Natrix maura: Population traits

at T = 26 °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: 2023/08/22
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.451046 0.451046 0.48523 0.48523 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00276896 0.00276896 0.000946694 0.000946694 spec pop growth rate
t2 d NaN NaN NaN NaN 250.328 250.328 732.176 732.176 population doubling time
a_b d 65.3461 68.7641 64.5516 67.9441 57.1195 60.1797 57.1195 60.1797 age at birth
t_p d 4610.78 2665.11 3056.42 2031.21 761.032 545.589 761.032 545.589 time since birth at puberty
S_b - 0.999992 0.999988 0.999992 0.999988 0.999995 0.999991 0.999995 0.999991 survival probability at birth
S_p - 0.99995 0.999919 0.84912 0.904139 0.999968 0.999948 0.705284 0.76827 survival probability at puberty
theta_0b - 0.0108518 0.0131995 0.0451534 0.0334958 0.14627 0.153507 0.20899 0.175644 frac of ind that is embryo
theta_bp - 0.0108786 0.0132416 0.0416728 0.03193 0.12502 0.13014 0.166521 0.145681 fraction of individuals that is juvenile
theta_pi - 0.97827 0.973559 0.913174 0.934574 0.72871 0.716353 0.624489 0.678675 frac of ind that is adult
L_bi cm 2.5938 1.94548 2.50986 1.97827 2.41604 2.05331 2.41549 2.17385 mean structural length of post-natals
L2_bi cm^2 6.89524 3.83682 6.68372 4.01971 6.7113 4.63027 7.179 5.4329 mean squared structural length of post-natals
L3_bi cm^3 18.6447 7.64968 18.5413 8.34294 21.2098 11.4522 25.8762 15.5035 mean cubed structural length of post-natals
Ww_bi g 21.8122 8.60474 21.9299 9.4635 29.1986 14.6222 35.6226 19.7949 mean wet weight of post-natals
L_pi cm 2.60841 1.95484 2.56581 2.00277 2.59836 2.1864 2.7 2.35745 mean structural length of adults
L2_pi cm^2 6.9537 3.86752 6.91346 4.10267 7.5477 5.15408 8.60715 6.22537 mean squared structural length of adults
L3_pi cm^3 18.8287 7.72671 19.2907 8.55936 24.4202 13.1124 32.1172 18.3372 mean cubed structural length of adults
Ww_pi g 22.0275 8.69138 22.8163 9.70899 33.6181 16.7419 44.2143 23.413 mean wet weight of adults
R 1/d 0 0.000614587 0 0.0012449 0.0114202 0.00833274 0.0149263 0.0109976 mean reproduction rate of adults
J_X g/d 0.153134 0.0626209 0.159686 0.070578 0.330452 0.167545 0.35348 0.196588 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 0.177724 0.189267 0.0693019 0.074659 yield of living structure on food
Y_VX_d mol/mol 0.0258471 0.0289785 0.047254 0.0473038 0.000480896 0.000699118 0.0951477 0.0903677 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0669403 0.0523891 0.0261028 0.0206656 yield of living reserve on food
Y_EX_d mol/mol 0.00439111 0.00361795 0.0086363 0.00635346 0.000181131 0.000193516 0.0358377 0.0250138 yield of dead reserve on food
Y_CX mol/mol 0.699064 0.697148 0.678222 0.680036 0.524305 0.526562 0.539691 0.552434 yield of CO2 on food
Y_HX mol/mol 0.743279 0.741241 0.721118 0.723047 0.557466 0.559866 0.573825 0.587374 yield of H2O on food
Y_OX mol/mol -0.887274 -0.884842 -0.86082 -0.863123 -0.665464 -0.668329 -0.684992 -0.701166 yield of O2 on food
Y_NX mol/mol 0.161323 0.16088 0.156513 0.156931 0.120994 0.121514 0.124544 0.127485 yield of N-waste on food
mu_TX J/mol 449289 448170 436485 437695 340576 342667 350130 358642 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