Phoca largha: Population traits

at T = 37 °C with background hazards for embryo, baby, juv, adult: 0, 0, 0, 0 1/d

Ln survival probability as function of age, with (dashed) and without (solid) thinning at max (red) and min (blue) scaled functional response for females.
Ln survivor function of the stable age distribution as function of age, with (dashed) and without (solid) thinning at max (red) and min (blue) scaled functional response for females.
model stx f_min f_max date: 2025/02/12
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.884642 0.884642 0.893708 0.893708 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000744257 0.000744257 0.000336159 0.000336159 spec pop growth rate
t2 d NaN NaN NaN NaN 931.328 931.328 2061.96 2061.96 population doubling time
a_b d 264.022 NaN 264.022 NaN 264.022 264.022 264.022 264.022 age at birth
t_x d 3713.94 NaN 2780.07 NaN 1292.1 1638.46 1292.1 1638.46 time since birth at weaning
t_p d 27.3132 NaN 26.9923 NaN 23.9576 23.9576 23.9576 23.9576 time since birth at puberty
S_b - 1 NaN 1 NaN 1 1 1 1 survival probability at birth
S_x - 0.999999 NaN 0.625037 NaN 0.999999 0.999999 0.582496 0.582496 survival probability at weaning
S_p - 0.999053 NaN 0.277132 NaN 0.999968 0.999938 0.27552 0.252708 survival probability at puberty
theta_0b - 0.0164586 NaN 0.0550743 NaN 0.178502 0.178502 0.230634 0.230634 frac of ind that is embryo
theta_bx - 0.0164553 NaN 0.0429646 NaN 0.14663 0.14663 0.159436 0.159436 fraction of individuals that is baby
theta_xp - 0.214967 NaN 0.181773 NaN 0.361101 0.432493 0.252603 0.299173 fraction of individuals that is juvenile
theta_pi - 0.752119 NaN 0.720188 NaN 0.313767 0.242375 0.357327 0.310757 frac of ind that is adult
L_bi cm 22.0985 NaN 21.8742 NaN 20.2882 20.2882 20.6461 20.6461 mean structural length of post-natals
L2_bi cm^2 490.917 NaN 484.099 NaN 428.55 428.55 447.458 447.458 mean squared structural length of post-natals
L3_bi cm^3 10946 NaN 10799.2 NaN 9352.7 9352.7 10067.3 10067.3 mean cubed structural length of post-natals
Ww_bi g 45943 NaN 45680.6 NaN 43154.7 43154.7 46452 46452 mean wet weight of post-natals
L_pi cm 22.6233 NaN 22.8415 NaN 24.4344 24.8198 24.8503 25.108 mean structural length of adults
L2_pi cm^2 511.813 NaN 521.735 NaN 597.832 616.37 618.259 630.721 mean squared structural length of adults
L3_pi cm^3 11578.9 NaN 11917.3 NaN 14646.1 15315.4 15399.2 15851.5 mean cubed structural length of adults
Ww_pi g 48599.2 NaN 50410.1 NaN 67579.3 70667.5 71054.3 73141.2 mean wet weight of adults
R 1/d 8.27247e-05 NaN 0.000289052 NaN 0.00194955 0.00136317 0.00233687 0.00163798 mean reproduction rate of adults
J_X g/d 277.231 NaN 276.182 NaN 273.569 273.569 285.639 285.639 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 NaN 0 NaN 0.0254444 0.0254444 0.0118479 0.0118479 yield of living structure on food
Y_VX_d mol/mol 0.00264852 NaN 0.00504927 NaN 2.27569e-05 2.27569e-05 0.0116653 0.0116653 yield of dead structure on food
Y_EX mol/mol 0 NaN 0 NaN 0.0919599 0.0919599 0.0428199 0.0428199 yield of living reserve on food
Y_EX_d mol/mol 0.00846792 NaN 0.0163091 NaN 8.22468e-05 8.22468e-05 0.0421602 0.0421602 yield of dead reserve on food
Y_CX mol/mol 0.813545 NaN 0.804072 NaN 0.715132 0.715132 0.723472 0.723472 yield of CO2 on food
Y_HX mol/mol 0.693835 NaN 0.685755 NaN 0.609902 0.609902 0.617015 0.617015 yield of H2O on food
Y_OX mol/mol -0.956466 NaN -0.945327 NaN -0.840763 -0.840763 -0.850568 -0.850568 yield of O2 on food
Y_NX mol/mol 0.0659631 NaN 0.065195 NaN 0.0579837 0.0579837 0.0586599 0.0586599 yield of N-waste on food
mu_TX J/mol 458471 NaN 453052 NaN 402069 402069 406848 406848 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female differ.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer