Clarias anguillaris: Population traits

at T = 29.5 °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: 2024/07/23
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.0709512 0.0709512 0.535476 0.535476 1 1 scaled functional response
r 1/d 0 0 0.115396 0.0192692 0.115699 0.0163881 spec pop growth rate
t2 d NaN NaN 6.0067 35.9718 5.99095 42.2958 population doubling time
a_b d 1.86468 1.86468 1.66598 1.66598 1.64829 1.64829 age at birth
t_j d 0.0230239 0.0230239 0.0143072 0.0143072 0.0136979 0.0136979 time since birth at metam
t_p d 254.857 254.857 48.2469 48.2469 44.3703 44.3703 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.977461 1 0.976452 1 0.976389 survival probability at metam
S_p - 1 0.385373 1 0.266933 1 0.257323 survival probability at puberty
theta_0b - 0.000335327 0.0498013 0.174655 0.509713 0.17338 0.516277 frac of ind that is embryo
theta_bj - 4.14781e-06 0.000609048 0.00136151 0.00426372 0.00130902 0.00418989 frac of ind between b and j
theta_jp - 0.000331779 0.0301238 0.142989 0.250856 0.142212 0.250816 frac of ind between j and p
theta_pi - 0.999329 0.919466 0.680995 0.235168 0.683099 0.228717 frac of ind that is adult
L_bi cm 0.455516 0.425467 0.199074 0.118083 0.210194 0.122919 mean structural length of post-natals
L2_bi cm^2 0.20807 0.191772 0.0639658 0.0397693 0.0730985 0.048707 mean squared structural length of post-natals
L3_bi cm^3 0.095144 0.0873551 0.028998 0.0328798 0.0365845 0.0533132 mean cubed structural length of post-natals
Ww_bi g 0.264332 0.242692 0.418165 0.474142 0.95349 1.38949 mean wet weight of post-natals
L_pi cm 0.455654 0.43821 0.230382 0.193821 0.243429 0.205674 mean structural length of adults
L2_pi cm^2 0.208139 0.198115 0.0769461 0.0802931 0.0878679 0.100267 mean squared structural length of adults
L3_pi cm^3 0.0951759 0.0902718 0.035113 0.0684134 0.0442382 0.11261 mean cubed structural length of adults
Ww_pi g 0.264421 0.250796 0.506346 0.986554 1.15297 2.93492 mean wet weight of adults
R 1/d 7.78163 6.69759 0 1.25381 0.246912 2.10918 mean reproduction rate of adults
J_X g/d 0.0319446 0.0294423 0.074142 0.046096 0.158232 0.105433 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 0.0451329 0.0137445 0.0267505 0.00828677 yield of living structure on food
Y_VX_d mol/mol 0.00054295 0.00153147 1.20412e-09 0.0263156 7.08768e-10 0.0160389 yield of dead structure on food
Y_EX mol/mol 0 0 0.605705 0.184458 0.67044 0.207689 yield of living reserve on food
Y_EX_d mol/mol 0.00096549 0.0027233 1.61599e-08 0.353168 1.77636e-08 0.401978 yield of dead reserve on food
Y_CX mol/mol 0.889117 0.88637 0.239787 0.312939 0.193434 0.256632 yield of CO2 on food
Y_HX mol/mol 0.63967 0.637694 0.172514 0.225142 0.139165 0.184633 yield of H2O on food
Y_OX mol/mol -0.966914 -0.963928 -0.260769 -0.340321 -0.21036 -0.279088 yield of O2 on food
Y_NX mol/mol 0.133367 0.132956 0.0359681 0.0469408 0.0290152 0.0384949 yield of N-waste on food
mu_TX J/mol 471698 470236 116796 156776 90382.7 125020 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