Pangasianodon hypophthalmus: Population traits

at T = 24 °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: 2023/03/18
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.326698 0.326791 0.663395 0.663395 1 1 scaled functional response
r 1/d 0 0 0.022277 0.00588732 0.0315908 0.00810307 spec pop growth rate
t2 d NaN NaN 31.115 117.736 21.9415 85.5413 population doubling time
a_b d 1.65936 1.65928 1.49215 1.49215 1.41586 1.41586 age at birth
t_j d 1.39232 1.39202 0.851982 0.851982 0.676206 0.676206 time since birth at metam
t_p d 3361.67 3328.38 553.395 553.395 389.665 389.665 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.435506 1 0.434885 1 0.434698 survival probability at metam
S_p - 1 0.392631 1 0.297795 1 0.255795 survival probability at puberty
theta_0b - 0.000147279 0.311372 0.032534 0.448286 0.0435374 0.49488 frac of ind that is embryo
theta_bj - 0.000124239 0.178341 0.0181889 0.173468 0.0202151 0.159879 frac of ind between b and j
theta_jp - 2.38282e-05 0.02085 0.0134416 0.0687937 0.021623 0.085436 frac of ind between j and p
theta_pi - 0.999705 0.489437 0.935835 0.309453 0.914624 0.259805 frac of ind that is adult
L_bi cm 7.42192 1.20833 1.09157 0.220183 1.00188 0.21417 mean structural length of post-natals
L2_bi cm^2 56.3189 7.64709 2.13358 0.231437 1.83196 0.21338 mean squared structural length of post-natals
L3_bi cm^3 430.671 56.7627 5.88426 0.779329 4.83202 0.717359 mean cubed structural length of post-natals
Ww_bi g 771.949 101.756 15.3528 2.03337 16.5525 2.45737 mean wet weight of post-natals
L_pi cm 7.42301 1.67313 1.12598 0.337668 1.04418 0.348057 mean structural length of adults
L2_pi cm^2 56.3273 10.7575 2.20551 0.4087 1.91548 0.409785 mean squared structural length of adults
L3_pi cm^3 430.735 79.864 6.08313 1.38916 5.05303 1.39432 mean cubed structural length of adults
Ww_pi g 772.064 143.169 15.8716 3.62448 17.3096 4.77637 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 11.164 1.51627 0.859221 0.093132 1.11225 0.129444 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 0.152561 0.0492651 0.137242 0.0449061 yield of living structure on food
Y_VX_d mol/mol 0.00375314 0.0104044 2.01033e-07 0.0972365 8.31066e-08 0.0886301 yield of dead structure on food
Y_EX mol/mol 0 0 0.245489 0.0792736 0.332893 0.108924 yield of living reserve on food
Y_EX_d mol/mol 0.00297412 0.00824715 3.23487e-07 0.156466 2.01582e-07 0.21498 yield of dead reserve on food
Y_CX mol/mol 0.883898 0.871973 0.492575 0.508384 0.420489 0.433185 yield of CO2 on food
Y_HX mol/mol 0.635915 0.627336 0.35438 0.365754 0.302518 0.311653 yield of H2O on food
Y_OX mol/mol -0.961239 -0.948271 -0.535675 -0.552868 -0.457282 -0.471089 yield of O2 on food
Y_NX mol/mol 0.132585 0.130796 0.0738862 0.0762576 0.0630733 0.0649778 yield of N-waste on food
mu_TX J/mol 468988 462762 261200 269593 220787 227585 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