tortoise: Projection matrices for desert tortoise

In popbio: Construction and Analysis of Matrix Population Models

Description

Projection matrices for the desert tortoise Gopherus agassizii with 4 different fertility estimates (low, medium low, medium high, and high)

Usage

tortoise

Format

A list of 4 matrices

Source

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

References

Morris, W. F., and D. F. Doak. 2002. Quantitative conservation biology: Theory and practice of population viability analysis. Sinauer, Sunderland, Massachusetts, USA.

Examples

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 March 26, 2020, 8:44 p.m.