Platysternon megacephalum: Population traits

at T = 15 °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: 2024/01/08
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.596953 0.596953 0.83383 0.83383 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000480973 0.000480973 4.74451e-05 4.74451e-05 spec pop growth rate
t2 d NaN NaN NaN NaN 1441.13 1441.13 14609.5 14609.5 population doubling time
a_b d 319.788 309.567 302.831 293.648 294.352 285.774 294.352 285.774 age at birth
t_p d 8222.72 9278.86 3765.96 4238.69 2912.43 3306.88 2912.43 3306.88 time since birth at puberty
S_b - 0.999941 0.999956 0.999949 0.999962 0.999953 0.999965 0.999953 0.999965 survival probability at birth
S_p - 0.999635 0.999736 0.613592 0.568364 0.999736 0.999807 0.571797 0.529816 survival probability at puberty
theta_0b - 0.0265389 0.0236154 0.160195 0.184091 0.133982 0.129913 0.212047 0.239009 frac of ind that is embryo
theta_bp - 0.0265603 0.0236321 0.125099 0.138315 0.116348 0.113277 0.157688 0.171133 fraction of individuals that is juvenile
theta_pi - 0.946901 0.952752 0.714706 0.677593 0.74967 0.75681 0.630265 0.589858 frac of ind that is adult
L_bi cm 4.38906 5.29231 4.59301 5.17031 4.37755 4.96621 4.64913 5.10654 mean structural length of post-natals
L2_bi cm^2 20.0568 29.3924 24.6324 32.7677 22.1629 29.3363 26.7392 34.2027 mean squared structural length of post-natals
L3_bi cm^3 94.1233 168.121 145.648 234.005 125.4 196.727 176.754 271.175 mean cubed structural length of post-natals
Ww_bi g 127.283 240.272 217.321 374.282 199.407 338.159 281.068 466.13 mean wet weight of post-natals
L_pi cm 4.45718 5.37383 5.04359 5.80512 4.73457 5.39126 5.29779 5.97942 mean structural length of adults
L2_pi cm^2 20.5113 30.0212 28.227 38.5841 24.9286 33.0448 32.3641 42.8381 mean squared structural length of adults
L3_pi cm^3 96.5505 172.088 169.68 279.95 143.444 224.698 218.758 347.103 mean cubed structural length of adults
Ww_pi g 130.565 245.942 253.178 447.77 228.1 386.238 347.861 596.644 mean wet weight of adults
R 1/d 0 0 0.00137452 0.00178899 0.00128951 0.00146211 0.00229278 0.002994 mean reproduction rate of adults
J_X g/d 0.226345 0.40407 0.388288 0.629224 0.418982 0.675594 0.505496 0.787665 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 0.143954 0.140055 0.0165899 0.0163343 yield of living structure on food
Y_VX_d mol/mol 0.0489105 0.045553 0.0904026 0.086334 0.00669669 0.00548003 0.0931102 0.0891016 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0849562 0.100689 0.00979072 0.0117431 yield of living reserve on food
Y_EX_d mol/mol 0.0172311 0.0195497 0.0444867 0.0517538 0.00395213 0.00393972 0.0549501 0.0640572 yield of dead reserve on food
Y_CX mol/mol 0.669893 0.670737 0.614035 0.611437 0.528991 0.520374 0.5819 0.576378 yield of CO2 on food
Y_HX mol/mol 0.712262 0.71316 0.652872 0.650109 0.562449 0.553287 0.618703 0.612833 yield of H2O on food
Y_OX mol/mol -0.850249 -0.85132 -0.779352 -0.776054 -0.671412 -0.660475 -0.738565 -0.731557 yield of O2 on food
Y_NX mol/mol 0.154591 0.154785 0.1417 0.141101 0.122075 0.120086 0.134285 0.13301 yield of N-waste on food
mu_TX J/mol 431024 431418 395916 393983 342318 336326 375489 371601 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