Couepia {ads} | R Documentation |
Spatial pattern of 34 mature individuals and 173 young individuals of the tree species Couepia caryophylloides (Chrysobalanaceae) in a 25-ha forest plot in Paracou, French Guiana.
data(Couepia)
A list with 4 components:
$rect
is a vector of coordinates (xmin,ymin,xmax,ymax) of the origin and the opposite corner of a 500 by 500 m rectangular plot.
$tri
is a list of vertice coordinates (ax,ay,bx,by,cx,cy) of contiguous triangles covering swampy parts of the plot.
$trees
is a list of tree coordinates (x,y).
$stage
is a factor with 2 levels ("mature","young").
Collinet, F. 1997. Essai de regroupement des principales espèces structurantes d'une foret dense humide d'après l'analyse de leur répartition spatiale (foret de Paracou - Guyane). Thèse de doctorat, Université Claude Bernard, Lyon, France.
Goreaud, F. & Pélissier, R. 2003. Avoiding misinterpretation of biotic interactions with the intertype K12-function: population independence vs. random labelling hypotheses. Journal of Vegetation Science, 14: 681-692.
data(Couepia) coca.spp<-spp(Couepia$trees,mark=Couepia$stage,window=Couepia$rect,triangles=Couepia$tri) plot(coca.spp)