Silurus meridionalis: 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: 2025/07/01
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.446226 0.452082 0.726041 0.726041 1 1 scaled functional response
r 1/d 0 0 0.00353539 0.000615378 0.00476974 0.000824066 spec pop growth rate
t2 d NaN NaN 196.059 1126.38 145.322 841.131 population doubling time
a_b d 11.0498 11.0299 10.3852 10.3852 10.0345 10.0345 age at birth
t_j d 0.00391295 0.00388124 0.00297306 0.00297306 0.00256463 0.00256463 time since birth at metam
t_p d 7952.42 7057.41 2412.14 2412.14 1795.14 1795.14 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.999492 1 0.999492 1 0.999492 survival probability at metam
S_p - 0.999999 0.456697 0.999999 0.395404 0.999999 0.362208 survival probability at puberty
theta_0b - 0.001392 0.310131 0.035957 0.377406 0.0466144 0.407524 frac of ind that is embryo
theta_bj - 4.94475e-07 0.000109443 1.01357e-05 0.000107994 1.16639e-05 0.000104 frac of ind between b and j
theta_jp - 0.00139586 0.21004 0.0347527 0.236426 0.0445506 0.243927 frac of ind between j and p
theta_pi - 0.997212 0.479719 0.92928 0.38606 0.908823 0.348446 frac of ind that is adult
L_bi cm 5.19152 0.582245 1.17884 0.335559 1.06082 0.31953 mean structural length of post-natals
L2_bi cm^2 30.1024 1.86742 2.38632 0.535255 1.97823 0.475308 mean squared structural length of post-natals
L3_bi cm^3 182.37 9.80751 6.63317 2.28546 5.20578 2.07868 mean cubed structural length of post-natals
Ww_bi g 323.656 17.5053 14.9945 5.16635 14.2439 5.68761 mean wet weight of post-natals
L_pi cm 5.19866 0.797048 1.21926 0.482939 1.10789 0.475421 mean structural length of adults
L2_pi cm^2 30.1445 2.68174 2.47522 0.857567 2.07472 0.801462 mean squared structural length of adults
L3_pi cm^3 182.625 14.1035 6.88127 3.68518 5.46098 3.53378 mean cubed structural length of adults
Ww_pi g 324.109 25.1732 15.5553 8.33046 14.9422 9.66901 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.792784 0.0498264 0.102256 0.0229362 0.116755 0.0280527 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 0.229335 0.061319 0.212669 0.0610625 yield of living structure on food
Y_VX_d mol/mol 0.046174 0.0937755 0.000279841 0.12889 0.00012805 0.123904 yield of dead structure on food
Y_EX mol/mol 0 0 0.289083 0.0772943 0.36923 0.106015 yield of living reserve on food
Y_EX_d mol/mol 0.0357721 0.0736034 0.000352748 0.162469 0.000222316 0.215118 yield of dead reserve on food
Y_CX mol/mol 0.808679 0.723246 0.371575 0.460652 0.308376 0.384525 yield of CO2 on food
Y_HX mol/mol 0.5818 0.520335 0.267328 0.331414 0.221859 0.276645 yield of H2O on food
Y_OX mol/mol -0.879438 -0.78653 -0.404088 -0.500959 -0.335359 -0.418171 yield of O2 on food
Y_NX mol/mol 0.121302 0.108487 0.0557363 0.0690978 0.0462564 0.0576788 yield of N-waste on food
mu_TX J/mol 429738 385130 198503 245525 162903 203394 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