Podocnemis lewyana: Population traits

at T = 27 °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 - 0.710142 0.710142 0.725586 0.725586 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00176149 0.00176149 0.000580707 0.000580707 spec pop growth rate
t2 d NaN NaN NaN NaN 393.5 393.5 1193.63 1193.63 population doubling time
a_b d 101.286 105.297 100.951 104.932 96.2795 99.8042 96.2795 99.8042 age at birth
t_p d 8788.86 2.87408e+22 5497.56 2.87408e+22 2061.77 2216.13 2061.77 2216.13 time since birth at puberty
S_b - 0.999997 0.999996 0.999997 0.999996 0.999998 0.999997 0.999998 0.999997 survival probability at birth
S_p - 0.999986 0.999979 0.568502 0.624425 0.999988 0.999983 0.503351 0.552433 survival probability at puberty
theta_0b - 0.00946155 0.0107556 0.132779 0.10522 0.155996 0.161234 0.32221 0.288059 frac of ind that is embryo
theta_bp - 0.00946772 0.010764 0.0998015 0.0829186 0.131722 0.135313 0.216119 0.201969 fraction of individuals that is juvenile
theta_pi - 0.981071 0.97848 0.76742 0.811862 0.712282 0.703453 0.461671 0.509972 frac of ind that is adult
L_bi cm 11.2448 8.83816 8.94705 7.52173 6.76281 5.86907 5.90258 5.51522 mean structural length of post-natals
L2_bi cm^2 130.944 80.5438 94.9615 63.7974 56.0923 40.727 48.4447 39.4298 mean squared structural length of post-natals
L3_bi cm^3 1551.92 746.335 1089.88 575.484 543.546 323.135 515.899 346.796 mean cubed structural length of post-natals
Ww_bi g 2645.94 1157.82 1874.9 899.673 1083.12 574.011 1028.03 616.043 mean wet weight of post-natals
L_pi cm 11.3261 8.90522 9.74745 8.01176 7.47262 6.45124 7.31885 6.58684 mean structural length of adults
L2_pi cm^2 132.131 81.3468 106.29 69.552 64.8685 46.9956 67.2096 51.8967 mean squared structural length of adults
L3_pi cm^3 1566.67 754.315 1228.73 632.168 639.304 380.778 745.921 475.165 mean cubed structural length of adults
Ww_pi g 2671.1 1170.2 2113.76 988.289 1273.94 676.407 1486.39 844.074 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 11.6894 5.62341 8.6616 4.55108 7.05123 4.00411 6.08987 3.87657 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 0.135785 0.142154 0.0491941 0.0519498 yield of living structure on food
Y_VX_d mol/mol 0.0152773 0.0166277 0.0341336 0.0358539 0.000205853 0.000275418 0.0782761 0.078318 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.134793 0.110366 0.0488346 0.0403329 yield of living reserve on food
Y_EX_d mol/mol 0.0107698 0.00916757 0.0245858 0.0201977 0.000204348 0.00021383 0.0777041 0.0608047 yield of dead reserve on food
Y_CX mol/mol 0.70247 0.702674 0.675923 0.678091 0.503455 0.518063 0.517251 0.535616 yield of CO2 on food
Y_HX mol/mol 0.746899 0.747117 0.718674 0.720979 0.535297 0.550829 0.549966 0.569492 yield of H2O on food
Y_OX mol/mol -0.891596 -0.891856 -0.857903 -0.860654 -0.639 -0.657541 -0.65651 -0.67982 yield of O2 on food
Y_NX mol/mol 0.162108 0.162156 0.155982 0.156483 0.116182 0.119553 0.119366 0.123604 yield of N-waste on food
mu_TX J/mol 451027 451231 434299 435828 324586 334632 333344 345708 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