern Andes of South America. The American Naturalist 104, 373–388