Ameiurus nebulosus: Population traits

at T = 22 °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 - 0.388381 0.75745 0.878725 0.878725 1 1 scaled functional response
r 1/d 0 0 0.00830438 7.8279e-05 0.00968681 0.0001437 spec pop growth rate
t2 d NaN NaN 83.4676 8854.83 71.5557 4823.58 population doubling time
a_b d 35.3238 31.5336 30.7445 30.7445 30.0764 30.0764 age at birth
t_j d 1168.66 470.454 398.955 398.955 348.207 348.207 time since birth at metam
t_p d 5337.68 862.49 718.45 718.45 619.825 619.825 time since birth at puberty
S_b - 0.999995 0.999996 0.999996 0.999996 0.999997 0.999997 survival probability at birth
S_j - 0.999966 0.617465 0.999979 0.573717 0.999981 0.535882 survival probability at metam
S_p - 0.993297 0.000751475 0.99943 0.00073896 0.999575 0.000729861 survival probability at puberty
theta_0b - 0.00731463 0.324186 0.225137 0.357463 0.252557 0.385443 frac of ind that is embryo
theta_bj - 0.00733597 0.257628 0.174621 0.27401 0.188929 0.285945 frac of ind between b and j
theta_jp - 0.234681 0.415324 0.572055 0.366238 0.532902 0.326676 frac of ind between j and p
theta_pi - 0.750669 0.0028626 0.028187 0.00228911 0.0256128 0.00193514 frac of ind that is adult
L_bi cm 3.20438 0.30287 0.527856 0.299773 0.519639 0.297806 mean structural length of post-natals
L2_bi cm^2 12.5214 0.2819 0.715876 0.278284 0.695451 0.27755 mean squared structural length of post-natals
L3_bi cm^3 51.2848 1.50803 2.11258 1.67624 2.07511 1.85628 mean cubed structural length of post-natals
Ww_bi g 55.9482 1.77547 2.54722 2.0211 2.56095 2.29089 mean wet weight of post-natals
L_pi cm 3.99488 6.15306 3.33763 6.48938 3.36413 6.73208 mean structural length of adults
L2_pi cm^2 16.2982 44.1823 12.3305 51.5979 12.5936 58.1892 mean squared structural length of adults
L3_pi cm^3 67.4767 345.008 50.7225 457.495 52.8805 574.835 mean cubed structural length of adults
Ww_pi g 73.6124 406.192 61.1579 551.618 65.2614 709.42 mean wet weight of adults
R 1/d 0 7.29136 0.761874 10.4038 1.14055 13.6318 mean reproduction rate of adults
J_X g/d 0.442167 0.0151773 0.0487671 0.0174031 0.0538277 0.019814 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 0.359744 0.00753968 0.373436 0.0134626 yield of living structure on food
Y_VX_d mol/mol 0.0389027 0.117711 0.000195802 0.121676 0.000141217 0.124837 yield of dead structure on food
Y_EX mol/mol 0 0 0.074012 0.00155118 0.0874321 0.00315198 yield of living reserve on food
Y_EX_d mol/mol 0.00353746 0.020875 4.02834e-05 0.0250329 3.3063e-05 0.0292279 yield of dead reserve on food
Y_CX mol/mol 0.848185 0.752039 0.456632 0.734826 0.429583 0.719946 yield of CO2 on food
Y_HX mol/mol 0.610222 0.54105 0.328522 0.528666 0.309061 0.517961 yield of H2O on food
Y_OX mol/mol -0.922401 -0.817843 -0.496588 -0.799123 -0.467171 -0.782941 yield of O2 on food
Y_NX mol/mol 0.127228 0.112806 0.0684949 0.110224 0.0644374 0.107992 yield of N-waste on food
mu_TX J/mol 451103 402163 251801 393271 237606 385541 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