popdemo (version 1.3-1)

Tort: Desert tortoise matrix

Description

Matrix Projection Model for the desert tortoise Gopherus agassizii with medium fecundity. The matrix is based on a population in the Western Mojave desert. Stages are based on age and size (carapace length in mm): Stage 1: Yearling (age 0-1) Stage 2: Juvenile 1 (<60 mm) Stage 3: Juvenile 2 (90-99mm) Stage 4: Immature 1 (100-139mm) Stage 5: Immature 2 (140-179mm) Stage 6: Subadult (180-207mm) Stage 7: Adult 1 (208-239mm) Stage 8: Adult 2 (>240mm).

Usage

data(Tort)

Format

Object of class matrix

References

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

Examples

# NOT RUN {
  # read in data and view
  data(Tort)
  Tort

# }