species_richness: Species Richness

In benthos: Marine Benthic Ecosystem Analysis

Species Richness

Description

Species richness (S) is defined as the number of taxa (lowest identification level possible) per sampling unit (data pool or box core sample).

Usage

species_richness(.data = NULL, taxon, count = NULL)

species_richness_(.data = NULL, taxon, count = NULL)

Arguments

.data	data in a data.frame, tibble, data.table, database etc.
taxon	taxa names (character)
count	number of individuals for each taxon (numeric)

Value

species richness (integer vector of length 1)

Functions

• species_richness_(): version suitable for calling from a function (see package lazyeval).

Examples

 species_richness(
     taxon = c("Euspira pulchella", "Nephtys cirrosa"), 
     count = c(4, 6)
 )
 

benthos documentation built on Aug. 22, 2022, 5:07 p.m.