Carcharhinus cautus: Population traits

at T = 27.5 °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 - 0.846789 0.846789 0.91532 0.91532 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000520032 0.000520032 0.000103126 0.000103126 spec pop growth rate
t2 d NaN NaN NaN NaN 1332.89 1332.89 6721.35 6721.35 population doubling time
a_b d 350.156 350.156 350.156 350.156 350.156 350.156 350.156 350.156 age at birth
t_p d 4774.09 3193.73 2869.5 2344.57 2204.21 1888.27 2204.21 1888.27 time since birth at puberty
S_b - 0.999975 0.999974 0.999975 0.999975 0.999975 0.999975 0.999975 0.999975 survival probability at birth
S_p - 0.999824 0.999819 0.506227 0.510928 0.999833 0.999829 0.483509 0.487793 survival probability at puberty
theta_0b - 0.0363624 0.0366433 0.173843 0.1712 0.169901 0.169983 0.250087 0.246848 frac of ind that is embryo
theta_bp - 0.0363596 0.0366405 0.12197 0.120675 0.141606 0.141675 0.165757 0.164327 fraction of individuals that is juvenile
theta_pi - 0.927278 0.926716 0.704187 0.708125 0.688493 0.688342 0.584156 0.588825 frac of ind that is adult
L_bi cm 24.711 24.3206 23.664 23.383 22.2829 22.0408 22.9566 22.7452 mean structural length of post-natals
L2_bi cm^2 625.161 605.193 599.955 584.278 537.304 524.607 583.847 571.145 mean squared structural length of post-natals
L3_bi cm^3 16057.4 15284.9 15886.3 15227.4 13738.3 13223.2 15906.7 15331.8 mean cubed structural length of post-natals
Ww_bi g 73608.9 69126.8 77433 73207.7 71887.3 68230.1 83233.4 79110.3 mean wet weight of post-natals
L_pi cm 25.1964 24.796 25.6414 25.2853 24.2775 23.9934 25.9614 25.6487 mean structural length of adults
L2_pi cm^2 643.663 623.094 677.639 658.158 614.888 599.806 705.638 687.572 mean squared structural length of adults
L3_pi cm^3 16611.6 15814 18310.5 17502.5 16140.8 15524.8 19865.6 19068.8 mean cubed structural length of adults
Ww_pi g 76149.8 71519.5 89248.7 84145.6 84458.4 80106.2 103949 98393 mean wet weight of adults
R 1/d 0 0.000177099 0 0.00103628 0 0.000335133 0.00079556 0.00179465 mean reproduction rate of adults
J_X g/d 259.148 246.56 268.826 257.304 263.027 252.399 285.811 274.79 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 0.0271621 0.0272445 0.00573944 0.00575389 yield of living structure on food
Y_VX_d mol/mol 0.00814041 0.00819 0.0158329 0.0158758 0.00134129 0.00136446 0.0172866 0.0173132 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.114967 0.113334 0.0242928 0.0239355 yield of living reserve on food
Y_EX_d mol/mol 0.0291762 0.0288496 0.0613395 0.060449 0.00567714 0.00567599 0.0731675 0.0720209 yield of dead reserve on food
Y_CX mol/mol 0.78931 0.789566 0.752444 0.753228 0.685867 0.687281 0.712378 0.713731 yield of CO2 on food
Y_HX mol/mol 0.677906 0.678126 0.646243 0.646916 0.589063 0.590277 0.611832 0.612995 yield of H2O on food
Y_OX mol/mol -0.927973 -0.928274 -0.88463 -0.885552 -0.806357 -0.808019 -0.837526 -0.839117 yield of O2 on food
Y_NX mol/mol 0.0639981 0.0640189 0.0610089 0.0610725 0.0556108 0.0557255 0.0577604 0.0578701 yield of N-waste on food
mu_TX J/mol 444575 444727 423404 423864 385110 385942 400337 401130 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