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=500, 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

data vector
method method bio-diversity
level value 0-100 percentage
nboot size 100, 500,...

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=200)
output2 <- index.bio(specimens,method="Shannon",level=95,nboot=200)
rbind(output1, output2)

[Package agricolae version 1.0-7 Index]