emdbook (version 1.3.2.1)

Fir: Data on fir (Abies) life history

Description

Data on various aspects of life history (diameter at breast height, onset of reproduction, crowding, fecundity) from subalpine Abies balsamea, from Dodd and Silvertown

Usage

data(FirDBHFec)
data(FirDBHFec_sum)

source

J. Silvertown and M. Dodd, Evolution of life history in balsam fir (Abies balsamea) in subalpine forests, Proc. Roy. Soc. Lond. B (1999) 266, 729-733.

References

M. Dodd and J. Silvertown, Size-specific fecundity and the influence of lifetime size variation upon effective population size in Abies balsamea

Examples

data(FirDBHFec_sum)
attach(FirDBHFec_sum)
plot(DBH,fecundity,col=as.numeric(pop),pch=as.numeric(pop))
lms = lapply(split(FirDBHFec_sum,pop),lm,formula=fecundity~DBH)
for (i in 1:2) abline(lms[[i]],col=i)
detach(FirDBHFec_sum)