A list that contains 3 objects:
total
a numeric dataframe with plots as rows and species as columns. It contains the abundances of all the species collected.
native
a numeric dataframe with plots as rows and species as columns. It contains the abundances of the native species collected.
alien
a numeric dataframe with plots as rows and species as columns. It contains the abundances of the alien species collected.
There are two linked lists to duneFVG, one with the geographic coordinates of the plots (duneFVG.xy) and one with the functional traits of the species (duneFVG.tr8).