Carcharhinus galapagensis: Population traits

at T = 23.8 °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 - 0.628515 0.628515 0.784741 0.784741 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000458435 0.000458435 6.75021e-05 6.75021e-05 spec pop growth rate
t2 d NaN NaN NaN NaN 1511.99 1511.99 10268.5 10268.5 population doubling time
a_b d 712.915 712.918 712.915 712.918 712.915 712.918 712.915 712.918 age at birth
t_p d 7122.78 2.10767e+22 3775 4870.04 2806.79 3227.24 2806.79 3227.24 time since birth at puberty
S_b - 0.999861 0.999845 0.999862 0.999847 0.999864 0.999848 0.999864 0.999848 survival probability at birth
S_p - 0.999021 0.998879 0.426954 0.447563 0.999135 0.99902 0.386378 0.402083 survival probability at puberty
theta_0b - 0.0618793 0.0649915 0.288887 0.273842 0.283087 0.283722 0.382175 0.368093 frac of ind that is embryo
theta_bp - 0.061853 0.0649601 0.18592 0.180374 0.204089 0.204537 0.224124 0.220043 fraction of individuals that is juvenile
theta_pi - 0.876268 0.870048 0.525193 0.545784 0.512824 0.511741 0.393701 0.411864 frac of ind that is adult
L_bi cm 18.8837 17.3016 17.975 17.0616 17.2756 16.5357 17.7341 17.1474 mean structural length of post-natals
L2_bi cm^2 371.588 310.202 369.858 326.15 343.158 309.961 384.974 350.87 mean squared structural length of post-natals
L3_bi cm^3 7512.41 5698 8328.72 6738.78 7620.4 6428.43 9679.86 8171.72 mean cubed structural length of post-natals
Ww_bi g 44881.8 31293.9 60056.8 44534.3 67931.8 52373.3 86290.8 66576.2 mean wet weight of post-natals
L_pi cm 19.5563 17.906 21.0206 19.6363 20.2415 19.2634 22.3838 21.2427 mean structural length of adults
L2_pi cm^2 391.572 326.974 469.225 405.149 440.623 395.522 551.044 489.453 mean squared structural length of adults
L3_pi cm^3 7982.99 6063.5 10972.3 8691.74 10255.2 8613.25 14663.2 12058 mean cubed structural length of adults
Ww_pi g 47693.2 33301.3 79119.4 57440.8 91419.2 70173.3 130715 98238.2 mean wet weight of adults
R 1/d 0 0 0.000681673 0 0.000481449 0 0.00193794 0.000928237 mean reproduction rate of adults
J_X g/d 77.1738 58.1787 95.9078 76.3743 113.393 92.4934 127.211 104.701 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 0.0308084 0.0318619 0.00513645 0.00526843 yield of living structure on food
Y_VX_d mol/mol 0.0125489 0.0130246 0.0222957 0.0230137 0.00184849 0.00207486 0.0219555 0.0227956 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.243832 0.227722 0.0406522 0.0376542 yield of living reserve on food
Y_EX_d mol/mol 0.0624225 0.0585076 0.138475 0.129076 0.0146298 0.0148293 0.173766 0.162924 yield of dead reserve on food
Y_CX mol/mol 0.75448 0.757661 0.675116 0.683145 0.554544 0.568077 0.600432 0.612334 yield of CO2 on food
Y_HX mol/mol 0.647991 0.650724 0.579829 0.586725 0.476275 0.487898 0.515686 0.525909 yield of H2O on food
Y_OX mol/mol -0.887023 -0.890763 -0.793717 -0.803157 -0.651964 -0.667874 -0.705913 -0.719907 yield of O2 on food
Y_NX mol/mol 0.061174 0.061432 0.0547391 0.0553901 0.044963 0.0460603 0.0486836 0.0496487 yield of N-waste on food
mu_TX J/mol 424430 426314 378513 383244 308532 316509 335085 342093 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