Carcharhinus plumbeus: Population traits

at T = 27 °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 - 0.74163 0.74163 0.780024 0.780024 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000522442 0.000522442 0.000192561 0.000192561 spec pop growth rate
t2 d NaN NaN NaN NaN 1326.75 1326.75 3599.62 3599.62 population doubling time
a_b d 380.117 380.118 380.117 380.118 380.117 380.118 380.117 380.118 age at birth
t_p d 11525.4 5.1257e+22 7925.52 5.1257e+22 4107.33 4909.89 4107.33 4909.89 time since birth at puberty
S_b - 0.999977 0.999974 0.999977 0.999974 0.999977 0.999974 0.999977 0.999974 survival probability at birth
S_p - 0.999845 0.999826 0.654512 0.683291 0.999856 0.999838 0.583688 0.609263 survival probability at puberty
theta_0b - 0.0257412 0.0268299 0.115874 0.105524 0.18125 0.181415 0.269267 0.25296 frac of ind that is embryo
theta_bp - 0.0257394 0.0268278 0.0932585 0.0868064 0.148595 0.148729 0.190693 0.183022 fraction of individuals that is juvenile
theta_pi - 0.948519 0.946342 0.790867 0.80767 0.670155 0.669855 0.54004 0.564018 frac of ind that is adult
L_bi cm 20.8347 19.1024 19.4846 18.2153 17.9129 16.9902 17.7002 17.0618 mean structural length of post-natals
L2_bi cm^2 445.844 373.524 406.16 350.512 354.719 315.215 359.824 327.785 mean squared structural length of post-natals
L3_bi cm^3 9710.92 7422.1 8854.25 7005.06 7633.12 6299.32 8183.51 6939.26 mean cubed structural length of post-natals
Ww_bi g 29515.2 21209.5 27846.2 20691.4 28623.1 22077.7 30687 24320.5 mean wet weight of post-natals
L_pi cm 21.1276 19.3626 20.5993 19.1062 19.5802 18.4821 20.314 19.2908 mean structural length of adults
L2_pi cm^2 455.198 381.315 442.143 377.563 409.275 361.661 449.208 400.263 mean squared structural length of adults
L3_pi cm^3 9946.7 7604.6 9777.96 7651.88 9072.19 7453.74 10680.5 8842.09 mean cubed structural length of adults
Ww_pi g 30231.8 21731 30751.2 22602 34019.4 26123.6 40050.4 30989.5 mean wet weight of adults
R 1/d 0 0 0 0 0 0 0.00044158 0 mean reproduction rate of adults
J_X g/d 84.7313 64.6602 81.1855 63.8177 90.8987 73.5763 92.207 76.5103 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 0.109375 0.109375 0.109375 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.0438715 0.0447295 0.0170901 0.0174648 yield of living structure on food
Y_VX_d mol/mol 0.0100436 0.010385 0.0188424 0.0190252 0.000805223 0.000895423 0.0257603 0.0255796 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.12064 0.112037 0.0469954 0.0437452 yield of living reserve on food
Y_EX_d mol/mol 0.0204826 0.0192912 0.0404161 0.0371711 0.00221425 0.00224283 0.0708371 0.064071 yield of dead reserve on food
Y_CX mol/mol 0.795591 0.796378 0.769014 0.771846 0.668862 0.675916 0.675196 0.684282 yield of CO2 on food
Y_HX mol/mol 0.683301 0.683976 0.660475 0.662907 0.574458 0.580516 0.579898 0.587702 yield of H2O on food
Y_OX mol/mol -0.935357 -0.936282 -0.904111 -0.907441 -0.786364 -0.794658 -0.793812 -0.804494 yield of O2 on food
Y_NX mol/mol 0.0645074 0.0645712 0.0623525 0.0625821 0.054232 0.054804 0.0547457 0.0554823 yield of N-waste on food
mu_TX J/mol 448343 448820 433243 434908 375975 380147 379588 384910 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