Isurus oxyrinchus: Population traits

at T = 26 °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: 2022/12/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.813925 0.813925 0.980931 0.980931 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00034606 0.00034606 7.49319e-06 7.49319e-06 spec pop growth rate
t2 d NaN NaN NaN NaN 2002.97 2002.97 92503.6 92503.6 population doubling time
a_b d 529.878 537.069 523.966 530.058 523.411 529.398 523.411 529.398 age at birth
t_p d 11277.6 1.60351e+22 5309.98 7056.66 5127.43 6554.71 5127.43 6554.71 time since birth at puberty
S_b - 0.999977 0.999971 0.999978 0.999972 0.999978 0.999972 0.999978 0.999972 survival probability at birth
S_p - 0.999859 0.999815 0.340664 0.361322 0.999868 0.999829 0.338825 0.359039 survival probability at puberty
theta_0b - 0.0342449 0.0377845 0.33055 0.303613 0.168289 0.170813 0.34092 0.314117 frac of ind that is embryo
theta_bp - 0.0342412 0.0377799 0.190332 0.17974 0.140392 0.142201 0.195108 0.184729 fraction of individuals that is juvenile
theta_pi - 0.931514 0.924436 0.479117 0.516647 0.691319 0.686986 0.463972 0.501154 frac of ind that is adult
L_bi cm 25.9027 21.8181 20.4905 18.8121 20.095 18.136 20.2402 18.6716 mean structural length of post-natals
L2_bi cm^2 707.618 497.767 542.141 431.316 477.745 378.492 534.801 428.942 mean squared structural length of post-natals
L3_bi cm^3 19887.5 11643.9 16398.5 11017.4 12679.2 8675.76 16285.9 11051 mean cubed structural length of post-natals
Ww_bi g 151910 75449.9 147596 83778 116092 67085.6 149115 85452.1 mean wet weight of post-natals
L_pi cm 26.5542 22.3829 25.4741 22.632 22.4937 20.2074 25.4065 22.6631 mean structural length of adults
L2_pi cm^2 731.121 515.451 731.818 559.562 560.507 442.873 732.428 563.878 mean squared structural length of adults
L3_pi cm^3 20597.2 12097.8 22698.8 14672.1 15130.5 10353.4 22906.7 14934.6 mean cubed structural length of adults
Ww_pi g 157331 78390.7 204302 111569 138537 80058.1 209736 115483 mean wet weight of adults
R 1/d 0 0 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 230.244 133.693 212.596 139.615 190.986 124.898 213.794 141.546 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 0.0229742 0.0240383 0.000570796 0.000585018 yield of living structure on food
Y_VX_d mol/mol 0.00795243 0.00849781 0.0158022 0.0169146 0.00121932 0.00148409 0.0158528 0.0169763 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.18738 0.161838 0.00465548 0.00393865 yield of living reserve on food
Y_EX_d mol/mol 0.0527919 0.0465661 0.126426 0.111706 0.00994492 0.0099917 0.129298 0.114294 yield of dead reserve on food
Y_CX mol/mol 0.76764 0.772894 0.692267 0.704854 0.618923 0.641277 0.68473 0.698219 yield of CO2 on food
Y_HX mol/mol 0.659294 0.663807 0.594559 0.60537 0.531568 0.550767 0.588086 0.599671 yield of H2O on food
Y_OX mol/mol -0.902495 -0.908673 -0.813881 -0.828679 -0.727653 -0.753934 -0.80502 -0.820879 yield of O2 on food
Y_NX mol/mol 0.062241 0.0626671 0.0561297 0.0571503 0.050183 0.0519954 0.0555186 0.0566123 yield of N-waste on food
mu_TX J/mol 431895 434994 388217 395632 345752 358889 383841 391785 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