\name{vanoise}
\docType{data}
\alias{vanoise}
\title{Habitat Use by Three Species of Galliformes in the Vanoise
  National Parc}
\description{
  This data frame describes the habitat use by the Black Grouse
  (\emph{Tetrao tetrix}), the Rock Partridge (\emph{Alectoris graeca})
  and the Rock Ptarmigan (\emph{Lagopus mutus}), in the Vanoise National
  Park (French Alps), from 1990 to 2000.
}
\usage{data(vanoise)}
\format{
  This data frame has 3110 rows and eight columns describing the habitat
  composition 
  for each occurrence of three species of Galliformes. For each
  located occurrence (in rows), the employees of the national park have noted:
  the species, the elevation (in metres), the aspect (8 classes), the
  habitat type (7 categories, \code{FR} means "fallen rocks") and the
  date (season, day, month and year).
}
\source{
  Calenge, C., Martinot, J.P. and Lebreton, P. (2003)
  Ecological niche separation among mountain Galliformes in the Vanoise
  National Parc. \emph{Game and Wildlife Science}, 20, 259-285.
}
\keyword{datasets}
