Silurus asotus: Population traits

at T = 17 °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: 2025/06/26
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.204084 0.204084 0.602042 0.602042 1 1 scaled functional response
r 1/d 0 0 0.0111671 0.000848582 0.0143159 0.00094787 spec pop growth rate
t2 d NaN NaN 62.0707 816.83 48.4179 731.268 population doubling time
a_b d 11.0251 11.0251 9.67436 9.67436 9.28526 9.28526 age at birth
t_j d 16.3894 16.3894 9.1001 9.1001 7.64462 7.64462 time since birth at metam
t_p d 2656.2 2656.2 596.691 596.691 463.646 463.646 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.279272 1 0.148079 1 0.14771 survival probability at metam
S_p - 1 0.150138 1 0.136864 1 0.114311 survival probability at puberty
theta_0b - 0.00109252 0.442573 0.102259 0.612495 0.124312 0.64527 frac of ind that is embryo
theta_bj - 0.00109431 0.250475 0.0867475 0.255654 0.0907773 0.235479 frac of ind between b and j
theta_jp - 0.000532439 0.0448779 0.00518412 0.00512218 0.0182206 0.0146553 frac of ind between j and p
theta_pi - 0.997281 0.262074 0.80581 0.126729 0.76669 0.104596 frac of ind that is adult
L_bi cm 2.91606 0.701088 0.778122 0.249861 0.750297 0.243597 mean structural length of post-natals
L2_bi cm^2 8.75517 1.70544 1.06091 0.450522 1.01378 0.484109 mean squared structural length of post-natals
L3_bi cm^3 26.5622 4.96994 2.01833 2.20799 1.96587 3.12369 mean cubed structural length of post-natals
Ww_bi g 42.5436 7.96015 5.60061 6.1269 7.76142 12.3326 mean wet weight of post-natals
L_pi cm 2.92067 1.39632 0.856099 0.588547 0.842794 0.617165 mean structural length of adults
L2_pi cm^2 8.76944 3.6192 1.18088 1.36209 1.15642 1.62273 mean squared structural length of adults
L3_pi cm^3 26.6055 10.5702 2.24848 6.75006 2.24518 10.592 mean cubed structural length of adults
Ww_pi g 42.613 16.9299 6.23926 18.7306 8.8642 41.8182 mean wet weight of adults
R 1/d 0.375116 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.303533 0.059088 0.108983 0.0461466 0.173121 0.0824486 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 0.20681 0.0406024 0.162564 0.0359116 yield of living structure on food
Y_VX_d mol/mol 0.00977283 0.0266091 2.08021e-06 0.0818102 9.07795e-07 0.0721599 yield of dead structure on food
Y_EX mol/mol 0 0 0.367062 0.0720642 0.479253 0.105871 yield of living reserve on food
Y_EX_d mol/mol 0.00587992 0.0160096 3.69211e-06 0.145203 2.67626e-06 0.212734 yield of dead reserve on food
Y_CX mol/mol 0.874972 0.848006 0.316748 0.550945 0.248805 0.463949 yield of CO2 on food
Y_HX mol/mol 0.629494 0.610093 0.227882 0.396374 0.179002 0.333785 yield of H2O on food
Y_OX mol/mol -0.951532 -0.922207 -0.344463 -0.599153 -0.270576 -0.504544 yield of O2 on food
Y_NX mol/mol 0.131246 0.127201 0.0475122 0.0826418 0.0373208 0.0695923 yield of N-waste on food
mu_TX J/mol 464380 450390 167208 291797 127627 243232 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