rpjdl {ade4}R Documentation

Avifauna and Vegetation

Description

This data set gives the abundance of 52 species and 8 environmental variables in 182 sites.

Usage

data(rpjdl)

Format

rpjdl is a list of 5 components.

    fau
    is the faunistic array of 182 sites (rows) and 52 species (columns).
    mil
    is the array of environmental variables : 182 sites and 8 variables.
    frlab
    is a vector of the names of species in French.
    lalab
    is a vector of the names of species in Latin.
    lab
    is a vector of the simplified labels of species.

Source

Prodon, R. and Lebreton, J.D. (1981)
Breeding avifauna of a Mediterranean succession : the holm oak and cork oak series in the eastern Pyrénées.
1 : Analysis and modelling of the structure gradient.
Oïkos, 37, 21–38.

Lebreton, J. D., Chessel D., Prodon R. and Yoccoz N. (1988)
L'analyse des relations espèces-milieu par l'analyse canonique des correspondances.
I. Variables de milieu quantitatives.
Acta Oecologica, Oecologia Generalis, 9, 53–67.

Examples

data(rpjdl)
xy <- dudi.coa(rpjdl$fau, scann = FALSE)$l1
s.distri(xy, rpjdl$fau, 2, 1, cstar = 0.3, cell = 0)

xy1 <- dudi.pca(rpjdl$fau, scal = FALSE, scann = FALSE)$l1
s.distri(xy1, rpjdl$fau, 2, 1, cstar = 0.3, cell = 0)

cca1 <- cca(rpjdl$fau, rpjdl$mil, scan = FALSE)
plot(cca1)


[Package Contents]