tortoise: Projection matrices for desert tortoise

Description Usage Format Source References Examples

Description

Projection matrices for the desert tortoise Gopherus agassizii

Usage

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Format

A list of 4 projeciton matrices with 4 different fertility estimates (low, medium low, medium high, and high)

Source

Table 5 in Doak et al (1994). Used by Caswell (2001) in chapter 9 on sensitivity analysis.

References

Caswell, H. 2001. Matrix population models: construction, analysis, and interpretation, Second edition. Sinauer, Sunderland, Massachusetts, USA.

Doak, D., P. Kareiva, and B. Kleptetka. 1994. Modeling population viability for the desert tortoise in the Western Mojave Desert. Ecological Applications 4:446-460.

Examples

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data(tortoise)
A<-tortoise[["med.high"]]
# log color scale not needed
image2(A, mar=c(1,3.5, 5,1), log=FALSE, box.off=.1)
title("Tortoise projection matrix", line=3)

splitA(A)
lambda(A)
sapply(tortoise, lambda)

popbio documentation built on May 4, 2018, 1:04 a.m.