popbio (version 1.0.1)

monkeyflower: Projection matrices for monkeyflower

Description

Pooled and annual projection matrices of central and marginal populations of monkeyflowers (Mimulus cardinalis and M. lewisii)

Usage

data(monkeyflower)

source

http://www.esapubs.org/archive/ecol/E087/126/appendix-E.htm

Details

Matrix constructed using a post-breeding census with four stage classes: Seeds, small non-reproductive, large non-reproductive, and reproductive.

References

Amy Lauren Angert. 2006. Demography of central and marginal populations of monkeyflowers (Mimulus cardinalis and M. lewisii). Ecology 87:2014-2025.

Examples

data(monkeyflower)

A <- subset(monkeyflower, 
           species=="cardinalis" & site=="Carlon" & year=="pooled",  
           select=c(4:19))

stages<-c("seed", "sm.nr", "lg.nr", "repro")

A <- matrix(unlist(A), nrow=4, byrow=TRUE, dimnames=list(stages, stages) )

A

eigen.analysis(A)

## mean matrix growth rate
eigen.analysis(matrix(apply(monkeyflower[,4:19], 2, mean), nrow=4))$lambda