This function calculates the indicator for the presence of plant parasitic nematodes. All nematodes present in a sample are used. A subset of nematodes is weighted in the set regardless of their presence.

ind_nematodes_list(A_NEMA)

Arguments

A_NEMA

(data.table) Long data table with the counted nematodes of a parcel.

Value

The evaluated score for the soil function for nematode community. A numeric value between 0 and 1.

Examples


if (FALSE) { # \dontrun{
ind_nematodes_list(data.table(species = 'Cysteaaltjes',count = 200))
ind_nematodes_list(data.table(species = c('Cysteaaltjes','Ditylenchus dipsaci'),
count = c(200,7)))
} # }