Carcharhinus amblyrhynchos: Population traits

at T = 22 °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: 2022/12/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.606087 0.606087 NaN NaN 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000377296 0.000377296 NaN NaN spec pop growth rate
t2 d NaN NaN NaN NaN 1837.14 1837.14 NaN NaN population doubling time
a_b d 755.604 755.604 NaN NaN 755.604 755.604 NaN NaN age at birth
t_p d 4161.41 3922.16 NaN NaN 1918.25 1857.09 NaN NaN time since birth at puberty
S_b - 0.999638 0.999638 NaN NaN 0.999646 0.999646 NaN NaN survival probability at birth
S_p - 0.997372 0.997372 NaN NaN 0.997739 0.997739 NaN NaN survival probability at puberty
theta_0b - 0.0815047 0.0815047 NaN NaN 0.259923 0.259923 NaN NaN frac of ind that is embryo
theta_bp - 0.0814124 0.0814124 NaN NaN 0.195259 0.195259 NaN NaN fraction of individuals that is juvenile
theta_pi - 0.837083 0.837083 NaN NaN 0.544818 0.544818 NaN NaN frac of ind that is adult
L_bi cm 13.0483 13.0483 NaN NaN 13.8682 13.8682 NaN NaN mean structural length of post-natals
L2_bi cm^2 176.328 176.328 NaN NaN 215.623 215.623 NaN NaN mean squared structural length of post-natals
L3_bi cm^3 2444.35 2444.35 NaN NaN 3673.55 3673.55 NaN NaN mean cubed structural length of post-natals
Ww_bi g 9948.67 9948.67 NaN NaN 22281.6 22281.6 NaN NaN mean wet weight of post-natals
L_pi cm 13.5742 13.5742 NaN NaN 15.9186 15.9186 NaN NaN mean structural length of adults
L2_pi cm^2 187.756 187.756 NaN NaN 268.752 268.752 NaN NaN mean squared structural length of adults
L3_pi cm^3 2637.71 2637.71 NaN NaN 4787.53 4787.53 NaN NaN mean cubed structural length of adults
Ww_pi g 10735.7 10735.7 NaN NaN 29038.3 29038.3 NaN NaN mean wet weight of adults
R 1/d 9.57552e-05 0.000151641 NaN NaN 0.00102905 0.00106979 NaN NaN mean reproduction rate of adults
J_X g/d 18.1214 18.1214 NaN NaN 36.562 36.562 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 0.0379087 0.0379087 NaN NaN yield of living structure on food
Y_VX_d mol/mol 0.0221769 0.0221769 NaN NaN 0.00587597 0.00587597 NaN NaN yield of dead structure on food
Y_EX mol/mol 0 0 NaN NaN 0.192023 0.192023 NaN NaN yield of living reserve on food
Y_EX_d mol/mol 0.0680848 0.0680848 NaN NaN 0.0297642 0.0297642 NaN NaN yield of dead reserve on food
Y_CX mol/mol 0.740336 0.740336 NaN NaN 0.578174 0.578174 NaN NaN yield of CO2 on food
Y_HX mol/mol 0.635844 0.635844 NaN NaN 0.49657 0.49657 NaN NaN yield of H2O on food
Y_OX mol/mol -0.870395 -0.870395 NaN NaN -0.679745 -0.679745 NaN NaN yield of O2 on food
Y_NX mol/mol 0.0600272 0.0600272 NaN NaN 0.046879 0.046879 NaN NaN yield of N-waste on food
mu_TX J/mol 416642 416642 NaN NaN 322905 322905 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