ads (version 1.4)

Allogny: 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)

encoding

latin1

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. and Roustan, F. 1990. Recherche de corr�lations entre les param�tres �daphiques, et plus sp�cialement texture, hydromorphie et drainage interne, et la r�ponse individuelle des chenes sessiles et p�doncul�s � la g�livure. Rapport de recherche ENITEF, Nogent sur Vernisson, France.

References

Goreaud, F. & P�lissier, 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)