Graptemys ouachitensis: Population traits

at T = 22 °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 - 0.581187 0.581187 0.607249 0.607249 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00150322 0.00150322 0.000393114 0.000393114 spec pop growth rate
t2 d NaN NaN NaN NaN 461.107 461.107 1763.22 1763.22 population doubling time
a_b d 189.055 209.566 187.867 207.988 176.205 191.904 176.205 191.904 age at birth
t_p d 8901.16 NaN 4916.15 NaN 1676.11 NaN 1676.11 NaN time since birth at puberty
S_b - 0.999995 0.999987 0.999995 0.999987 0.999996 0.99999 0.999996 0.99999 survival probability at birth
S_p - 0.999971 0.999916 0.500011 0.660444 0.999978 0.999942 0.413518 0.531182 survival probability at puberty
theta_0b - 0.0141094 0.0200675 0.168444 0.093162 0.232722 0.250695 0.395051 0.305455 frac of ind that is embryo
theta_bp - 0.0141156 0.0200832 0.118402 0.0753647 0.178611 0.187943 0.236897 0.206049 fraction of individuals that is juvenile
theta_pi - 0.971775 0.959849 0.713154 0.831473 0.588668 0.561362 0.368052 0.488497 frac of ind that is adult
L_bi cm 5.08068 2.73215 4.15674 2.6096 3.18902 2.34122 2.97852 2.52433 mean structural length of post-natals
L2_bi cm^2 26.7438 7.61533 20.3474 7.17975 12.6335 6.19973 12.7792 7.69278 mean squared structural length of post-natals
L3_bi cm^3 143.382 21.5051 107.701 20.4334 59.546 18.3039 73.1149 27.233 mean cubed structural length of post-natals
Ww_bi g 311.568 34.7514 239.7 33.584 179.727 37.703 220.681 56.0956 mean wet weight of post-natals
L_pi cm 5.13361 2.76166 4.61178 2.72648 3.6965 2.65377 3.94386 3.00185 mean structural length of adults
L2_pi cm^2 27.102 7.73799 23.3894 7.672 15.7578 7.60649 19.5741 10.1132 mean squared structural length of adults
L3_pi cm^3 145.42 21.9062 125.097 22.0747 76.5045 23.4749 117.991 37.5529 mean cubed structural length of adults
Ww_pi g 315.998 35.3997 278.416 36.2816 230.912 48.3545 356.129 77.3529 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 0.978808 0.14636 0.778099 0.144176 0.795576 0.205017 0.804753 0.25439 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 0.112511 0.134207 0.035716 0.0420838 yield of living structure on food
Y_VX_d mol/mol 0.0136648 0.017093 0.0299608 0.0332162 0.000143597 0.000326905 0.059164 0.0611697 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.227079 0.142238 0.0720849 0.044602 yield of living reserve on food
Y_EX_d mol/mol 0.0160288 0.0105287 0.0367199 0.0213775 0.000289819 0.000346467 0.11941 0.06483 yield of dead reserve on food
Y_CX mol/mol 0.699507 0.70119 0.669455 0.679275 0.447364 0.498473 0.490954 0.550826 yield of CO2 on food
Y_HX mol/mol 0.743749 0.745539 0.711796 0.722238 0.475659 0.530001 0.522005 0.585664 yield of H2O on food
Y_OX mol/mol -0.887836 -0.889972 -0.849693 -0.862157 -0.567808 -0.632678 -0.623133 -0.699125 yield of O2 on food
Y_NX mol/mol 0.161425 0.161813 0.15449 0.156756 0.103238 0.115032 0.113297 0.127114 yield of N-waste on food
mu_TX J/mol 448974 450266 429785 436485 286082 321198 314209 354482 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