Carcharhinus brevipinna: Population traits

at T = 27.4 °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 - 0.623913 0.623913 0.671054 0.671054 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000977519 0.000977519 0.000291769 0.000291769 spec pop growth rate
t2 d NaN NaN NaN NaN 709.088 709.088 2375.67 2375.67 population doubling time
a_b d 377.609 377.611 377.609 377.611 377.609 377.611 377.609 377.611 age at birth
t_p d 4938.76 1.35932e+22 3035.35 3715.22 1443.89 1499.87 1443.89 1499.87 time since birth at puberty
S_b - 0.999966 0.999965 0.999966 0.999965 0.999967 0.999965 0.999967 0.999965 survival probability at birth
S_p - 0.99976 0.999744 0.504106 0.517017 0.999791 0.999778 0.416468 0.424864 survival probability at puberty
theta_0b - 0.0404675 0.0413299 0.183028 0.175889 0.309505 0.309568 0.403419 0.395939 frac of ind that is embryo
theta_bp - 0.0404633 0.0413253 0.128067 0.124645 0.213955 0.213997 0.231838 0.229736 fraction of individuals that is juvenile
theta_pi - 0.919069 0.917345 0.688905 0.699466 0.47654 0.476435 0.364743 0.374325 frac of ind that is adult
L_bi cm 15.3187 14.6821 14.5823 14.1266 13.4887 13.229 13.6831 13.5143 mean structural length of post-natals
L2_bi cm^2 240.502 220.539 227.808 212.326 205.869 196.771 224.052 216.189 mean squared structural length of post-natals
L3_bi cm^3 3836.87 3363.29 3720.26 3323.66 3485.37 3230.78 4231.21 3953.8 mean cubed structural length of post-natals
Ww_bi g 20233.9 17082 20820.1 17905.1 27358.6 24352.7 33213.1 29802.5 mean wet weight of post-natals
L_pi cm 15.6496 14.9946 15.8538 15.2725 15.8437 15.4892 17.257 16.8835 mean structural length of adults
L2_pi cm^2 248.388 227.752 258.904 239.512 267.313 254.524 324.503 308.742 mean squared structural length of adults
L3_pi cm^3 3984.36 3493.4 4323.01 3832.48 4786.89 4423.44 6571.51 6048.43 mean cubed structural length of adults
Ww_pi g 21011.6 17742.8 24193.4 20646.1 37574.9 33342.6 51583.5 45591.3 mean wet weight of adults
R 1/d 0 0 0 0 0.00120392 0.000670034 0.0040599 0.00334946 mean reproduction rate of adults
J_X g/d 69.5954 60.9129 70.9029 63.0756 95.4837 87.1087 103.917 95.7046 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 0.0356817 0.0362553 0.01188 0.0120537 yield of living structure on food
Y_VX_d mol/mol 0.00760328 0.00772912 0.0145616 0.0146672 0.000392252 0.000416684 0.0194698 0.0196039 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.244403 0.237026 0.0813728 0.0788034 yield of living reserve on food
Y_EX_d mol/mol 0.0324928 0.0315268 0.0669313 0.0643472 0.00268675 0.00272416 0.133359 0.128165 yield of dead reserve on food
Y_CX mol/mol 0.786739 0.787516 0.748447 0.75074 0.561901 0.568138 0.596202 0.6031 yield of CO2 on food
Y_HX mol/mol 0.675698 0.676365 0.64281 0.64478 0.482594 0.48795 0.512054 0.517977 yield of H2O on food
Y_OX mol/mol -0.92495 -0.925864 -0.879931 -0.882627 -0.660614 -0.667945 -0.700941 -0.709049 yield of O2 on food
Y_NX mol/mol 0.0637897 0.0638527 0.0606849 0.0608708 0.0455596 0.0460652 0.0483407 0.0489 yield of N-waste on food
mu_TX J/mol 443045 443506 421003 422349 313005 316681 332825 336873 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