abundances: Generates abundances

In richardjtelford/palaeoSig: Significance Tests for Palaeoenvironmental Reconstructions

Generates abundances

Description

Generates species abundances based on species response functions and environmental variables.

Usage

abundances(env, spp, nc)

Arguments

env	Environmental variables. Usually generated by make.env. Users may as well supply own environmental variables.
spp	Species parameters. Usually generated by species.
nc	Number of counts to be simulated. If omitted no simulation of the counting process is carried out.

Value

spp	Data frame containing species abundances.
env	Data frame containing environmental variables.

Author(s)

Mathias Trachsel and Richard J Telford

References

Minchin, P.R. (1987) Multidimensional Community Patterns: Towards a Comprehensive Model. Vegetatio, 71, 145-156.

See Also

make.env, species

Examples

spec <- species(nspp = 30,ndim = 10,Amax = runif,fun = runif, xpar = c(-50,150),
    srange = 200, alpha = 4, gamma = 4)
env.var <- make.env(100,elen =rep(100,10),emean = rep(50,10), edistr ='uniform',
    ndim = 10)
spec.abun <- abundances(env.var,spec,200)

richardjtelford/palaeoSig documentation built on March 16, 2023, 8:08 a.m.