ade4 (version 1.2-2)

mollusc: Faunistic Communities and Sampling Experiment

Description

This data set gives the abundance of 32 mollusk species in 163 samples. For each sample, 4 informations are known : the sampling sites, the seasons, the sampler types and the time of exposure.

Usage

data(mollusc)

source

Richardot-Coulet, M., Chessel D. and Bournaud M. (1986) Typological value of the benthos of old beds of a large river. Methodological approach. Archiv f�r Hydrobiologie, 107, 363--383.

Examples

data(mollusc)
coa1 <- dudi.coa(log(mollusc$fau + 1), scannf = FALSE, nf = 3)
par(mfrow = c(2,2))
s.chull(coa1$li, mollusc$plan$site, 2, 3, opt = 1, cpoi = 1)
s.chull(coa1$li, mollusc$plan$season, 2, 3, opt = 1, cpoi = 1)
s.chull(coa1$li, mollusc$plan$method, 2, 3, opt = 1, cpoi = 1)
s.chull(coa1$li, mollusc$plan$duration, 2, 3, opt = 1, cpoi = 1)
par(mfrow=c(1,1))