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Species richness (\(S\)) is defined as the number of taxa (lowest identification level possible) per sampling unit (data pool or box core sample).
species_richness(taxon, count = NULL)
species richness (integer vector of length 1)
integer
taxa names (character)
character
number of individuals for each taxon (numeric)
numeric
species_richness( taxon = c("Euspira pulchella", "Nephtys cirrosa"), count = c(4, 6) )
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