Annual survival probability by stage
Stage durations (how many years an individual spends in each
stage) are fixed at 1, 7, 8, 6, 1, 1, and 31 years, matching the
published life table. Only survival probabilities are
adjustable here.
D. T. Crouse, L. B. Crowder, and H. Caswell,
“A Stage-Based Population Model for Loggerhead Sea Turtles
and Implications for Conservation,” Ecology
68(5), 1987, 1412–1423.
Dominant eigenvalue λ1 (long-term annual growth factor)
—
Projection matrix L
Stable stage distribution (dominant eigenvector)
Total population relative to today, projected forward