Pegusa lascaris: Population traits

at T = 18.1 °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: 2025/06/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.400648 NaN 0.41496 0.41496 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0132875 0.0132875 0.00285279 0.00285279 spec pop growth rate
t2 d NaN NaN NaN NaN 52.1653 52.1653 242.972 242.972 population doubling time
a_b d 2.33889 NaN 2.32617 NaN 2.01869 2.06317 2.01869 2.06317 age at birth
t_j d 1.82805 NaN 1.7657 NaN 0.757815 0.857112 0.757815 0.857112 time since birth at metam
t_p d 3307.64 NaN 2591.35 NaN 495.714 616.062 495.714 616.062 time since birth at puberty
S_b - 1 NaN 1 NaN 1 1 1 1 survival probability at birth
S_j - 1 NaN 0.863928 NaN 1 1 0.861913 0.862108 survival probability at metam
S_p - 1 NaN 0.837805 NaN 1 1 0.735749 0.753649 survival probability at puberty
theta_0b - 0.000636999 NaN 0.0528971 NaN 0.0262932 0.0268602 0.136538 0.125772 frac of ind that is embryo
theta_bj - 0.000502419 NaN 0.0376896 NaN 0.00975631 0.0110211 0.0477719 0.048703 frac of ind between b and j
theta_jp - 0.000140398 NaN 0.0109407 NaN 0.0160167 0.015297 0.0679197 0.059264 frac of ind between j and p
theta_pi - 0.99872 NaN 0.898473 NaN 0.947934 0.946822 0.74777 0.766261 frac of ind that is adult
L_bi cm 1.79522 NaN 0.628699 NaN 0.587585 0.530402 0.331445 0.321598 mean structural length of post-natals
L2_bi cm^2 3.49557 NaN 0.888198 NaN 0.541591 0.433836 0.277104 0.246588 mean squared structural length of post-natals
L3_bi cm^3 7.03938 NaN 1.65035 NaN 0.681421 0.482352 0.497653 0.39257 mean cubed structural length of post-natals
Ww_bi g 7.3549 NaN 1.72697 NaN 0.757655 0.529669 0.553328 0.431079 mean wet weight of post-natals
L_pi cm 1.79631 NaN 0.656981 NaN 0.600572 0.54211 0.365769 0.351561 mean structural length of adults
L2_pi cm^2 3.49781 NaN 0.935662 NaN 0.555988 0.445563 0.318116 0.279658 mean squared structural length of adults
L3_pi cm^3 7.04391 NaN 1.73962 NaN 0.699912 0.495723 0.574443 0.4477 mean cubed structural length of adults
Ww_pi g 7.35964 NaN 1.82037 NaN 0.778214 0.544352 0.638709 0.491618 mean wet weight of adults
R 1/d 0 NaN 0 NaN 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.057423 NaN 0.0151126 NaN 0.0222246 0.015609 0.0113706 0.00887153 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 NaN 0 NaN 0.407404 0.410613 0.124857 0.126237 yield of living structure on food
Y_VX_d mol/mol 0.0484123 NaN 0.105081 NaN 0.00012252 0.00014092 0.238136 0.239315 yield of dead structure on food
Y_EX mol/mol 0 NaN 0 NaN 0.0455779 0.0402794 0.0139682 0.0123833 yield of living reserve on food
Y_EX_d mol/mol 0.00216994 NaN 0.0048782 NaN 1.37068e-05 1.38237e-05 0.0266412 0.0234758 yield of dead reserve on food
Y_CX mol/mol 0.840043 NaN 0.780666 NaN 0.437507 0.439578 0.487023 0.489213 yield of CO2 on food
Y_HX mol/mol 0.604364 NaN 0.561646 NaN 0.314762 0.316252 0.350386 0.351962 yield of H2O on food
Y_OX mol/mol -0.913546 NaN -0.848974 NaN -0.475789 -0.478041 -0.529638 -0.53202 yield of O2 on food
Y_NX mol/mol 0.126006 NaN 0.1171 NaN 0.065626 0.0659367 0.0730535 0.073382 yield of N-waste on food
mu_TX J/mol 447100 NaN 417276 NaN 243661 244962 268669 270001 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