fpollen {RCALI}

Individual pollen dispersion function

Description

From a vector of distances, calculate the individual pollen dispersion function used in Genesys

Usage

fpollen(point)

Arguments

point

scalar or vector of length 2, whose first element is a distance expressed in meter.

Value

The calculated dispersions.

References

Colbach, N. and Clermont-Dauphin, C. and Meynard, J.M. Genesys: a model of the influence of cropping system on gene escape from herbicide tolerant rapeseed crops to rape volunteers. i. temporal evolution of a population of rapeseed volunteers in a field. Agriculture, Ecosystems and Environnement, 83:235-253, 2001.

See Also

fseed

Examples

distance = seq(1,1.5, by=0.05)
a=matrix(distance, ncol=1)
b= apply(a,1,fpollen)
par(pty="s")
plot(x=distance, y =b)
lines(x=distance, y = apply(a,1,fseed))