Wallago attu: Population traits

at T = 23.5 °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: 2024/09/02
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.286039 0.305142 0.652571 0.652571 1 1 scaled functional response
r 1/d 0 0 0.0102347 0.000897258 0.0132517 0.00108388 spec pop growth rate
t2 d NaN NaN 67.7253 772.517 52.3065 639.508 population doubling time
a_b d 8.5461 8.46677 7.69462 7.69462 7.38966 7.38966 age at birth
t_j d 13.7674 13.1866 8.6052 8.6052 7.2242 7.2242 time since birth at metam
t_p d 3046.92 2226.28 768 768 585.717 585.717 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 0.999999 0.260261 0.999999 0.1529 1 0.122302 survival probability at metam
S_p - 0.999999 0.122893 0.999999 0.122431 1 0.11847 survival probability at puberty
theta_0b - 0.00181928 0.507763 0.0755998 0.603699 0.0930951 0.636417 frac of ind that is embryo
theta_bj - 0.00182326 0.279649 0.0700091 0.271256 0.0827964 0.258769 frac of ind between b and j
theta_jp - 0.00111393 0.0519303 0.00792601 0.00970949 0.00180512 0.00169902 frac of ind between j and p
theta_pi - 0.995244 0.160657 0.846465 0.115336 0.822303 0.103115 frac of ind that is adult
L_bi cm 6.72405 0.562829 1.44763 0.331401 1.37437 0.322352 mean structural length of post-natals
L2_bi cm^2 49.0297 2.47642 3.75669 0.92618 3.46721 0.930207 mean squared structural length of post-natals
L3_bi cm^3 368.627 17.6693 13.6691 8.04733 12.5639 9.67936 mean cubed structural length of post-natals
Ww_bi g 593.972 29.1921 32.7326 19.2705 39.4148 30.3657 mean wet weight of post-natals
L_pi cm 6.7435 1.47679 1.56855 0.846282 1.50183 0.832167 mean structural length of adults
L2_pi cm^2 49.1743 7.55664 4.10084 3.14598 3.82196 3.24178 mean squared structural length of adults
L3_pi cm^3 369.715 54.1327 14.9274 27.6464 13.8562 34.1245 mean cubed structural length of adults
Ww_pi g 595.725 89.4346 35.7457 66.2034 43.4691 107.054 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 3.32984 0.179222 0.582838 0.143198 0.824595 0.220468 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 0.24003 0.0504234 0.201908 0.0475862 yield of living structure on food
Y_VX_d mol/mol 0.0332248 0.0750329 5.50402e-05 0.109309 2.54341e-05 0.0999217 yield of dead structure on food
Y_EX mol/mol 0 0 0.334757 0.0703229 0.431508 0.101699 yield of living reserve on food
Y_EX_d mol/mol 0.0203106 0.0489316 7.67616e-05 0.152448 5.43567e-05 0.213548 yield of dead reserve on food
Y_CX mol/mol 0.83709 0.76666 0.315706 0.508122 0.257129 0.42787 yield of CO2 on food
Y_HX mol/mol 0.602239 0.55157 0.227133 0.365565 0.18499 0.307828 yield of H2O on food
Y_OX mol/mol -0.910335 -0.833743 -0.34333 -0.552582 -0.279628 -0.465308 yield of O2 on food
Y_NX mol/mol 0.125563 0.114999 0.0473559 0.0762182 0.0385694 0.0641804 yield of N-waste on food
mu_TX J/mol 444717 408071 168299 270110 134174 225360 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