Tort {popdemo} | R Documentation |
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
# read in data and view
data(Tort)
Tort
[Package popdemo version 1.3-1 Index]