popdemo (version 0.2-3)

Tort : Desert tortoise matrix

Description

Population projection matrix for the desert tortoise Gopherus agassizii with medium fecundity.

Usage

data(Tort)

Details

The matrix is based on a population in the Western Mojave desert. Stages are based on age and size (carapace length in mm): Yearling (age 0-1) Juvenile 1 (<60 1="" 2="" mm)="" juvenile="" (90-99mm)="" immature="" (100-139mm)="" (140-179mm)="" subadult="" (180-207mm)="" adult="" (208-239mm)="" (="">240mm).

References

Doak et al. (1994) Ecol. Appl., 4, 446-460.

Examples

    # read in data
    data(Tort)
    Tort