format
dunedata
is a list with 2 components.
- envir
{is a data frame with 30 rows (sites) 5 columns (environnemental variables).}
- veg
{is a data frame with 30 rows (sites) 20 columns (plant species).}source
Jongman, R. H., ter Braak, C. J. F. and van Tongeren, O. F. R. (1987)
Data analysis in community and landscape ecology, Pudoc, Wageningen.