The releve
data frame has 61 rows and 8 columns. Several phytoplankton taxa were numbered in a single station from 1989 to 1992, but at irregular times.
data(releve)
This data frame contains the following columns:
days number, first observation being day 1
strings indicating the date of the observations in "dd/mm/yyyy" format
the abundance of Asterionella glacialis
the abundance of Chaetoceros sp
the abundance of Ditylum sp
the abundance of Gymnodinium sp
the abundance of Melosira sulcata + Paralia sulcata
the abundance of Navicula sp