Unio tigridis: 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: 2025/05/23
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.213224 0.483696 0.741848 0.741848 1 1 scaled functional response
r 1/d 0 0 0.0138968 0.000148281 0.0180164 0.000240517 spec pop growth rate
t2 d NaN NaN 49.878 4674.54 38.473 2881.91 population doubling time
a_b d 1.76773 1.54578 1.44565 1.44565 1.38426 1.38426 age at birth
t_j d 1.03843 0.522124 0.381118 0.381118 0.313014 0.313014 time since birth at metam
t_p d 2732.07 588.363 388.746 388.746 306.016 306.016 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.724728 1 0.72447 1 0.72435 survival probability at metam
S_p - 1 0.494783 1 0.428742 1 0.387246 survival probability at puberty
theta_0b - 0.000367154 0.268234 0.0197413 0.325992 0.0244516 0.363064 frac of ind that is embryo
theta_bj - 0.000216971 0.0780751 0.00517817 0.074027 0.0054861 0.0706964 frac of ind between b and j
theta_jp - 0.000152381 0.107203 0.0143191 0.134785 0.0185429 0.149879 frac of ind between j and p
theta_pi - 0.999263 0.546488 0.960761 0.465196 0.951519 0.41636 frac of ind that is adult
L_bi cm 0.336732 0.05484 0.110617 0.0459636 0.106658 0.0422314 mean structural length of post-natals
L2_bi cm^2 0.120814 0.0269162 0.0217666 0.0266372 0.0206118 0.0270232 mean squared structural length of post-natals
L3_bi cm^3 0.0443869 0.0201609 0.00598443 0.0282736 0.00566897 0.0361458 mean cubed structural length of post-natals
Ww_bi g 0.0509024 0.0268741 0.00904069 0.0427129 0.00957159 0.0610292 mean wet weight of post-natals
L_pi cm 0.336854 0.0714546 0.112736 0.0638871 0.109191 0.0613318 mean structural length of adults
L2_pi cm^2 0.120859 0.0360301 0.0222076 0.0385773 0.0211312 0.0413187 mean squared structural length of adults
L3_pi cm^3 0.0444033 0.026996 0.00610587 0.0409646 0.00581212 0.0552946 mean cubed structural length of adults
Ww_pi g 0.0509212 0.0359853 0.00922416 0.0618853 0.00981329 0.0933604 mean wet weight of adults
R 1/d 0 0 0 0 0 0.346599 mean reproduction rate of adults
J_X g/d 0.000359505 0.000181776 0.000225481 0.000275934 0.000287834 0.000377365 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 0.109375 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0.368832 0.0151936 0.354838 0.0230378 yield of living structure on food
Y_VX_d mol/mol 0.0336497 0.0784005 3.46697e-05 0.0843973 1.86249e-05 0.0878309 yield of dead structure on food
Y_EX mol/mol 0 0 0.188363 0.00775942 0.244277 0.0158597 yield of living reserve on food
Y_EX_d mol/mol 0.00493935 0.0261062 1.77059e-05 0.0431018 1.28217e-05 0.0604644 yield of dead reserve on food
Y_CX mol/mol 0.852036 0.786118 0.333377 0.740173 0.291478 0.703432 yield of CO2 on food
Y_HX mol/mol 0.618199 0.570372 0.241883 0.537036 0.211484 0.510379 yield of H2O on food
Y_OX mol/mol -0.926589 -0.854904 -0.362547 -0.804938 -0.316983 -0.764983 yield of O2 on food
Y_NX mol/mol 0.127805 0.117918 0.0500065 0.111026 0.0437217 0.105515 yield of N-waste on food
mu_TX J/mol 452959 418941 184457 394731 160712 375087 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