Geukensia demissa: Population traits

at T = 15 °C with background hazards for embryo, larva, juv, adult: 0, 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 abj f_min f_max date: 2025/02/12
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.15254 0.15254 0.15254 0.15254 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0401071 0.0401071 0.00646572 0.00646572 spec pop growth rate
t2 d NaN NaN NaN NaN 17.2824 17.2824 107.203 107.203 population doubling time
a_b d 1.66123 1.67135 1.66123 1.67135 1.22815 1.23659 1.22815 1.23659 age at birth
t_j d 48.0163 50.0126 48.0163 50.0126 8.06138 8.3542 8.06138 8.3542 time since birth at metam
t_p d 4310.98 5636.31 4310.98 5636.31 289.733 301.173 289.733 301.173 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_j - 1 1 0.870876 0.874999 1 1 0.543358 0.552864 survival probability at metam
S_p - 0.999997 0.999997 0.0183866 0.0183937 1 1 0.018245 0.018246 survival probability at puberty
theta_0b - 0.000188497 0.000191877 0.115023 0.111483 0.0475103 0.047831 0.373031 0.366473 frac of ind that is embryo
theta_bj - 0.000191533 0.00019501 0.109156 0.106065 0.0457804 0.0460718 0.280621 0.277819 frac of ind between b and j
theta_jp - 0.00534454 0.00564035 0.720662 0.72684 0.217352 0.225018 0.317638 0.326817 frac of ind between j and p
theta_pi - 0.994275 0.993973 0.0551585 0.0556114 0.689358 0.68108 0.0287097 0.0288917 frac of ind that is adult
L_bi cm 0.44406 0.425392 0.0110934 0.0110172 0.0500121 0.0481662 0.00658073 0.00655745 mean structural length of post-natals
L2_bi cm^2 0.213178 0.195795 0.00215485 0.00204701 0.00520492 0.00483259 0.000250406 0.000242291 mean squared structural length of post-natals
L3_bi cm^3 0.10528 0.0927369 0.000948722 0.000863268 0.000810082 0.000725623 7.17735e-05 6.69116e-05 mean cubed structural length of post-natals
Ww_bi g 0.108701 0.0956299 0.000979546 0.000890198 0.000982626 0.00087402 8.7061e-05 8.05957e-05 mean wet weight of post-natals
L_pi cm 0.446492 0.427847 0.104137 0.102507 0.0664338 0.064559 0.041751 0.041405 mean structural length of adults
L2_pi cm^2 0.214365 0.196944 0.0341695 0.0323039 0.00717023 0.0067338 0.00491364 0.00475588 mean squared structural length of adults
L3_pi cm^3 0.105866 0.0932814 0.015219 0.0137901 0.0011191 0.00101424 0.00156395 0.00146375 mean cubed structural length of adults
Ww_pi g 0.109306 0.0961914 0.0157135 0.0142203 0.00135747 0.00122166 0.00189707 0.0017631 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 0.000527421 0.000465052 5.29879e-06 4.83087e-06 8.45589e-05 7.53728e-05 3.85468e-06 3.57432e-06 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 0.38423 0.386116 0.12039 0.121039 yield of living structure on food
Y_VX_d mol/mol 0.0315807 0.0320312 0.073188 0.0741691 1.43437e-06 1.50123e-06 0.251647 0.253052 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0818395 0.0789645 0.0256427 0.0247536 yield of living reserve on food
Y_EX_d mol/mol 0.00102607 0.000999244 0.00237791 0.00231377 3.05516e-07 3.07016e-07 0.0535998 0.0517516 yield of dead reserve on food
Y_CX mol/mol 0.858018 0.857595 0.815059 0.814142 0.424554 0.425543 0.439345 0.440029 yield of CO2 on food
Y_HX mol/mol 0.62254 0.622232 0.591371 0.590705 0.308037 0.308755 0.318769 0.319265 yield of H2O on food
Y_OX mol/mol -0.933095 -0.932634 -0.886377 -0.88538 -0.461702 -0.462778 -0.477788 -0.478532 yield of O2 on food
Y_NX mol/mol 0.128703 0.128639 0.122259 0.122121 0.0636831 0.0638314 0.0659018 0.0660043 yield of N-waste on food
mu_TX J/mol 456145 455935 434598 434143 235372 236011 242898 243377 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