niche.overlap.pair {spaa} | R Documentation |
Compute niche overlap index between two species
Description
Compute niche overlap index between two species. This is an internal function, used niche.overlap
instead.
Usage
niche.overlap.pair(vectA, vectB, method = c("pianka",
"schoener","petraitis","czech","morisita", "levins"))
Arguments
vectA |
A numeric vector containing species A's abundance or importance value |
vectB |
A numeric vector containing species B's abundance or importance value |
method |
Niche overlap index |
Details
None
Value
The niche overlap index
Author(s)
Jinlong Zhang jinlongzhang01@gmail.com
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
Examples
data(datasample)
niche.overlap.pair(datasample[,1],datasample[,2], method = "levins")
[Package spaa version 0.2.5 Index]