Sinc {SeedCalc}

Germination Synchrony

Description

Calculates the germination synchrony (Primack, 1980).

Usage

Sinc(time,nger)

Arguments

time

A vector object containing the time for germination.

nger

A vector object containing the accumulated number of seeds germinated at each time.

References

PRIMACK, R.B. 1980. Variation in the phenology of natural populations of montane shrubs in New Zealand. Journal of Ecology, v.68, p.849-862.

Examples

time <- c(1,2,3,4,5,6,7,8,9,10)
nger <- c(0,2,4,15,25,38,45,50,50,50)
Sinc(time,nger)