Tachysurus vachellii: Population traits

at T = 18 °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_min f_max date: 2025/04/15
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.290327 0.290327 0.290327 0.290327 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00638027 0.00638027 0.00159363 0.00159363 spec pop growth rate
t2 d NaN NaN NaN NaN 108.639 108.639 434.948 434.948 population doubling time
a_b d 46.7163 46.4673 46.7163 46.4673 45.9468 45.871 45.9468 45.871 age at birth
t_j d 6.69431 6.52992 6.69431 6.52992 6.20136 6.15528 6.20136 6.15528 time since birth at metam
t_p d 3073.56 1646.49 3073.56 1646.49 1023.01 975.05 1023.01 975.05 time since birth at puberty
S_b - 0.999999 0.999999 0.999999 0.999999 0.999999 0.999999 0.999999 0.999999 survival probability at birth
S_j - 0.999998 0.999999 0.682633 0.680463 0.999999 0.999999 0.676222 0.675637 survival probability at metam
S_p - 0.999994 0.999996 0.225866 0.217984 0.999995 0.999996 0.202312 0.200124 survival probability at puberty
theta_0b - 0.0123668 0.0109173 0.453407 0.47914 0.254057 0.253669 0.595917 0.599043 frac of ind that is embryo
theta_bj - 0.00177282 0.00153499 0.054029 0.0559155 0.0289417 0.0287448 0.063882 0.0638336 frac of ind between b and j
theta_jp - 0.0105988 0.00938809 0.151752 0.157992 0.16062 0.16064 0.177173 0.17735 frac of ind between j and p
theta_pi - 0.975262 0.97816 0.340812 0.306952 0.556381 0.556946 0.163028 0.159773 frac of ind that is adult
L_bi cm 0.406698 0.515798 0.175633 0.183321 0.142137 0.145025 0.0884549 0.0883502 mean structural length of post-natals
L2_bi cm^2 0.177505 0.288669 0.0573704 0.0724076 0.0309416 0.0326708 0.0168765 0.01718 mean squared structural length of post-natals
L3_bi cm^3 0.0798225 0.16715 0.0233298 0.0373438 0.00926607 0.010256 0.0066761 0.00721984 mean cubed structural length of post-natals
Ww_bi g 3.00133 8.14927 0.877201 1.82067 1.17739 1.69721 0.848299 1.19477 mean wet weight of post-natals
L_pi cm 0.411265 0.52103 0.255697 0.280818 0.174297 0.178041 0.154149 0.155086 mean structural length of adults
L2_pi cm^2 0.179728 0.291867 0.0908469 0.121497 0.0406734 0.0429649 0.0388293 0.040032 mean squared structural length of adults
L3_pi cm^3 0.0808336 0.169015 0.037362 0.0633032 0.0123812 0.0137011 0.0164027 0.0179693 mean cubed structural length of adults
Ww_pi g 3.03935 8.2402 1.40481 3.0863 1.57321 2.26733 2.08421 2.97363 mean wet weight of adults
R 1/d 0 4.12501 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.0201129 0.0427225 0.00649981 0.0107151 0.0121129 0.0166926 0.00660285 0.00877263 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 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.00488075 0.00392008 0.00161131 0.00131155 yield of living structure on food
Y_VX_d mol/mol 0.0014813 0.0013523 0.0032724 0.0029084 3.84284e-06 2.36719e-06 0.00306502 0.00249025 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.615292 0.644793 0.20313 0.21573 yield of living reserve on food
Y_EX_d mol/mol 0.0542155 0.064578 0.11977 0.138888 0.000484448 0.000389367 0.386392 0.409608 yield of dead reserve on food
Y_CX mol/mol 0.834928 0.824695 0.767582 0.748828 0.269964 0.241521 0.296427 0.261485 yield of CO2 on food
Y_HX mol/mol 0.600684 0.593322 0.552233 0.53874 0.194224 0.173761 0.213263 0.188124 yield of H2O on food
Y_OX mol/mol -0.907984 -0.896856 -0.834746 -0.814351 -0.293586 -0.262654 -0.322364 -0.284365 yield of O2 on food
Y_NX mol/mol 0.125239 0.123704 0.115137 0.112324 0.0404946 0.0362281 0.044464 0.0392227 yield of N-waste on food
mu_TX J/mol 441941 436306 404990 394657 131381 115689 145925 126663 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female differ.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer