Ictalurus furcatus: 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: 2023/08/22
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.227879 0.246206 0.623103 0.623103 1 1 scaled functional response
r 1/d 0 0 0.00359756 0.000496979 0.00572247 0.000757767 spec pop growth rate
t2 d NaN NaN 192.671 1394.72 121.127 914.724 population doubling time
a_b d 89.6389 88.4943 75.6819 75.6819 70.0245 70.0245 age at birth
t_j d 1914.41 1744.08 663.853 663.853 441.64 441.64 time since birth at metam
t_p d 25817.6 11265.2 2414.38 2414.38 1523.1 1523.1 time since birth at puberty
S_b - 0.999997 0.999997 0.999998 0.999998 0.999998 0.999998 survival probability at birth
S_j - 0.999982 0.737582 0.99999 0.49897 0.999992 0.37897 survival probability at metam
S_p - 0.998603 0.00247979 0.999853 0.00224697 0.999935 0.00219929 survival probability at puberty
theta_0b - 0.00537331 0.231042 0.238141 0.426572 0.329972 0.511607 frac of ind that is embryo
theta_bj - 0.0053885 0.199724 0.1816 0.297127 0.22122 0.312163 frac of ind between b and j
theta_jp - 0.109625 0.559435 0.510342 0.273952 0.395293 0.174357 frac of ind between j and p
theta_pi - 0.879613 0.00979892 0.0699169 0.00234965 0.0535151 0.00187238 frac of ind that is adult
L_bi cm 6.0141 0.455631 0.861853 0.399758 0.817109 0.399078 mean structural length of post-natals
L2_bi cm^2 41.5905 0.649488 1.81995 0.298715 1.63951 0.297424 mean squared structural length of post-natals
L3_bi cm^3 298.832 3.51554 7.33967 1.32542 6.58987 1.48885 mean cubed structural length of post-natals
Ww_bi g 326.543 3.86776 9.20069 1.66149 9.27145 2.09469 mean wet weight of post-natals
L_pi cm 6.69079 5.60564 3.60154 4.59881 3.60191 4.60526 mean structural length of adults
L2_pi cm^2 46.908 36.9679 15.1137 30.9692 15.2117 32.639 mean squared structural length of adults
L3_pi cm^3 337.748 267.344 74.8134 298.84 76.7401 361.885 mean cubed structural length of adults
Ww_pi g 369.067 294.128 93.7827 374.613 107.967 509.144 mean wet weight of adults
R 1/d 0 0 0 2.84534 0 8.89899 mean reproduction rate of adults
J_X g/d 1.22647 0.0168839 0.135954 0.0148288 0.195299 0.0237109 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 0.252485 0.0577472 0.251018 0.0618557 yield of living structure on food
Y_VX_d mol/mol 0.0291802 0.080678 5.28194e-05 0.167651 1.89532e-05 0.171922 yield of dead structure on food
Y_EX mol/mol 0 0 0.103415 0.0236527 0.165003 0.0406601 yield of living reserve on food
Y_EX_d mol/mol 0.00437101 0.013057 2.16343e-05 0.0686681 1.24587e-05 0.113011 yield of dead reserve on food
Y_CX mol/mol 0.857074 0.79689 0.53465 0.572906 0.474573 0.503176 yield of CO2 on food
Y_HX mol/mol 0.616768 0.573747 0.386757 0.414054 0.344282 0.364665 yield of H2O on food
Y_OX mol/mol -0.932068 -0.866618 -0.581432 -0.623035 -0.516098 -0.547204 yield of O2 on food
Y_NX mol/mol 0.128561 0.119534 0.0801975 0.0859359 0.0711859 0.0754764 yield of N-waste on food
mu_TX J/mol 455506 424980 289341 309025 256223 271092 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