margalef {benthos}R Documentation

Margalef Index of Diversity

Description

Margalef Index of Diversity is given by

D = (S-1)/ln(N)

For N=1, the index is set to 0.

Usage

margalef(.data = NULL, taxon, count)

margalef_(.data = NULL, taxon, count)

Arguments

.data

data in a data.frame, data_frame, data.table, database etc.

taxon

taxa names (character)

count

counts (numeric)

Value

Margalef diversity index (numeric vector of length 1)

Functions

Examples

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

[Package benthos version 1.3-6 Index]