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Allogny: Spatial pattern of oaks suffering from frost shake in Allogny, France.

Description

Spatial pattern of sound and split oaks (Quercus petraea) suffering from frost shake in a 2.35-ha plot in Allogny, France.

Usage

data(Allogny)

Arguments

Format

A list with 4 components:
$rect is a vector of coordinates \((xmin,ymin,xmax,ymax)\) of the origin and the opposite corner of a 125 by 188 m square plot.
$trees is a list of tree coordinates \((x,y)\).
$status is a factor with 2 levels \(("splited","sound")\).

References

Goreaud, F. & Pelissier, R. 2003. Avoiding misinterpretation of biotic interactions with the intertype K12-function: population independence vs. random labelling hypotheses. Journal of Vegetation Science, 14: 681-692.

Examples

Run this code
data(Allogny)
allo.spp <- spp(Allogny$trees, mark=Allogny$status, window=Allogny$rect)
plot(allo.spp)

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