Gambusia affinis: Population traits

at T = 27.5 °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_min f_max date: 2024/01/08
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.269071 0.269071 0.297818 0.297818 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0301937 0.0301937 0.00548253 0.00548253 spec pop growth rate
t2 d NaN NaN NaN NaN 22.9567 22.9567 126.428 126.428 population doubling time
a_b d 9.76328 10.4769 9.60519 10.302 8.10661 8.55077 8.10661 8.55077 age at birth
t_j d 0.0701745 0.103229 0.0644446 0.0938793 0.0285588 0.0364348 0.0285588 0.0364348 time since birth at metam
t_p d 646.951 NaN 367.086 NaN 64.5285 93.0728 64.5285 93.0728 time since birth at puberty
S_b - 0.999999 0.999998 0.999999 0.999998 0.999999 0.999999 0.999999 0.999999 survival probability at birth
S_j - 0.999999 0.999998 0.995476 0.996636 0.999999 0.999999 0.994181 0.994446 survival probability at metam
S_p - 0.999993 0.999987 0.679436 0.803586 0.999997 0.999994 0.423447 0.496161 survival probability at puberty
theta_0b - 0.00830736 0.0104978 0.0518517 0.0309845 0.217069 0.227489 0.363433 0.302534 frac of ind that is embryo
theta_bj - 5.9766e-05 0.000103567 0.000347407 0.000282209 0.000674865 0.000849459 0.0012488 0.00125607 frac of ind between b and j
theta_jp - 0.00825537 0.0104075 0.0422281 0.0274371 0.16932 0.174948 0.224473 0.201531 frac of ind between j and p
theta_pi - 0.983378 0.978991 0.905573 0.941296 0.612936 0.596714 0.410845 0.494679 frac of ind that is adult
L_bi cm 0.270176 0.177827 0.27999 0.191561 0.312349 0.254043 0.318889 0.287971 mean structural length of post-natals
L2_bi cm^2 0.0738159 0.0317857 0.0815992 0.0371885 0.123406 0.0766482 0.157397 0.111561 mean squared structural length of post-natals
L3_bi cm^3 0.020308 0.00570374 0.0243225 0.00728854 0.0588244 0.0267727 0.105371 0.0532362 mean cubed structural length of post-natals
Ww_bi g 0.0277043 0.0070561 0.0341273 0.00920128 0.138447 0.0503642 0.247998 0.100147 mean wet weight of post-natals
L_pi cm 0.271437 0.178504 0.287422 0.193786 0.35967 0.289188 0.418022 0.351561 mean structural length of adults
L2_pi cm^2 0.0743158 0.0319853 0.0847347 0.0378871 0.151978 0.0938264 0.233178 0.149985 mean squared structural length of adults
L3_pi cm^3 0.0204646 0.00574871 0.0253801 0.00745709 0.0743138 0.0339176 0.161737 0.0740688 mean cubed structural length of adults
Ww_pi g 0.0279179 0.00711173 0.0356112 0.00941407 0.174902 0.063805 0.380658 0.139337 mean wet weight of adults
R 1/d 0.00208914 0 0.0134772 0 0.132704 0.0534974 0.253084 0.119517 mean reproduction rate of adults
J_X g/d 0.00174558 0.000489118 0.00213595 0.000633475 0.0108512 0.00438723 0.01384 0.00638559 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 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.16368 0.184255 0.0417413 0.0457074 yield of living structure on food
Y_VX_d mol/mol 0.010924 0.0126808 0.023236 0.0228956 3.10104e-05 5.37522e-05 0.0709661 0.0724283 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.221551 0.162361 0.0564995 0.0402764 yield of living reserve on food
Y_EX_d mol/mol 0.00397858 0.00300661 0.00936682 0.00600852 4.19745e-05 4.73654e-05 0.0960573 0.0638223 yield of dead reserve on food
Y_CX mol/mol 0.875722 0.874938 0.858022 0.861721 0.505321 0.543908 0.625361 0.668391 yield of CO2 on food
Y_HX mol/mol 0.630034 0.629469 0.617299 0.61996 0.363551 0.391311 0.449912 0.48087 yield of H2O on food
Y_OX mol/mol -0.952348 -0.951495 -0.933099 -0.937121 -0.549537 -0.5915 -0.68008 -0.726875 yield of O2 on food
Y_NX mol/mol 0.131358 0.131241 0.128703 0.129258 0.0757982 0.0815862 0.0938041 0.100259 yield of N-waste on food
mu_TX J/mol 464850 464506 455730 457748 268769 291021 332240 356178 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female differ.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer