This data set stores the results of the monitoring of lynx in the French Jura between 1980 and 1999. These data have been collected by the Lynx Network of the french wildlife management office (Office national de la chasse et de la faune sauvage).
data(lynxjura)
The list lynxjura
has two components:
map
is an object of class SpatialPixelsDataFrame
(see help(SpatialPixelsDataFrame)
) that describes several
variables on the study area: forets
is the density of
forests, hydro
is the density of rivers, routes
is the
density of roads and artif
is the distance from urbanized
areas.
locs
is an object of class SpatialPointsDataFrame
containing the locations of presence indices of the lynx. X
and Y
are the x and y coordinates, Date
is the date of
the collection of the indice and Type
represents the type of
data (C
: alive lynx captured, D
: attacks on livestock,
E
: prints or tracks, F
: feces, J
: hairs,
L
: corpse of lynx, O
: sightings and P
: attacks
on wild prey).