Stegostoma fasciatum: Population traits

at T = 28 °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 std f_min f_max date: 2025/05/23
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.739401 0.739401 0.756566 0.756566 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00154769 0.00154769 0.000368218 0.000368218 spec pop growth rate
t2 d NaN NaN NaN NaN 447.859 447.859 1882.44 1882.44 population doubling time
a_b d 130.854 129.062 130.611 128.851 127.985 126.575 127.985 126.575 age at birth
t_p d 9438.76 1795.23 4972.72 1745.46 2162.45 1353.53 2162.45 1353.53 time since birth at puberty
S_b - 0.999999 0.999999 0.999999 0.999999 0.999999 0.999999 0.999999 0.999999 survival probability at birth
S_p - 0.999996 0.999997 0.361823 0.343859 0.999996 0.999997 0.335226 0.321443 survival probability at puberty
theta_0b - 0.00933866 0.00857856 0.246971 0.276879 0.179705 0.177906 0.43132 0.448519 frac of ind that is embryo
theta_bp - 0.00934031 0.00858021 0.14737 0.161188 0.147434 0.146277 0.237612 0.242292 fraction of individuals that is juvenile
theta_pi - 0.981321 0.982841 0.605659 0.561934 0.672862 0.675818 0.331068 0.309189 frac of ind that is adult
L_bi cm 17.9448 21.3203 12.7593 13.9297 9.23767 9.90382 7.56977 7.66714 mean structural length of post-natals
L2_bi cm^2 333.239 472.194 212.658 271.07 110.959 130.888 94.2476 102.788 mean squared structural length of post-natals
L3_bi cm^3 6283.62 10631.8 3898.62 5903.37 1594.92 2104.53 1625.94 2005.98 mean cubed structural length of post-natals
Ww_bi g 29029.4 56712.4 18338.7 32084 9403.09 14440.9 9585.95 13764.7 mean wet weight of post-natals
L_pi cm 18.0843 21.4773 15.0951 17.0076 10.5274 11.312 10.6973 11.133 mean structural length of adults
L2_pi cm^2 336.306 476.216 261.92 345.819 132.751 156.654 154.299 174.865 mean squared structural length of adults
L3_pi cm^3 6343.07 10724.2 4839.05 7586.64 1935.54 2550.89 2767.27 3548.95 mean cubed structural length of adults
Ww_pi g 29304 57205.6 22762.4 41232.3 11411.3 17503.8 16314.9 24352.3 mean wet weight of adults
R 1/d 0 0.169557 0 0.0850337 0 0 0 0 mean reproduction rate of adults
J_X g/d 99.2796 168.44 64.8267 98.9408 44.7082 63.1458 37.9747 49.5895 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 0.0552122 0.0515815 0.0157657 0.014895 yield of living structure on food
Y_VX_d mol/mol 0.00540332 0.00508224 0.0129672 0.0122376 4.35455e-05 3.39963e-05 0.0282287 0.0269727 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.2703 0.302362 0.0771836 0.0873121 yield of living reserve on food
Y_EX_d mol/mol 0.0195592 0.0220276 0.0480289 0.0542722 0.000213184 0.00019928 0.138198 0.158109 yield of dead reserve on food
Y_CX mol/mol 0.800738 0.798752 0.767407 0.762306 0.522492 0.496215 0.583905 0.558086 yield of CO2 on food
Y_HX mol/mol 0.687721 0.686015 0.659094 0.654714 0.448747 0.426178 0.501492 0.479317 yield of H2O on food
Y_OX mol/mol -0.941408 -0.939073 -0.902221 -0.896225 -0.614281 -0.583388 -0.686483 -0.656128 yield of O2 on food
Y_NX mol/mol 0.0649247 0.0647636 0.0622222 0.0618086 0.0423642 0.0402336 0.0473437 0.0452502 yield of N-waste on food
mu_TX J/mol 451120 449943 432009 428991 290922 275375 326267 311064 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