index.bio {agricolae} | R Documentation

## Biodiversity Index

### Description

Scientists use a formula called the biodiversity index to describe the amount of species diversity in a given area.

### Usage

    index.bio(data, method = c("Margalef", "Simpson.Dom", "Simpson.Div",
    "Berger.Parker", "McIntosh", "Shannon"), level=95, nboot=100, console=TRUE)

### Arguments

`data` | number of specimens
`method` | Describe method bio-diversity
`level` | Significant level
`nboot` | size bootstrap
`console` | output console TRUE

### Details

method bio-diversity. "Margalef" "Simpson.Dom" "Simpson.Div" "Berger.Parker" "McIntosh" "Shannon"

### Value

Index and confidence intervals.

### Author(s)

Felipe de Mendiburu

### References

Magurran, A.E. (1988) Ecological diversity and its measurement. Princeton University Press Efron, B., Tibshirani, R. (1993) An Introduction to the Boostrap. Chapman and Hall/CRC

### Examples

    library(agricolae)
    data(paracsho)
    # date 22-06-05 and treatment CON = application with insecticide
    specimens <- paracsho[1:10,6]
    output1 <- index.bio(specimens,method="Simpson.Div",level=95,nboot=100)
    output2 <- index.bio(specimens,method="Shannon",level=95,nboot=100)
    rbind(output1, output2)

[Package agricolae version 1.2-9 Index]