Viviparus contectus: Population traits

at T = 18 °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_minf f_max date: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.446274 0.66767 0.833835 0.833835 1 1 scaled functional response
r 1/d 0 0 0.00264996 0.000191967 0.00343485 0.000329499 spec pop growth rate
t2 d NaN NaN 261.569 3610.76 201.799 2103.64 population doubling time
a_b d 25.38 23.7083 22.8306 22.8306 22.1403 22.1403 age at birth
t_p d 3046.33 1055.82 761.108 761.108 605.415 605.415 time since birth at puberty
S_b - 0.999995 0.999996 0.999996 0.999996 0.999997 0.999997 survival probability at birth
S_p - 0.99997 0.739667 0.999979 0.699162 0.999981 0.665314 survival probability at puberty
theta_0b - 0.00675075 0.102917 0.0588575 0.141248 0.0732864 0.171269 frac of ind that is embryo
theta_bp - 0.00676773 0.0886224 0.0554868 0.117709 0.0680104 0.138807 fraction of individuals that is juvenile
theta_pi - 0.986482 0.80846 0.885656 0.741043 0.858703 0.689924 frac of ind that is adult
L_bi cm 0.860152 0.757396 0.698475 0.730018 0.69285 0.714269 mean structural length of post-natals
L2_bi cm^2 0.788244 0.803399 0.623143 0.828797 0.62841 0.855878 mean squared structural length of post-natals
L3_bi cm^3 0.747813 1.01064 0.661778 1.19859 0.695463 1.38552 mean cubed structural length of post-natals
Ww_bi g 0.827185 1.17113 0.793017 1.43628 0.860866 1.71504 mean wet weight of post-natals
L_pi cm 0.864544 0.815811 0.727905 0.809808 0.729361 0.811594 mean structural length of adults
L2_pi cm^2 0.79332 0.885931 0.658897 0.952188 0.673909 1.01735 mean squared structural length of adults
L3_pi cm^3 0.75287 1.12018 0.702483 1.38708 0.749547 1.66179 mean cubed structural length of adults
Ww_pi g 0.832779 1.29806 0.841795 1.66216 0.927813 2.05701 mean wet weight of adults
R 1/d 0 0.00537048 0.00292192 0.0119347 0.0063841 0.0186393 mean reproduction rate of adults
J_X g/d 0.00747151 0.011393 0.0110361 0.0146783 0.0133472 0.0181785 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.21875 0.21875 0.21875 0.21875 0.21875 0.21875 yield of faeces on food
Y_VX mol/mol 0 0 0.158905 0.0156755 0.178975 0.0251136 yield of living structure on food
Y_VX_d mol/mol 0.0389087 0.0768088 0.00220653 0.0812511 0.00131613 0.0856667 yield of dead structure on food
Y_EX mol/mol 0 0 0.0315129 0.00310866 0.0425659 0.00597283 yield of living reserve on food
Y_EX_d mol/mol 0.00412971 0.0121967 0.000437584 0.0161131 0.000313018 0.0203743 yield of dead reserve on food
Y_CX mol/mol 0.738212 0.692244 0.588188 0.665102 0.55808 0.644123 yield of CO2 on food
Y_HX mol/mol 0.533153 0.499954 0.424802 0.480351 0.403058 0.4652 yield of H2O on food
Y_OX mol/mol -0.802805 -0.752816 -0.639654 -0.723298 -0.606912 -0.700483 yield of O2 on food
Y_NX mol/mol 0.110732 0.103837 0.0882282 0.0997652 0.083712 0.0966184 yield of N-waste on food
mu_TX J/mol 398274 374887 321871 360965 306271 350119 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