niche.overlap.pair: Niche overlap between one pair of species.

In spaa: SPecies Association Analysis

Description

Compute niche overlap index between one pair of species. Users are encouraged to used niche.overlap istead of this function.

Usage

niche.overlap.pair(vectA, vectB, method = c("pianka", 
     "schoener","petraitis","czech","morisita", "levins"))

Arguments

vectA	A numerical vector including species A's abundance or value of importance.
vectB	A numerical vector including species B's abundance or value of importance.
method	Niche overlap index to be applied.

Details

None

Value

Niche overlap index.

Author(s)

Jinlong Zhang [e-mail]

References

Zhang Jin-tun,(2004 ) Quantitative Ecology, Science Press, Beijing

Nicholas J. Gotelli. 2000. Null model analysis of species co-occurrence patterns. Ecology 81:2606-2621. http://esapubs.org/archive/ecol/E081/022/EcoSim

See Also

niche.overlap

Examples

### niche.overlap.pair() example
data(datasample)
niche.overlap.pair(datasample[,1],datasample[,2], method = "levins")

spaa documentation built on May 2, 2019, 9:44 a.m.