Malapterurus electricus: Population traits

at T = 28 °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: 2024/01/08
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.129484 0.132054 0.566027 0.566027 1 1 scaled functional response
r 1/d 0 0 0.0189897 0.0027582 0.0252012 0.00324015 spec pop growth rate
t2 d NaN NaN 36.5013 251.304 27.5045 213.925 population doubling time
a_b d 24.479 24.3969 19.4857 19.4857 18.2703 18.2703 age at birth
t_j d 63.4955 62.212 19.3286 19.3286 14.4836 14.4836 time since birth at metam
t_p d 1355.2 1250.15 191.754 191.754 138.255 138.255 time since birth at puberty
S_b - 0.999996 0.999996 0.999998 0.999998 0.999998 0.999998 survival probability at birth
S_j - 0.999979 0.55211 0.999991 0.209998 0.999994 0.20898 survival probability at metam
S_p - 0.99993 0.219866 0.999991 0.208233 0.999993 0.161886 survival probability at puberty
theta_0b - 0.00781787 0.228336 0.309145 0.558388 0.368866 0.613903 frac of ind that is embryo
theta_bj - 0.00783009 0.172435 0.212253 0.267756 0.193009 0.234715 frac of ind between b and j
theta_jp - 0.0124798 0.12791 0.00142587 0.000869366 0.0398777 0.0215617 frac of ind between j and p
theta_pi - 0.971872 0.471318 0.477176 0.172986 0.398247 0.12982 frac of ind that is adult
L_bi cm 2.75602 1.49821 1.21893 0.958645 1.24641 0.975674 mean structural length of post-natals
L2_bi cm^2 8.06356 3.49693 2.17932 2.12142 2.33067 2.4144 mean squared structural length of post-natals
L3_bi cm^3 24.2298 9.77709 5.32718 9.98189 6.10062 14.3859 mean cubed structural length of post-natals
Ww_bi g 30.4787 12.3487 11.333 21.2354 18.2516 43.0391 mean wet weight of post-natals
L_pi cm 2.80299 2.14855 1.53756 1.70014 1.65879 1.91457 mean structural length of adults
L2_pi cm^2 8.22656 5.57698 3.03727 5.04839 3.51611 6.67027 mean squared structural length of adults
L3_pi cm^3 24.7332 15.9337 7.65008 25.2978 9.56514 42.5114 mean cubed structural length of adults
Ww_pi g 31.1119 20.1246 16.2747 53.8183 28.6166 127.184 mean wet weight of adults
R 1/d 0.00183456 0 0.0119766 0.253409 0.120172 0.515616 mean reproduction rate of adults
J_X g/d 0.331395 0.145774 0.394894 0.380983 0.747675 0.768724 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 0.256173 0.0722659 0.205628 0.060636 yield of living structure on food
Y_VX_d mol/mol 0.0314878 0.07241 3.52229e-05 0.141419 1.49762e-05 0.119007 yield of dead structure on food
Y_EX mol/mol 0 0 0.288808 0.081472 0.409563 0.120773 yield of living reserve on food
Y_EX_d mol/mol 0.00812075 0.0190453 3.97101e-05 0.159434 2.98291e-05 0.237033 yield of dead reserve on food
Y_CX mol/mol 0.851016 0.79917 0.345569 0.436034 0.275389 0.353177 yield of CO2 on food
Y_HX mol/mol 0.612259 0.574958 0.248618 0.313702 0.198127 0.254091 yield of H2O on food
Y_OX mol/mol -0.92548 -0.869097 -0.375806 -0.474187 -0.299486 -0.38408 yield of O2 on food
Y_NX mol/mol 0.127652 0.119875 0.0518353 0.0654051 0.0413084 0.0529765 yield of N-waste on food
mu_TX J/mol 452290 425820 185530 233159 144403 185886 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