This is where you write the description
pr_add_Carbon(df, meth)
Dataframe with Carbon included
df <- data.frame(TaxonGroup = c("Dinoflagellate", "Cyanobacteria"),
Biovolume_um3L = c(100, 150), Cells_L = c(10, 8))
df <- pr_add_Carbon(df, "NRS")
df <- data.frame(TaxonGroup = c("Dinoflagellate", "Cyanobacteria"),
BioVolume_um3m3 = c(100, 150), PhytoAbund_m3 = c(10, 8))
df <- pr_add_Carbon(df, "CPR")