Ictiobus niger: 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_minf f_max date: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.32435 0.328877 0.664439 0.664439 1 1 scaled functional response
r 1/d 0 0 0.0059907 0.00111155 0.00812226 0.00143536 spec pop growth rate
t2 d NaN NaN 115.704 623.588 85.3392 482.908 population doubling time
a_b d 26.6167 26.5609 24.1322 24.1322 23.0701 23.0701 age at birth
t_j d 61.6779 61.0615 39.1856 39.1856 32.1683 32.1683 time since birth at metam
t_p d 9491.16 6836.09 1516.49 1516.49 1111.39 1111.39 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 0.999999 0.303764 0.999999 0.184353 0.999999 0.139386 survival probability at metam
S_p - 0.999997 0.0646238 0.999999 0.0642058 0.999999 0.0640802 survival probability at puberty
theta_0b - 0.00247087 0.49953 0.134457 0.610702 0.170709 0.648092 frac of ind that is embryo
theta_bj - 0.00247411 0.292274 0.116509 0.28822 0.141704 0.275581 frac of ind between b and j
theta_jp - 0.00325905 0.100389 0.0645933 0.0414507 0.0489797 0.0234624 frac of ind between j and p
theta_pi - 0.991796 0.107808 0.684441 0.0596274 0.638606 0.0528648 frac of ind that is adult
L_bi cm 5.69633 0.564047 1.0652 0.263353 0.986465 0.257926 mean structural length of post-natals
L2_bi cm^2 34.6748 2.07538 2.04306 0.303364 1.79242 0.288205 mean squared structural length of post-natals
L3_bi cm^3 216.291 11.9372 5.51626 1.24112 4.70384 1.25131 mean cubed structural length of post-natals
Ww_bi g 378.924 21.0383 14.0131 3.15284 15.6084 4.15212 mean wet weight of post-natals
L_pi cm 5.72819 2.06485 1.29897 0.880329 1.22684 0.858275 mean structural length of adults
L2_pi cm^2 34.8751 9.54517 2.5743 1.84555 2.3171 1.78026 mean squared structural length of adults
L3_pi cm^3 217.541 55.4001 6.97392 8.07984 6.1062 8.30587 mean cubed structural length of adults
Ww_pi g 381.115 97.6379 17.716 20.5254 20.2618 27.5608 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 1.42992 0.0864723 0.172808 0.0249999 0.228267 0.0357123 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 0.191231 0.0551827 0.167373 0.050293 yield of living structure on food
Y_VX_d mol/mol 0.0185493 0.0448896 1.73623e-05 0.113408 7.56609e-06 0.102979 yield of dead structure on food
Y_EX mol/mol 0 0 0.294557 0.0849991 0.388009 0.116591 yield of living reserve on food
Y_EX_d mol/mol 0.0139476 0.0342244 2.67435e-05 0.174685 1.75399e-05 0.238729 yield of dead reserve on food
Y_CX mol/mol 0.858128 0.811511 0.404792 0.46235 0.335217 0.382034 yield of CO2 on food
Y_HX mol/mol 0.617376 0.583837 0.291226 0.332635 0.24117 0.274852 yield of H2O on food
Y_OX mol/mol -0.933214 -0.882518 -0.440212 -0.502806 -0.364549 -0.415462 yield of O2 on food
Y_NX mol/mol 0.128719 0.121727 0.0607189 0.0693525 0.0502826 0.0573051 yield of N-waste on food
mu_TX J/mol 455554 431232 214855 245378 175395 200438 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