Allogny {ads}R Documentation

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

Description

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

Usage

data(Allogny)

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").

Source

Grandjean, G., Jabiol, B., Bruchiamacchie, M. & Roustan, F. 1990. Recherche de corrélations entre les paramètres édaphiques, et plus spécialement texture, hydromorphie et drainage interne, et la réponse individuelle des chenes sessiles et pédonculés à la gélivure. Rapport de recherche ENITEF, Nogent sur Vernisson, France.

References

Goreaud, F. & Pélissier, 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

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

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