Chrysichthys walkeri: Population traits

at T = 27 °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: 2025/02/18
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.257093 0.708107 0.854054 0.854054 1 1 scaled functional response
r 1/d 0 0 0.0160101 8.20508e-05 0.0179415 0.000142882 spec pop growth rate
t2 d NaN NaN 43.2944 8447.78 38.6337 4851.17 population doubling time
a_b d 8.17589 7.1019 6.95445 6.95445 6.8424 6.8424 age at birth
t_j d 7.87904 3.87142 3.51424 3.51424 3.26459 3.26459 time since birth at metam
t_p d 715.492 105.895 91.8585 91.8585 82.8166 82.8166 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.40893 1 0.406242 1 0.404412 survival probability at metam
S_p - 1 0.263532 1 0.243942 1 0.229653 survival probability at puberty
theta_0b - 0.00326333 0.300252 0.105329 0.357875 0.115489 0.40102 frac of ind that is embryo
theta_bj - 0.00314742 0.108242 0.0489485 0.119205 0.0503202 0.125838 frac of ind between b and j
theta_jp - 0.000118585 0.0448172 0.0453224 0.0556596 0.0518663 0.063786 frac of ind between j and p
theta_pi - 0.993471 0.546689 0.8004 0.46726 0.782325 0.409356 frac of ind that is adult
L_bi cm 0.444016 0.765208 0.528739 0.783386 0.538238 0.785064 mean structural length of post-natals
L2_bi cm^2 0.199502 0.865845 0.386756 1.03218 0.411887 1.16957 mean squared structural length of post-natals
L3_bi cm^3 0.0901323 1.06669 0.341615 1.51952 0.388408 1.99694 mean cubed structural length of post-natals
Ww_bi g 0.12786 2.29647 0.816637 3.63243 1.02079 5.24823 mean wet weight of post-natals
L_pi cm 0.44515 0.949247 0.577248 1.03551 0.592988 1.09726 mean structural length of adults
L2_pi cm^2 0.200125 1.10493 0.430658 1.41383 0.463782 1.70545 mean squared structural length of adults
L3_pi cm^3 0.0904254 1.36496 0.381648 2.08764 0.438902 2.92127 mean cubed structural length of adults
Ww_pi g 0.128276 2.93862 0.912335 4.99053 1.15349 7.67751 mean wet weight of adults
R 1/d 0.00115731 0.155992 0.0462796 0.222278 0.0518188 0.288966 mean reproduction rate of adults
J_X g/d 0.00627311 0.0769933 0.0415739 0.110944 0.0519195 0.147416 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 0.131556 0.00112379 0.13422 0.00193552 yield of living structure on food
Y_VX_d mol/mol 0.00611493 0.0163966 1.37505e-05 0.0170215 1.02806e-05 0.0174991 yield of dead structure on food
Y_EX mol/mol 0 0 0.182931 0.00156264 0.218528 0.00315129 yield of living reserve on food
Y_EX_d mol/mol 0.0025596 0.0189035 1.91203e-05 0.0236686 1.67383e-05 0.0284909 yield of dead reserve on food
Y_CX mol/mol 0.88195 0.855325 0.576105 0.847248 0.53785 0.839548 yield of CO2 on food
Y_HX mol/mol 0.634514 0.615359 0.414476 0.609548 0.386953 0.604008 yield of H2O on food
Y_OX mol/mol -0.959121 -0.930166 -0.626515 -0.921383 -0.584912 -0.913009 yield of O2 on food
Y_NX mol/mol 0.132293 0.128299 0.0864158 0.127087 0.0806776 0.125932 yield of N-waste on food
mu_TX J/mol 468035 453905 306093 449550 285185 445380 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