Arion subfuscus: Population traits

at T = 18 °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 - 0.552118 NaN 0.776059 NaN 1 1 scaled functional response
r 1/d 0 0 0.00856244 NaN 0.0136268 NaN spec pop growth rate
t2 d NaN NaN 80.952 NaN 50.8666 NaN population doubling time
a_b d 32.2337 NaN 30.9051 NaN 30.0617 NaN age at birth
t_j d 370.382 NaN 152.854 NaN 109.484 NaN time since birth at metam
t_p d 370.659 NaN 152.949 NaN 109.548 NaN time since birth at puberty
S_b - 0.999521 NaN 0.999587 NaN 0.999625 NaN survival probability at birth
S_j - 0.995177 NaN 0.996692 NaN 0.997376 NaN survival probability at metam
S_p - 0.584316 NaN 0.96255 NaN 0.984806 NaN survival probability at puberty
theta_0b - 0.072257 NaN 0.242646 NaN 0.339989 NaN frac of ind that is embryo
theta_bj - 0.0721565 NaN 0.18604 NaN 0.225521 NaN frac of ind between b and j
theta_jp - 0.625441 NaN 0.392369 NaN 0.292714 NaN frac of ind between j and p
theta_pi - 0.230145 NaN 0.178944 NaN 0.141777 NaN frac of ind that is adult
L_bi cm 0.389023 NaN 0.488349 NaN 0.525213 NaN mean structural length of post-natals
L2_bi cm^2 0.174947 NaN 0.326564 NaN 0.412599 NaN mean squared structural length of post-natals
L3_bi cm^3 0.0877473 NaN 0.269596 NaN 0.42456 NaN mean cubed structural length of post-natals
Ww_bi g 0.180523 NaN 0.670256 NaN 1.23759 NaN mean wet weight of post-natals
L_pi cm 0.610396 NaN 0.965342 NaN 1.15557 NaN mean structural length of adults
L2_pi cm^2 0.37323 NaN 0.947833 NaN 1.38547 NaN mean squared structural length of adults
L3_pi cm^3 0.228591 NaN 0.945128 NaN 1.71814 NaN mean cubed structural length of adults
Ww_pi g 0.47028 NaN 2.34973 NaN 5.00837 NaN mean wet weight of adults
R 1/d 0.00916041 NaN 0.0380366 NaN 0.0643274 NaN mean reproduction rate of adults
J_X g/d 0.0142211 NaN 0.0495197 NaN 0.0879107 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 0.0466159 NaN 0.0658098 NaN yield of living structure on food
Y_VX_d mol/mol 0.0281812 NaN 0.00866219 NaN 0.00462643 NaN yield of dead structure on food
Y_EX mol/mol 0 NaN 0.069278 NaN 0.126025 NaN yield of living reserve on food
Y_EX_d mol/mol 0.029796 NaN 0.0128733 NaN 0.00885958 NaN yield of dead reserve on food
Y_CX mol/mol 0.832648 NaN 0.753196 NaN 0.685304 NaN yield of CO2 on food
Y_HX mol/mol 0.601357 NaN 0.543975 NaN 0.494942 NaN yield of H2O on food
Y_OX mol/mol -0.905504 NaN -0.8191 NaN -0.745268 NaN yield of O2 on food
Y_NX mol/mol 0.124897 NaN 0.112979 NaN 0.102796 NaN yield of N-waste on food
mu_TX J/mol 442022 NaN 399678 NaN 363095 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