MBI: wbeta – R documentation

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Documentation

MBI

wbeta

Calculate Whittaker's beta diversity index

Description

See Chen (2012) and Baselga (2010) for introduction of the index, this index can have value larger than 1.

Usage

wbeta(data)

Arguments

data

rows of the data are sites, while columns of the data are species

Author(s)

Youhua Chen <haydi@126.com>

References

Chen Y (2012) MBI: an R package for calculating multiple-site biodiversity indices. Submitted.

Baselga A (2010) Partitioning the turnover and nestedness components of beta diversity. Global Ecology and Biogeography, 19, 134-143.

Examples

test<-c(90,30,11,5,100,46,19,70,19,1,
        17,0,0,0,30,4,20,26,12,5,37,
		0,25,0,60,30,29,42,36,19,32,
		12,0,0,50,6,39,35,18,0,35,0,
		28,0,70,35,56,49,42,0,81,15,
		36,0,90,45,72,63,54,9,13,0,
		0,5,20,1,4,0,0,0,0,0,0,0,10,
		0,0,0,41,4,72,24,7,0,80,1,64,
		56,48,0,36,0,29,0,40,32,32,2,0,0)
test<-matrix(test,10,10)
wbeta(test)

MBI

(M)ultiple-site (B)iodiversity (I)ndices Calculator

v1.0

GPL-2

Authors

Youhua Chen

Initial release

2012-10-17