Parachondrostoma toxostoma: Population traits

at T = 22 °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_min f_max date: 2025/04/17
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.272199 0.272199 0.324023 0.324023 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0075992 0.0075992 0.00120753 0.00120753 spec pop growth rate
t2 d NaN NaN NaN NaN 91.2132 91.2132 574.02 574.02 population doubling time
a_b d 23.3299 23.8767 22.6658 23.1977 19.1554 19.5108 19.1554 19.5108 age at birth
t_j d 20.932 23.664 18.0607 20.3256 8.14589 8.84618 8.14589 8.84618 time since birth at metam
t_p d 5410.28 NaN 2887.02 4455.77 761.943 847.865 761.943 847.865 time since birth at puberty
S_b - 0.999995 0.999994 0.999996 0.999995 0.999997 0.999997 0.999997 0.999997 survival probability at birth
S_j - 0.999977 0.999968 0.517438 0.519025 0.999994 0.999992 0.510896 0.511323 survival probability at metam
S_p - 0.999974 0.999968 0.464105 0.48842 0.999987 0.999984 0.301551 0.317676 survival probability at puberty
theta_0b - 0.00588187 0.00632449 0.258404 0.237736 0.135372 0.137711 0.46019 0.44484 frac of ind that is embryo
theta_bj - 0.00528713 0.0062784 0.151071 0.153048 0.0519176 0.0560839 0.14044 0.144707 frac of ind between b and j
theta_jp - 0.000605666 5.64446e-05 0.0257718 0.0148468 0.0652513 0.0627866 0.101098 0.0953458 frac of ind between j and p
theta_pi - 0.988225 0.987341 0.564754 0.594369 0.747459 0.743419 0.298272 0.315107 frac of ind that is adult
L_bi cm 1.33984 1.15803 0.511706 0.484245 0.564664 0.526055 0.349756 0.343321 mean structural length of post-natals
L2_bi cm^2 2.00384 1.49603 0.577069 0.480449 0.502361 0.429475 0.335693 0.308524 mean squared structural length of post-natals
L3_bi cm^3 3.14758 2.03142 0.910716 0.655675 0.618498 0.482346 0.721606 0.599346 mean cubed structural length of post-natals
Ww_bi g 4.00877 2.51457 1.20733 0.841311 1.24019 0.903806 1.44694 1.12304 mean wet weight of post-natals
L_pi cm 1.34709 1.16468 0.633567 0.586793 0.631109 0.588012 0.52402 0.503525 mean structural length of adults
L2_pi cm^2 2.0157 1.50554 0.753036 0.611992 0.577939 0.495021 0.592564 0.529827 mean squared structural length of adults
L3_pi cm^3 3.16633 2.04444 1.1953 0.840377 0.714987 0.559023 1.30386 1.05404 mean cubed structural length of adults
Ww_pi g 4.03266 2.53069 1.58461 1.07831 1.43366 1.04748 2.61444 1.97503 mean wet weight of adults
R 1/d 0 0 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.0185379 0.0120159 0.00635983 0.00459771 0.0171657 0.0127528 0.0114587 0.00915116 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 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.273807 0.287423 0.0760438 0.0790861 yield of living structure on food
Y_VX_d mol/mol 0.070298 0.0738251 0.134978 0.140678 0.000361454 0.000436328 0.156991 0.164123 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.27522 0.251142 0.0764363 0.0691033 yield of living reserve on food
Y_EX_d mol/mol 0.0192338 0.0175586 0.0439615 0.0398291 0.000363319 0.000381251 0.157801 0.143406 yield of dead reserve on food
Y_CX mol/mol 0.801093 0.799241 0.711686 0.710118 0.340873 0.351242 0.423353 0.434906 yield of CO2 on food
Y_HX mol/mol 0.576342 0.57501 0.512019 0.51089 0.245239 0.252699 0.304579 0.312891 yield of H2O on food
Y_OX mol/mol -0.871189 -0.869175 -0.773958 -0.772253 -0.370699 -0.381976 -0.460397 -0.47296 yield of O2 on food
Y_NX mol/mol 0.120164 0.119886 0.106753 0.106518 0.0511309 0.0526863 0.063503 0.0652359 yield of N-waste on food
mu_TX J/mol 426772 425930 380832 380255 183845 190232 227152 234015 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female differ.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer