Theodoxus fluviatilis: Population traits

at T = 12 °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 - 0.50619 0.77694 0.88847 0.88847 1 1 scaled functional response
r 1/d 0 0 0.00377295 0.00036354 0.00453011 0.000663417 spec pop growth rate
t2 d NaN NaN 183.715 1906.66 153.009 1044.81 population doubling time
a_b d 24.7775 23.056 22.5388 22.5388 22.0928 22.0928 age at birth
t_j d 0.043342 0.0288635 0.025539 0.025539 0.022975 0.022975 time since birth at metam
t_p d 1977.65 1058.21 899.704 899.704 786.292 786.292 time since birth at puberty
S_b - 0.999788 0.999826 0.999836 0.999836 0.999844 0.999844 survival probability at birth
S_j - 0.999787 0.999193 0.999835 0.999199 0.999844 0.999205 survival probability at metam
S_p - 0.998756 0.733275 0.999075 0.71025 0.999132 0.689506 survival probability at puberty
theta_0b - 0.0213943 0.148876 0.0858761 0.173058 0.098691 0.193535 frac of ind that is embryo
theta_bj - 3.7525e-05 0.000186705 9.33954e-05 0.000195603 9.77429e-05 0.000200084 frac of ind between b and j
theta_jp - 0.0214051 0.127522 0.0789015 0.14472 0.0893195 0.158459 frac of ind between j and p
theta_pi - 0.957163 0.723416 0.835129 0.682026 0.811892 0.647805 frac of ind that is adult
L_bi cm 0.128986 0.0961996 0.104352 0.0934337 0.102977 0.0917462 mean structural length of post-natals
L2_bi cm^2 0.0193669 0.0132577 0.0139925 0.0127764 0.0137474 0.0125169 mean squared structural length of post-natals
L3_bi cm^3 0.00322147 0.00244875 0.00231251 0.00242764 0.00229083 0.00244296 mean cubed structural length of post-natals
Ww_bi g 0.00373044 0.00304257 0.00295379 0.00310085 0.00300584 0.00320545 mean wet weight of post-natals
L_pi cm 0.130968 0.10588 0.110264 0.104427 0.109672 0.103931 mean structural length of adults
L2_pi cm^2 0.0197639 0.0152955 0.01515 0.0151208 0.0150649 0.0151493 mean squared structural length of adults
L3_pi cm^3 0.00329215 0.00286847 0.00252427 0.00292795 0.00253479 0.00302299 mean cubed structural length of adults
Ww_pi g 0.00381228 0.00356407 0.00322426 0.0037399 0.00332594 0.00396652 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 3.70914e-05 3.89725e-05 4.70373e-05 4.29491e-05 5.20144e-05 4.73589e-05 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 0.185491 0.0205486 0.199516 0.0342217 yield of living structure on food
Y_VX_d mol/mol 0.147204 0.198419 0.0302686 0.188289 0.0230279 0.181661 yield of dead structure on food
Y_EX mol/mol 0 0 0.051438 0.00569829 0.0622725 0.0106812 yield of living reserve on food
Y_EX_d mol/mol 0.0232569 0.0481161 0.0083937 0.052214 0.00718742 0.0566998 yield of dead reserve on food
Y_CX mol/mol 0.610789 0.534714 0.505659 0.5145 0.489246 0.497986 yield of CO2 on food
Y_HX mol/mol 0.441126 0.386183 0.365198 0.371583 0.353345 0.359657 yield of H2O on food
Y_OX mol/mol -0.664233 -0.581502 -0.549904 -0.559519 -0.532055 -0.54156 yield of O2 on food
Y_NX mol/mol 0.0916184 0.0802072 0.0758488 0.077175 0.0733869 0.0746979 yield of N-waste on food
mu_TX J/mol 333607 294326 279213 283729 270525 274999 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