Carcharhinus dussumieri: Population traits

at T = 27.5 °C with background hazards for embryo, juv, adult: 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 stf f_min f_max date: 2024/06/15
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.664539 0.664539 NaN NaN 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00048751 0.00048751 NaN NaN spec pop growth rate
t2 d NaN NaN NaN NaN 1421.81 1421.81 NaN NaN population doubling time
a_b d 248.929 248.931 NaN NaN 248.929 248.931 NaN NaN age at birth
t_p d 1292.63 2083.68 NaN NaN 692.026 846.31 NaN NaN time since birth at puberty
S_b - 0.999942 0.999937 NaN NaN 0.999942 0.999938 NaN NaN survival probability at birth
S_p - 0.999593 0.999548 NaN NaN 0.999639 0.999601 NaN NaN survival probability at puberty
theta_0b - 0.0430077 0.0446112 NaN NaN 0.123814 0.124648 NaN NaN frac of ind that is embryo
theta_bp - 0.0430001 0.0446025 NaN NaN 0.109647 0.110383 NaN NaN fraction of individuals that is juvenile
theta_pi - 0.913992 0.910786 NaN NaN 0.766539 0.764969 NaN NaN frac of ind that is adult
L_bi cm 8.14354 7.5896 NaN NaN 9.49045 8.99136 NaN NaN mean structural length of post-natals
L2_bi cm^2 67.9689 58.85 NaN NaN 98.3599 87.5222 NaN NaN mean squared structural length of post-natals
L3_bi cm^3 576.984 463.333 NaN NaN 1083.58 901.094 NaN NaN mean cubed structural length of post-natals
Ww_bi g 1503.94 1151.85 NaN NaN 3703.17 2916.08 NaN NaN mean wet weight of post-natals
L_pi cm 8.31873 7.74753 NaN NaN 10.1781 9.62036 NaN NaN mean structural length of adults
L2_pi cm^2 70.2426 60.7948 NaN NaN 109.258 97.0247 NaN NaN mean squared structural length of adults
L3_pi cm^3 600.001 481.895 NaN NaN 1223.4 1016.36 NaN NaN mean cubed structural length of adults
Ww_pi g 1563.94 1198 NaN NaN 4181.04 3289.09 NaN NaN mean wet weight of adults
R 1/d 0.000348699 3.9011e-05 NaN NaN 0.00121889 0.000870614 NaN NaN mean reproduction rate of adults
J_X g/d 6.59994 5.28571 NaN NaN 14.3723 11.8292 NaN NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 0.109375 NaN NaN 0.109375 0.109375 NaN NaN yield of faeces on food
Y_VX mol/mol 0 0 NaN NaN 0.0367549 0.0371365 NaN NaN yield of living structure on food
Y_VX_d mol/mol 0.0199173 0.0204868 NaN NaN 0.00678989 0.00721076 NaN NaN yield of dead structure on food
Y_EX mol/mol 0 0 NaN NaN 0.0888569 0.0830429 NaN NaN yield of living reserve on food
Y_EX_d mol/mol 0.0319983 0.0304437 NaN NaN 0.0164149 0.0161244 NaN NaN yield of dead reserve on food
Y_CX mol/mol 0.775806 0.776717 NaN NaN 0.686173 0.691077 NaN NaN yield of CO2 on food
Y_HX mol/mol 0.666308 0.667091 NaN NaN 0.589326 0.593538 NaN NaN yield of H2O on food
Y_OX mol/mol -0.912096 -0.913168 NaN NaN -0.806717 -0.812483 NaN NaN yield of O2 on food
Y_NX mol/mol 0.0629032 0.0629771 NaN NaN 0.0556356 0.0560333 NaN NaN yield of N-waste on food
mu_TX J/mol 437268 437829 NaN NaN 386041 388948 NaN NaN 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