Malaclemys terrapin: Population traits

at T = 24 °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: 2025/05/14
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.91479 0.91479 0.921222 0.921222 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00111763 0.00111763 0.000379537 0.000379537 spec pop growth rate
t2 d NaN NaN NaN NaN 620.191 620.191 1826.3 1826.3 population doubling time
a_b d 101.353 101.37 101.256 101.273 100.15 100.166 100.15 100.166 age at birth
t_p d 5988.47 NaN 4133.93 4268.65 2216.03 2226.59 2216.03 2226.59 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 0.999998 0.999998 0.532049 0.532338 0.999998 0.999998 0.513251 0.513525 survival probability at puberty
theta_0b - 0.00651252 0.00651644 0.071107 0.071003 0.105908 0.105924 0.235497 0.235275 frac of ind that is embryo
theta_bp - 0.00651531 0.00651924 0.051491 0.0514297 0.0947283 0.0947411 0.161569 0.161459 fraction of individuals that is juvenile
theta_pi - 0.986972 0.986964 0.877402 0.877567 0.799364 0.799335 0.602934 0.603266 frac of ind that is adult
L_bi cm 5.27067 5.26431 4.92308 4.91789 3.9671 3.96364 3.81018 3.80801 mean structural length of post-natals
L2_bi cm^2 28.099 28.0309 25.5136 25.4569 17.5037 17.4707 17.1384 17.1134 mean squared structural length of post-natals
L3_bi cm^3 150.711 150.162 135.395 134.931 82.9837 82.7369 85.4404 85.2245 mean cubed structural length of post-natals
Ww_bi g 461.451 459.388 416.518 414.747 270.018 268.986 278.012 277.074 mean wet weight of post-natals
L_pi cm 5.29387 5.28748 5.11052 5.10479 4.22706 4.22326 4.3637 4.36034 mean structural length of adults
L2_pi cm^2 28.264 28.1955 26.834 26.7722 19.2019 19.1654 20.9079 20.8717 mean squared structural length of adults
L3_pi cm^3 151.67 151.117 143.03 142.528 92.1387 91.8645 106.873 106.574 mean cubed structural length of adults
Ww_pi g 464.385 462.311 440.005 438.099 299.807 298.661 347.751 346.482 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 4.20709 4.19174 3.84685 3.83359 2.86484 2.85593 2.80505 2.79752 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 0.0323737 0.0323781 0.0115605 0.0115623 yield of living structure on food
Y_VX_d mol/mol 0.00248446 0.00248549 0.0057913 0.00579232 3.61977e-05 3.62469e-05 0.016797 0.016793 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0729661 0.0728866 0.0260558 0.026028 yield of living reserve on food
Y_EX_d mol/mol 0.0051225 0.00511835 0.0120246 0.0120119 8.15847e-05 8.15956e-05 0.0378583 0.0378028 yield of dead reserve on food
Y_CX mol/mol 0.717452 0.717455 0.709157 0.709167 0.637949 0.638009 0.648662 0.648732 yield of CO2 on food
Y_HX mol/mol 0.762829 0.762832 0.75401 0.75402 0.678297 0.678362 0.689689 0.689762 yield of H2O on food
Y_OX mol/mol -0.910612 -0.910616 -0.900084 -0.900096 -0.809704 -0.809781 -0.823302 -0.82339 yield of O2 on food
Y_NX mol/mol 0.165566 0.165566 0.163652 0.163654 0.147219 0.147233 0.149691 0.149707 yield of N-waste on food
mu_TX J/mol 460361 460363 455005 455011 408935 408975 415864 415910 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