Carcharias taurus: 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 - 0.674762 0.674762 0.728296 0.728296 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00293313 0.00293313 0.000435048 0.000435048 spec pop growth rate
t2 d NaN NaN NaN NaN 236.316 236.316 1593.26 1593.26 population doubling time
a_b d 39.6988 40.0002 39.4925 39.777 38.7569 38.9784 38.7569 38.9784 age at birth
t_p d 6501.75 9.15194e+21 2904.56 9.15194e+21 1647.5 1856.21 1647.5 1856.21 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 - 0.999995 0.999995 0.326125 0.333888 0.999996 0.999995 0.306435 0.312304 survival probability at puberty
theta_0b - 0.00696881 0.00732968 0.373088 0.361144 0.107469 0.108057 0.446848 0.43956 frac of ind that is embryo
theta_bp - 0.00697182 0.00733275 0.212414 0.207997 0.0959563 0.0964172 0.243034 0.241267 fraction of individuals that is juvenile
theta_pi - 0.986059 0.985338 0.414499 0.430859 0.796574 0.795525 0.310118 0.319173 frac of ind that is adult
L_bi cm 19.4205 17.6197 7.36965 7.20763 7.90567 7.6199 4.77117 4.76246 mean structural length of post-natals
L2_bi cm^2 405.324 332.693 118.46 106.862 92.5319 84.8313 58.8057 56.1411 mean squared structural length of post-natals
L3_bi cm^3 8714.24 6464.83 2459.46 2013.97 1377.28 1190.92 1228.61 1087.58 mean cubed structural length of post-natals
Ww_bi g 36796.7 25236.9 11014.1 8325.94 7955.02 6315.82 7096.34 5767.81 mean wet weight of post-natals
L_pi cm 19.5464 17.7389 10.3601 9.95061 8.66038 8.34584 7.29094 7.19161 mean structural length of adults
L2_pi cm^2 408.171 335.15 177.928 157.298 103.345 94.782 102.938 96.7135 mean squared structural length of adults
L3_pi cm^3 8775.82 6512.91 3717.84 2984.37 1542.61 1334.69 2188.24 1906.65 mean cubed structural length of adults
Ww_pi g 37056.8 25424.6 16649.5 12337.7 8909.97 7078.28 12639 10111.6 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 165.469 122.379 52.1968 42.4272 55.9828 46.2454 35.5781 30.6051 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 0.0721604 0.0755344 0.0150235 0.0154599 yield of living structure on food
Y_VX_d mol/mol 0.012924 0.0133952 0.0284821 0.0296923 0.000182531 0.000211775 0.0359926 0.0375166 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.34463 0.325049 0.0717505 0.066529 yield of living reserve on food
Y_EX_d mol/mol 0.0416488 0.038896 0.0990683 0.0930583 0.000871749 0.000911337 0.171897 0.161446 yield of dead reserve on food
Y_CX mol/mol 0.773348 0.775459 0.705844 0.710284 0.437321 0.45225 0.551264 0.563948 yield of CO2 on food
Y_HX mol/mol 0.664197 0.66601 0.60622 0.610034 0.375597 0.388419 0.473458 0.484352 yield of H2O on food
Y_OX mol/mol -0.909207 -0.911688 -0.829844 -0.835063 -0.514148 -0.531699 -0.648108 -0.66302 yield of O2 on food
Y_NX mol/mol 0.0627039 0.062875 0.0572306 0.0575906 0.0354585 0.0366689 0.0446971 0.0457255 yield of N-waste on food
mu_TX J/mol 435481 436739 396789 399446 241976 250875 307533 315047 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