Cernuella virgata: Population traits

at T = 20 °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_minf f_max date: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.50455 0.548191 0.774096 0.774096 1 1 scaled functional response
r 1/d 0 0 0.0172424 0.00558129 0.0261146 0.00798346 spec pop growth rate
t2 d NaN NaN 40.2002 124.191 26.5425 86.8229 population doubling time
a_b d 14.9468 14.7868 14.1894 14.1894 13.8156 13.8156 age at birth
t_j d 20.1617 18.8104 14.6905 14.6905 12.6783 12.6783 time since birth at metam
t_p d 285.998 801.763 278.686 278.686 191.877 191.877 time since birth at puberty
S_b - 0.999995 0.999995 0.999995 0.999995 0.999996 0.999996 survival probability at birth
S_j - 0.999967 0.318532 0.999975 0.226677 0.99998 0.206858 survival probability at metam
S_p - 0.999953 0.233324 0.999974 0.215102 0.999978 0.188755 survival probability at puberty
theta_0b - 0.0178202 0.278994 0.217116 0.5288 0.302875 0.591435 frac of ind that is embryo
theta_bj - 0.0178283 0.166262 0.170044 0.257034 0.196534 0.248967 frac of ind between b and j
theta_jp - 0.00622018 0.0207886 0.00527733 0.00365715 0.0146533 0.00818851 frac of ind between j and p
theta_pi - 0.958131 0.533956 0.607563 0.21051 0.485938 0.151409 frac of ind that is adult
L_bi cm 0.236047 0.196513 0.187887 0.138146 0.177987 0.129641 mean structural length of post-natals
L2_bi cm^2 0.0572828 0.0465293 0.0437976 0.028748 0.0412681 0.0267733 mean squared structural length of post-natals
L3_bi cm^3 0.0140915 0.0119365 0.0117388 0.0079798 0.0115483 0.00810867 mean cubed structural length of post-natals
Ww_bi g 0.0568518 0.0512906 0.0663897 0.0451304 0.0810026 0.056876 mean wet weight of post-natals
L_pi cm 0.240085 0.240306 0.219965 0.21943 0.220919 0.223999 mean structural length of adults
L2_pi cm^2 0.058576 0.0610043 0.0547001 0.0577028 0.0564019 0.0626849 mean squared structural length of adults
L3_pi cm^3 0.0144339 0.0159825 0.0149871 0.0173593 0.0163332 0.0211345 mean cubed structural length of adults
Ww_pi g 0.0582332 0.0686759 0.0847611 0.0981767 0.114564 0.148242 mean wet weight of adults
R 1/d 0 0.0107362 0.0892901 0.176497 0.21796 0.391773 mean reproduction rate of adults
J_X g/d 0.0221037 0.0195631 0.0267331 0.0172193 0.0328879 0.0208644 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.546875 0.546875 0.546875 0.546875 0.546875 0.546875 yield of faeces on food
Y_VX mol/mol 0 0 0.0075713 0.0025865 0.00916997 0.00310266 yield of living structure on food
Y_VX_d mol/mol 0.00089969 0.0022336 1.96047e-05 0.00496833 7.57559e-06 0.00581896 yield of dead structure on food
Y_EX mol/mol 0 0 0.0352488 0.0120417 0.0551502 0.0186601 yield of living reserve on food
Y_EX_d mol/mol 0.00273009 0.00736405 9.12713e-05 0.0231305 4.55613e-05 0.0349965 yield of dead reserve on food
Y_CX mol/mol 0.449495 0.443527 0.410194 0.410398 0.388752 0.390547 yield of CO2 on food
Y_HX mol/mol 0.324635 0.320325 0.296251 0.296399 0.280765 0.282062 yield of H2O on food
Y_OX mol/mol -0.488826 -0.482336 -0.446086 -0.446308 -0.422767 -0.42472 yield of O2 on food
Y_NX mol/mol 0.0674243 0.0665291 0.0615291 0.0615597 0.0583127 0.058582 yield of N-waste on food
mu_TX J/mol 260549 257333 239267 239378 227554 228528 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female are the same.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer