Crocodylus intermedius: 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: 2023/04/09
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.581346 0.581346 0.665544 0.665544 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00109311 0.00109311 8.14874e-05 8.14874e-05 spec pop growth rate
t2 d NaN NaN NaN NaN 634.108 634.108 8506.19 8506.19 population doubling time
a_b d 122.145 120.65 120.629 119.271 116.874 115.881 116.874 115.881 age at birth
t_p d 9620.45 3160.11 3456.27 2475.59 1935.41 1670.38 1935.41 1670.38 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 0.999999 0.999999 0.365833 0.352306 0.999999 0.999999 0.329003 0.319573 survival probability at puberty
theta_0b - 0.00483367 0.00454465 0.226744 0.249517 0.119917 0.118959 0.375646 0.392403 frac of ind that is embryo
theta_bp - 0.00483512 0.00454601 0.136375 0.147327 0.105558 0.104829 0.212651 0.219038 fraction of individuals that is juvenile
theta_pi - 0.990331 0.990909 0.636881 0.603156 0.774525 0.776212 0.411702 0.388559 frac of ind that is adult
L_bi cm 20.2888 23.1087 15.8575 16.9819 12.2898 12.9932 12.2965 12.4133 mean structural length of post-natals
L2_bi cm^2 421.554 547.784 336.798 406.56 205.803 234.427 293.212 322.601 mean squared structural length of post-natals
L3_bi cm^3 8847.75 13123 7778.01 10689.6 4169.08 5174.53 8974.7 11092.5 mean cubed structural length of post-natals
Ww_bi g 26708.1 43389.8 25753 38914.7 18645.6 25703.6 40138 55100.1 mean wet weight of post-natals
L_pi cm 20.3729 23.2004 18.6147 20.395 13.5288 14.312 17.0694 17.6766 mean structural length of adults
L2_pi cm^2 423.566 550.251 406.972 503.605 232.423 264.642 439.712 498.974 mean squared structural length of adults
L3_pi cm^3 8890.8 13183.1 9437.47 13293.5 4732.48 5868.46 13594.4 17327.8 mean cubed structural length of adults
Ww_pi g 26838.1 43588.4 31247.5 48394.2 21165.3 29150.6 60798.8 86072.7 mean wet weight of adults
R 1/d 0 0.00918087 0 0.00893178 0 0 0.00716473 0.0134893 mean reproduction rate of adults
J_X g/d 72.6343 107.838 66.4354 91.6282 60.9966 79.3843 86.903 109.243 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 0.0747132 0.0712523 0.00841542 0.00827423 yield of living structure on food
Y_VX_d mol/mol 0.00541342 0.00517418 0.01379 0.013223 2.46808e-05 2.0605e-05 0.0206 0.0199791 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.25943 0.282681 0.0292213 0.0328266 yield of living reserve on food
Y_EX_d mol/mol 0.0109277 0.0119337 0.0318688 0.0349145 8.57005e-05 8.17469e-05 0.0715303 0.0792636 yield of dead reserve on food
Y_CX mol/mol 0.710356 0.709733 0.686535 0.684521 0.452052 0.435979 0.618197 0.609604 yield of CO2 on food
Y_HX mol/mol 0.755284 0.754622 0.729957 0.727816 0.480643 0.463554 0.657297 0.64816 yield of H2O on food
Y_OX mol/mol -0.901605 -0.900815 -0.871371 -0.868815 -0.573758 -0.553358 -0.784635 -0.773728 yield of O2 on food
Y_NX mol/mol 0.163928 0.163784 0.158431 0.157966 0.10432 0.100611 0.142661 0.140678 yield of N-waste on food
mu_TX J/mol 455783 455357 440346 438977 287306 276434 395617 389859 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