Silurus glanis: Population traits

at T = 20 °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: 2023/03/18
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.322789 0.32315 0.661575 0.661575 1 1 scaled functional response
r 1/d 0 0 0.00441231 0.000927674 0.00538372 0.00106894 spec pop growth rate
t2 d NaN NaN 157.094 747.188 128.749 648.443 population doubling time
a_b d 9.06386 9.06285 8.54944 8.54944 8.36183 8.36183 age at birth
t_j d 0.00284704 0.00284569 0.00222805 0.00222805 0.00202904 0.00202904 time since birth at metam
t_p d 10821.4 10037.1 2372.74 2372.74 1915.81 1915.81 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.99938 1 0.99938 1 0.999379 survival probability at metam
S_p - 1 0.364208 1 0.311029 1 0.291453 survival probability at puberty
theta_0b - 0.000272061 0.36771 0.0368409 0.450284 0.043786 0.469305 frac of ind that is embryo
theta_bj - 8.59031e-08 0.000116026 9.46863e-06 0.000117446 1.04454e-05 0.00011398 frac of ind between b and j
theta_jp - 0.000273396 0.222849 0.0356468 0.250402 0.0420816 0.252575 frac of ind between j and p
theta_pi - 0.999454 0.409325 0.927503 0.299196 0.914122 0.278006 frac of ind that is adult
L_bi cm 7.86729 1.04006 1.15662 0.244707 1.07334 0.239716 mean structural length of post-natals
L2_bi cm^2 63.7757 6.65557 2.40303 0.322939 2.10902 0.309414 mean squared structural length of post-natals
L3_bi cm^3 522.474 52.4085 7.05446 1.37984 5.98174 1.38586 mean cubed structural length of post-natals
Ww_bi g 1482.17 148.782 33.6125 6.57455 40.021 9.27211 mean wet weight of post-natals
L_pi cm 7.86942 1.56781 1.19809 0.387836 1.1191 0.389564 mean structural length of adults
L2_pi cm^2 63.7932 10.2781 2.49517 0.588652 2.20583 0.585394 mean squared structural length of adults
L3_pi cm^3 522.617 80.9559 7.32564 2.53483 6.25715 2.64508 mean cubed structural length of adults
Ww_pi g 1482.58 229.826 34.9046 12.0777 41.8637 17.697 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 3.24688 0.33922 0.250744 0.0336971 0.332639 0.0488014 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 0.124136 0.0379868 0.0968137 0.0303556 yield of living structure on food
Y_VX_d mol/mol 0.00546815 0.0147621 5.23423e-07 0.0749923 2.52409e-07 0.05996 yield of dead structure on food
Y_EX mol/mol 0 0 0.467337 0.143009 0.550922 0.17274 yield of living reserve on food
Y_EX_d mol/mol 0.0100441 0.027146 1.97054e-06 0.282325 1.43634e-06 0.341204 yield of dead reserve on food
Y_CX mol/mol 0.875113 0.848717 0.299149 0.352312 0.242888 0.286366 yield of CO2 on food
Y_HX mol/mol 0.629595 0.610605 0.215221 0.253469 0.174744 0.206024 yield of H2O on food
Y_OX mol/mol -0.951685 -0.92298 -0.325325 -0.383139 -0.264141 -0.311423 yield of O2 on food
Y_NX mol/mol 0.131267 0.127308 0.0448724 0.0528468 0.0364332 0.0429548 yield of N-waste on food
mu_TX J/mol 464242 450189 153395 182077 121085 144673 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