Helicodonta obvoluta: Population traits

at T = 21.5 °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: 2024/11/08
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.394982 NaN 0.697491 NaN 1 1 scaled functional response
r 1/d 0 0 0.00395776 NaN 0.0069463 NaN spec pop growth rate
t2 d NaN NaN 175.136 NaN 99.7865 NaN population doubling time
a_b d 14.9004 NaN 13.544 NaN 12.7483 NaN age at birth
t_j d 48.2141 NaN 25.7343 NaN 18.157 NaN time since birth at metam
t_p d 694.91 NaN 246.808 NaN 159.37 NaN time since birth at puberty
S_b - 0.999988 NaN 0.999991 NaN 0.999992 NaN survival probability at birth
S_j - 0.999924 NaN 0.999945 NaN 0.999955 NaN survival probability at metam
S_p - 0.999583 NaN 0.999874 NaN 0.999932 NaN survival probability at puberty
theta_0b - 0.0113082 NaN 0.0532094 NaN 0.0850116 NaN frac of ind that is embryo
theta_bj - 0.0113357 NaN 0.050509 NaN 0.077906 NaN frac of ind between b and j
theta_jp - 0.0253393 NaN 0.0432 NaN 0.0310236 NaN frac of ind between j and p
theta_pi - 0.952017 NaN 0.853082 NaN 0.806059 NaN frac of ind that is adult
L_bi cm 0.206724 NaN 0.235331 NaN 0.245341 NaN mean structural length of post-natals
L2_bi cm^2 0.0447569 NaN 0.0659821 NaN 0.0767178 NaN mean squared structural length of post-natals
L3_bi cm^3 0.00996563 NaN 0.0207261 NaN 0.0283422 NaN mean cubed structural length of post-natals
Ww_bi g 0.0108906 NaN 0.0241231 NaN 0.0350023 NaN mean wet weight of post-natals
L_pi cm 0.211478 NaN 0.251856 NaN 0.266939 NaN mean structural length of adults
L2_pi cm^2 0.0462122 NaN 0.0724326 NaN 0.0860893 NaN mean squared structural length of adults
L3_pi cm^3 0.0103269 NaN 0.0229341 NaN 0.0320859 NaN mean cubed structural length of adults
Ww_pi g 0.0112854 NaN 0.0266931 NaN 0.0396256 NaN mean wet weight of adults
R 1/d 0.000900103 NaN 0.0055913 NaN 0.00997328 NaN mean reproduction rate of adults
J_X g/d 0.000184086 NaN 0.000495505 NaN 0.000835553 NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 NaN yield of faeces on food
Y_VX mol/mol 0 NaN 0.165546 NaN 0.235621 NaN yield of living structure on food
Y_VX_d mol/mol 0.0573494 NaN 0.00963704 NaN 0.00359856 NaN yield of dead structure on food
Y_EX mol/mol 0 NaN 0.027133 NaN 0.0553675 NaN yield of living reserve on food
Y_EX_d mol/mol 0.00532288 NaN 0.00157951 NaN 0.000845609 NaN yield of dead reserve on food
Y_CX mol/mol 0.827953 NaN 0.686729 NaN 0.595192 NaN yield of CO2 on food
Y_HX mol/mol 0.597966 NaN 0.495971 NaN 0.429861 NaN yield of H2O on food
Y_OX mol/mol -0.900399 NaN -0.746818 NaN -0.647272 NaN yield of O2 on food
Y_NX mol/mol 0.124193 NaN 0.103009 NaN 0.0892788 NaN yield of N-waste on food
mu_TX J/mol 440898 NaN 369117 NaN 321973 NaN 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