Allogny {ads} | R Documentation |
Spatial pattern of sound and splited oaks (Quercus petraea) suffering from frost shake in a 2.35-ha plot in Allogny, France.
data(Allogny)
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).
$status
is a factor with 2 levels ("splited","sound").
Grandjean, G., Jabiol, B., Bruchiamacchie, M. & Roustan, F. 1990. Recherche de corrélations entre les paramètres édaphiques, et plus spécialement texture, hydromorphie et drainage interne, et la réponse individuelle des chenes sessiles et pédonculés à la gélivure. Rapport de recherche ENITEF, Nogent sur Vernisson, France.
Goreaud, F. & Pélissier, R. 2003. Avoiding misinterpretation of biotic interactions with the intertype K12-function: population independence vs. random labelling hypotheses. Journal of Vegetation Science, 14: 681-692.
data(Allogny) allo.spp<-spp(Allogny$trees,mark=Allogny$status,window=Allogny$rect) plot(allo.spp)