Simocephalus vetulus: Population traits

at T = 20 °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: 2025/05/22
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.416953 0.416953 0.584904 0.584904 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.167413 0.167413 0.0285595 0.0285595 spec pop growth rate
t2 d NaN NaN NaN NaN 4.14035 4.14035 24.2703 24.2703 population doubling time
a_b d 1.64613 1.9526 1.56819 1.84796 1.46661 1.6968 1.46661 1.6968 age at birth
t_p d 45.2067 NaN 25.2981 295.4 14.1489 71.9468 14.1489 71.9468 time since birth at puberty
S_b - 0.999854 0.999289 0.999873 0.999398 0.999895 0.999532 0.999895 0.999532 survival probability at birth
S_p - 0.999088 0.994224 0.543462 0.868677 0.999447 0.996947 0.437881 0.687527 survival probability at puberty
theta_0b - 0.0415057 0.0930703 0.210756 0.113432 0.219677 0.256672 0.349678 0.211823 frac of ind that is embryo
theta_bp - 0.0415147 0.0929611 0.154436 0.105619 0.171861 0.193061 0.221185 0.166863 fraction of individuals that is juvenile
theta_pi - 0.91698 0.813969 0.634808 0.780949 0.608462 0.550267 0.429137 0.621314 frac of ind that is adult
L_bi cm 0.016928 0.00698553 0.0176898 0.00870255 0.0187591 0.0105563 0.0185588 0.0115036 mean structural length of post-natals
L2_bi cm^2 0.00029854 4.87979e-05 0.000362956 7.63111e-05 0.000424611 0.000116568 0.000463646 0.000140034 mean squared structural length of post-natals
L3_bi cm^3 5.4135e-06 3.40882e-07 8.21699e-06 6.73927e-07 1.11554e-05 1.34407e-06 1.44035e-05 1.79118e-06 mean cubed structural length of post-natals
Ww_bi g 8.53768e-06 4.08063e-07 1.48692e-05 8.60244e-07 2.65956e-05 1.97937e-06 3.43396e-05 2.63782e-06 mean wet weight of post-natals
L_pi cm 0.0173229 0.00698252 0.0199272 0.0088854 0.0214596 0.0114777 0.0234833 0.0124678 mean structural length of adults
L2_pi cm^2 0.000308994 4.87557e-05 0.000433571 7.93215e-05 0.000520313 0.000135339 0.000660231 0.000160776 mean squared structural length of adults
L3_pi cm^3 5.63324e-06 3.40439e-07 1.00635e-05 7.11296e-07 1.40772e-05 1.63917e-06 2.14348e-05 2.13799e-06 mean cubed structural length of adults
Ww_pi g 8.88423e-06 4.07532e-07 1.82106e-05 9.07944e-07 3.35616e-05 2.41395e-06 5.11029e-05 3.14855e-06 mean wet weight of adults
R 1/d 0.265997 0 0.468875 0.0126528 0.640858 0.0783965 0.882103 0.100923 mean reproduction rate of adults
J_X g/d 4.05345e-06 2.2626e-07 6.91312e-06 4.96355e-07 1.38269e-05 1.29628e-06 1.50981e-05 1.55723e-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 0.135066 0.173585 0.0272456 0.0328501 yield of living structure on food
Y_VX_d mol/mol 0.0492926 0.0788695 0.087602 0.09857 0.00483407 0.0158626 0.0886925 0.109187 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.186946 0.0820478 0.037711 0.0155272 yield of living reserve on food
Y_EX_d mol/mol 0.0284471 0.0155436 0.0709201 0.0272512 0.00669088 0.00749775 0.12276 0.0516093 yield of dead reserve on food
Y_CX mol/mol 0.812885 0.796212 0.732103 0.764804 0.557088 0.611632 0.614216 0.681451 yield of CO2 on food
Y_HX mol/mol 0.586181 0.574157 0.527928 0.551509 0.401722 0.441055 0.442918 0.491402 yield of H2O on food
Y_OX mol/mol -0.884013 -0.86588 -0.796162 -0.831724 -0.605833 -0.66515 -0.66796 -0.741078 yield of O2 on food
Y_NX mol/mol 0.121933 0.119432 0.109815 0.114721 0.0835632 0.0917448 0.0921323 0.102218 yield of N-waste on food
mu_TX J/mol 432208 424516 389693 408227 296050 328526 326272 364556 yield of heat on food

Remarks

  • Reprod-code A applies. Data concerns population of females only.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer