Bithynia tentaculata: 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: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.709229 NaN 0.854615 NaN 1 1 scaled functional response
r 1/d 0 0 0.00104823 NaN 0.00177658 NaN spec pop growth rate
t2 d NaN NaN 661.254 NaN 390.159 NaN population doubling time
a_b d 22.6474 NaN 21.9488 NaN 21.3737 NaN age at birth
t_j d 0.00725695 NaN 0.0060183 NaN 0.00516337 NaN time since birth at metam
t_p d 1933.96 NaN 1276.44 NaN 979.069 NaN time since birth at puberty
S_b - 0.999963 NaN 0.999966 NaN 0.999968 NaN survival probability at birth
S_j - 0.999963 NaN 0.999966 NaN 0.999968 NaN survival probability at metam
S_p - 0.999778 NaN 0.999799 NaN 0.999815 NaN survival probability at puberty
theta_0b - 0.0121177 NaN 0.0277553 NaN 0.0401349 NaN frac of ind that is embryo
theta_bj - 3.89403e-06 NaN 7.54192e-06 NaN 9.53389e-06 NaN frac of ind between b and j
theta_jp - 0.0121476 NaN 0.027182 NaN 0.0387136 NaN frac of ind between j and p
theta_pi - 0.975731 NaN 0.945055 NaN 0.921142 NaN frac of ind that is adult
L_bi cm 0.264985 NaN 0.244277 NaN 0.236736 NaN mean structural length of post-natals
L2_bi cm^2 0.077872 NaN 0.0706568 NaN 0.0688839 NaN mean squared structural length of post-natals
L3_bi cm^3 0.0243577 NaN 0.0228111 NaN 0.0230871 NaN mean cubed structural length of post-natals
Ww_bi g 0.0267962 NaN 0.0255629 NaN 0.0263459 NaN mean wet weight of post-natals
L_pi cm 0.267352 NaN 0.249128 NaN 0.243478 NaN mean structural length of adults
L2_pi cm^2 0.0787718 NaN 0.0725246 NaN 0.0715341 NaN mean squared structural length of adults
L3_pi cm^3 0.0246558 NaN 0.0234549 NaN 0.0240388 NaN mean cubed structural length of adults
Ww_pi g 0.0271241 NaN 0.0262843 NaN 0.027432 NaN mean wet weight of adults
R 1/d 0 NaN 0 NaN 0 NaN mean reproduction rate of adults
J_X g/d 0.000192114 NaN 0.000210046 NaN 0.000239612 NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.21875 NaN 0.21875 NaN 0.21875 NaN yield of faeces on food
Y_VX mol/mol 0 NaN 0.113839 NaN 0.171176 NaN yield of living structure on food
Y_VX_d mol/mol 0.119155 NaN 0.0602315 NaN 0.0378007 NaN yield of dead structure on food
Y_EX mol/mol 0 NaN 0.0137326 NaN 0.0241622 NaN yield of living reserve on food
Y_EX_d mol/mol 0.0119287 NaN 0.00726587 NaN 0.00533571 NaN yield of dead reserve on food
Y_CX mol/mol 0.650166 NaN 0.586181 NaN 0.542775 NaN yield of CO2 on food
Y_HX mol/mol 0.469564 NaN 0.423353 NaN 0.392004 NaN yield of H2O on food
Y_OX mol/mol -0.707055 NaN -0.637472 NaN -0.590268 NaN yield of O2 on food
Y_NX mol/mol 0.0975249 NaN 0.0879272 NaN 0.0814163 NaN yield of N-waste on food
mu_TX J/mol 353862 NaN 321416 NaN 299288 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