Ameiurus natalis: 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 - 0.208913 0.310924 0.655462 0.655462 1 1 scaled functional response
r 1/d 0 0 0.0126589 0.000502871 0.0185281 0.000755241 spec pop growth rate
t2 d NaN NaN 54.7558 1378.38 37.4107 917.782 population doubling time
a_b d 37.9515 35.4706 31.307 31.307 29.3086 29.3086 age at birth
t_j d 941.273 483.175 205.974 205.974 142.992 142.992 time since birth at metam
t_p d 3762.4 908.337 355.159 355.159 242.943 242.943 time since birth at puberty
S_b - 0.999996 0.999997 0.999998 0.999998 0.999998 0.999998 survival probability at birth
S_j - 0.999974 0.672078 0.999988 0.429314 0.99999 0.31718 survival probability at metam
S_p - 0.995673 0.00445541 0.999876 0.00383659 0.999942 0.00368932 survival probability at puberty
theta_0b - 0.00847762 0.278038 0.327051 0.461889 0.418898 0.5399 frac of ind that is embryo
theta_bj - 0.00849668 0.22981 0.2202 0.307479 0.243495 0.314878 frac of ind between b and j
theta_jp - 0.201874 0.467842 0.403144 0.223208 0.296528 0.140112 frac of ind between j and p
theta_pi - 0.781151 0.0243093 0.0496053 0.00742453 0.0410786 0.00510951 frac of ind that is adult
L_bi cm 1.53216 0.35258 0.490179 0.32114 0.491081 0.315704 mean structural length of post-natals
L2_bi cm^2 2.66852 0.318854 0.48123 0.313736 0.496606 0.330019 mean squared structural length of post-natals
L3_bi cm^3 4.83239 0.684093 0.862223 1.24144 0.956043 1.81262 mean cubed structural length of post-natals
Ww_bi g 5.4272 0.809413 1.1952 1.72087 1.51933 2.88058 mean wet weight of post-natals
L_pi cm 1.80817 2.56295 1.95012 3.55921 2.01674 3.79482 mean structural length of adults
L2_pi cm^2 3.3011 6.91671 4.22187 16.3629 4.59094 21.72 mean squared structural length of adults
L3_pi cm^3 6.07061 19.2805 10.2228 87.3655 11.9529 159.925 mean cubed structural length of adults
Ww_pi g 6.81782 22.8125 14.1707 121.105 18.9953 254.151 mean wet weight of adults
R 1/d 0 0.66509 0.723604 4.15434 1.09996 7.49584 mean reproduction rate of adults
J_X g/d 0.0624085 0.00979681 0.0330644 0.0210659 0.0528779 0.03453 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 0.330107 0.0296349 0.334991 0.0396456 yield of living structure on food
Y_VX_d mol/mol 0.0247256 0.0831207 4.91753e-05 0.11027 2.04648e-05 0.118505 yield of dead structure on food
Y_EX mol/mol 0 0 0.127483 0.0114446 0.197371 0.0233585 yield of living reserve on food
Y_EX_d mol/mol 0.00304342 0.015227 1.89908e-05 0.0425847 1.20575e-05 0.0698212 yield of dead reserve on food
Y_CX mol/mol 0.862856 0.792277 0.432967 0.696691 0.358231 0.639294 yield of CO2 on food
Y_HX mol/mol 0.620777 0.57 0.311496 0.50123 0.257727 0.459937 yield of H2O on food
Y_OX mol/mol -0.938356 -0.861602 -0.470852 -0.757651 -0.389576 -0.695233 yield of O2 on food
Y_NX mol/mol 0.129428 0.118842 0.0649451 0.104504 0.0537346 0.0958942 yield of N-waste on food
mu_TX J/mol 458463 422565 237296 372831 196434 342176 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