10.1371/journal.pone.0228990.g005
James E. Breck
James E.
Breck
Carl P. Simon
Carl P.
Simon
Edward S. Rutherford
Edward S.
Rutherford
Bobbi S. Low
Bobbi S.
Low
P. J. Lamberson
P. J.
Lamberson
Mark W. Rogers
Mark W.
Rogers
Optimal maturation age and length versus von Bertalanffy growth coefficient, for five survival rates.
Public Library of Science
2020
fitness function matters
life history parameters
fitness functions
MRN
prediction
quantifying growth-mortality trade-offs
Beverton-Holt life history invariants
maturity
rate R 0
maturation reaction norm
reaction norms yields insights
Great Lakes salmon Life history theory
Great Lakes Chinook Salmon
nonlinear von Bertalanffy growth
2020-03-16 17:30:16
Figure
https://plos.figshare.com/articles/figure/Optimal_maturation_age_and_length_versus_von_Bertalanffy_growth_coefficient_for_five_survival_rates_/11989821
<p>In all four panels, the horizontal axis corresponds to the growth rate <i>k</i> in the non-linear von Bertalanffy growth curve. The vertical axis presents the optimal maturation <i>age</i> on the left two panels (A, C) and the optimal maturation <i>length</i> on the right two panels (B, D), for each value of <i>k</i>. For the top two panels the underlying fitness function is <i>R</i><sub>0</sub>; for the bottom two panels the underlying fitness function is <i>r</i>. In each panel, optimal age and size curves are drawn for five values of survival rates <i>s</i> (red: 0.25; orange: 0.50; green: 0.70; blue: 0.80; violet: 0.85). As the annual survival rate increases from <i>s</i> = 0.25 to 0.85, the optimal maturation age and length increase for a given <i>k</i>. In panels A & C, the horizontal black dashed line indicates the age at smolting; the colored points at the peak of the vertical lines indicate the maximum value of optimal maturation ages for a given annual survival <i>s</i>. In panels B and D, the horizontal red dashed line represents the asymptotic length of the von Bertalanffy growth function.</p>