Crocodylus acutus: Population traits

at T = 25 °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 - 0.75396 0.75396 0.770247 0.770247 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00109597 0.00109597 0.000251592 0.000251592 spec pop growth rate
t2 d NaN NaN NaN NaN 632.449 632.449 2755.04 2755.04 population doubling time
a_b d 152.652 147.655 152.374 147.459 149.312 145.322 149.312 145.322 age at birth
t_p d 16288 2929.38 8246.16 2869.62 3579.06 2354.88 3579.06 2354.88 time since birth at puberty
S_b - 0.999999 1 0.999999 1 0.999999 1 0.999999 1 survival probability at birth
S_p - 0.999997 0.999998 0.357495 0.320154 0.999997 0.999998 0.334002 0.304542 survival probability at puberty
theta_0b - 0.00750987 0.00606844 0.279598 0.346623 0.150954 0.147217 0.431933 0.466725 frac of ind that is embryo
theta_bp - 0.00751168 0.00607006 0.166224 0.195284 0.128191 0.125571 0.240053 0.248319 fraction of individuals that is juvenile
theta_pi - 0.984978 0.987861 0.554178 0.458093 0.720855 0.727212 0.328014 0.284956 frac of ind that is adult
L_bi cm 22.5808 34.6484 13.7771 16.0701 10.2735 12.0805 7.59641 7.71671 mean structural length of post-natals
L2_bi cm^2 531.416 1263.67 279.615 474.687 142.749 209.724 106 126.707 mean squared structural length of post-natals
L3_bi cm^3 12728.5 47056.1 6440.3 16769.3 2419.62 4616.31 2190.22 3509.37 mean cubed structural length of post-natals
Ww_bi g 47988.6 251404 24666.3 91165.4 11309.6 31205.3 10237.4 23722.6 mean wet weight of post-natals
L_pi cm 22.7292 34.8414 17.0129 21.6135 11.5371 13.6032 10.9371 11.7432 mean structural length of adults
L2_pi cm^2 535.393 1271.37 360.745 672.927 166.306 244.049 176.679 228.52 mean squared structural length of adults
L3_pi cm^3 12825.3 47345 8363.49 23904.6 2843.84 5406.92 3771.13 6539.29 mean cubed structural length of adults
Ww_pi g 48353.6 252948 32032.1 129957 13292.5 36549.7 17626.8 44204.3 mean wet weight of adults
R 1/d 0 0.264041 0 0.0724062 0 0 0 0 mean reproduction rate of adults
J_X g/d 98.4036 366.826 52.8955 140.772 35.059 80.7472 26.0337 48.7841 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 0.0756392 0.0626567 0.0211665 0.0180987 yield of living structure on food
Y_VX_d mol/mol 0.00779776 0.00669171 0.0187465 0.0159685 6.04289e-05 3.19734e-05 0.039302 0.0340857 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.277909 0.360889 0.0777688 0.104245 yield of living reserve on food
Y_EX_d mol/mol 0.021601 0.0290598 0.0530526 0.0708438 0.000222025 0.00018416 0.144401 0.196327 yield of dead reserve on food
Y_CX mol/mol 0.699746 0.694585 0.665296 0.653098 0.436145 0.379326 0.493989 0.437019 yield of CO2 on food
Y_HX mol/mol 0.744004 0.738516 0.707375 0.694405 0.46373 0.403318 0.525233 0.464659 yield of H2O on food
Y_OX mol/mol -0.88814 -0.881588 -0.844414 -0.828932 -0.553569 -0.481452 -0.626986 -0.554678 yield of O2 on food
Y_NX mol/mol 0.16148 0.160289 0.15353 0.150715 0.100649 0.0875368 0.113997 0.10085 yield of N-waste on food
mu_TX J/mol 448840 445349 426456 418197 276766 238294 314509 276172 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