Atractosteus spatula: Population traits

at T = 20 °C with background hazards for embryo, juv, adult: 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 std f_minf f_max date: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.743481 0.746495 0.873247 0.873247 1 1 scaled functional response
r 1/d 0 0 0.00192672 0.000309224 0.00244481 0.000408566 spec pop growth rate
t2 d NaN NaN 359.755 2241.57 283.518 1696.54 population doubling time
a_b d 9.6107 9.6083 9.52099 9.52099 9.45389 9.45389 age at birth
t_p d 24696.8 12351 5008.12 5008.12 4024.77 4024.77 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.308919 1 0.300993 1 0.294946 survival probability at puberty
theta_0b - 0.000330188 0.422853 0.0181237 0.450996 0.0227821 0.458725 frac of ind that is embryo
theta_bp - 0.000331204 0.235646 0.0178478 0.247426 0.0223275 0.24892 fraction of individuals that is juvenile
theta_pi - 0.999339 0.341501 0.964029 0.301578 0.95489 0.292356 frac of ind that is adult
L_bi cm 20.2273 2.02932 4.58208 0.701046 3.93544 0.644976 mean structural length of post-natals
L2_bi cm^2 424.164 31.9863 34.9824 4.0316 26.6859 3.17563 mean squared structural length of post-natals
L3_bi cm^3 9008.93 649.261 348.653 58.9175 243.267 44.2794 mean cubed structural length of post-natals
Ww_bi g 40802.8 2949.88 1793.86 303.137 1398 254.464 mean wet weight of post-natals
L_pi cm 20.234 3.31983 4.66377 1.14492 4.02346 1.05726 mean structural length of adults
L2_pi cm^2 424.304 54.0398 35.6295 7.31762 27.3092 5.85675 mean squared structural length of adults
L3_pi cm^3 9011.92 1097.27 355.107 107.252 248.955 81.9762 mean cubed structural length of adults
Ww_pi g 40816.3 4985.38 1827.07 551.823 1430.69 471.1 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 79.195 5.99632 7.67151 0.884116 6.70156 0.797487 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 0.087565 0.0206067 0.0887467 0.0226851 yield of living structure on food
Y_VX_d mol/mol 0.00453044 0.0119601 4.23286e-06 0.0412079 2.2467e-06 0.0451269 yield of dead structure on food
Y_EX mol/mol 0 0 0.362967 0.0854171 0.421262 0.107681 yield of living reserve on food
Y_EX_d mol/mol 0.0159886 0.04238 1.75457e-05 0.170812 1.06646e-05 0.214208 yield of dead reserve on food
Y_CX mol/mol 0.870106 0.836285 0.440071 0.572582 0.380604 0.500924 yield of CO2 on food
Y_HX mol/mol 0.625993 0.601661 0.316607 0.411941 0.273823 0.360387 yield of H2O on food
Y_OX mol/mol -0.94624 -0.90946 -0.478577 -0.622682 -0.413906 -0.544755 yield of O2 on food
Y_NX mol/mol 0.130516 0.125443 0.0660106 0.0858872 0.0570905 0.0751386 yield of N-waste on food
mu_TX J/mol 461441 443211 229074 300667 196426 261555 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