Paracapoeta trutta: Population traits

at T = 18 °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: 2025/04/13
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.469511 0.469511 0.614121 0.614121 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00592314 0.00592314 0.000408633 0.000408633 spec pop growth rate
t2 d NaN NaN NaN NaN 117.024 117.024 1696.26 1696.26 population doubling time
a_b d 17.5322 17.6181 16.7618 16.8425 15.5077 15.5775 15.5077 15.5775 age at birth
t_j d 76.5922 78.5849 60.8019 62.2943 41.4627 42.3561 41.4627 42.3561 time since birth at metam
t_p d 6485.86 NaN 2499.37 2646.54 1268.1 1308.9 1268.1 1308.9 time since birth at puberty
S_b - 0.999998 0.999998 0.999998 0.999998 0.999998 0.999998 0.999998 0.999998 survival probability at birth
S_j - 0.999989 0.999988 0.435041 0.442094 0.999993 0.999992 0.322982 0.329146 survival probability at metam
S_p - 0.999931 0.999926 0.0488425 0.0488521 0.999978 0.999977 0.0487189 0.0487244 survival probability at puberty
theta_0b - 0.00356883 0.00362069 0.426598 0.421755 0.087633 0.0880102 0.509453 0.505265 frac of ind that is embryo
theta_bj - 0.00357605 0.0036281 0.290083 0.288793 0.0801013 0.0804131 0.304067 0.303897 frac of ind between b and j
theta_jp - 0.0120461 0.0125544 0.198296 0.203556 0.118647 0.122022 0.122262 0.126071 frac of ind between j and p
theta_pi - 0.980809 0.980197 0.0850232 0.0858957 0.713619 0.709555 0.0642175 0.064767 frac of ind that is adult
L_bi cm 3.13772 3.04236 0.24229 0.24098 0.78083 0.764395 0.194986 0.194413 mean structural length of post-natals
L2_bi cm^2 11.2887 10.6184 0.439255 0.424574 1.11536 1.06777 0.276181 0.269595 mean squared structural length of post-natals
L3_bi cm^3 42.8853 39.1426 1.76174 1.65121 2.23798 2.09464 1.28684 1.22218 mean cubed structural length of post-natals
Ww_bi g 52.4224 47.599 2.2742 2.11781 3.29801 3.05847 1.89635 1.78455 mean wet weight of post-natals
L_pi cm 3.18567 3.09048 1.05479 1.04427 0.963538 0.946887 0.820524 0.816155 mean structural length of adults
L2_pi cm^2 11.4682 10.7935 2.89975 2.79573 1.4213 1.36759 2.03746 1.98711 mean squared structural length of adults
L3_pi cm^3 43.5683 39.7888 11.874 11.1086 2.86059 2.69154 9.82147 9.32738 mean cubed structural length of adults
Ww_pi g 53.2573 48.3847 15.3279 14.2476 4.21552 3.93002 14.4735 13.6193 mean wet weight of adults
R 1/d 0 0 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.172232 0.157368 0.00869427 0.00816079 0.0362679 0.033726 0.0088591 0.00839769 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 0.365499 0.367872 0.0593564 0.0594714 yield of living structure on food
Y_VX_d mol/mol 0.0873773 0.0882619 0.165587 0.167176 0.000608833 0.000630735 0.179224 0.180721 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.17312 0.169272 0.0281145 0.027365 yield of living reserve on food
Y_EX_d mol/mol 0.0194315 0.019068 0.0481662 0.0472406 0.000288377 0.000290224 0.0848903 0.0831565 yield of dead reserve on food
Y_CX mol/mol 0.783816 0.783295 0.676872 0.676208 0.351109 0.352561 0.53904 0.539911 yield of CO2 on food
Y_HX mol/mol 0.563912 0.563537 0.486972 0.486494 0.252603 0.253648 0.387809 0.388436 yield of H2O on food
Y_OX mol/mol -0.8524 -0.851833 -0.736098 -0.735377 -0.381831 -0.38341 -0.586206 -0.587153 yield of O2 on food
Y_NX mol/mol 0.117572 0.117494 0.101531 0.101431 0.0526663 0.0528841 0.080856 0.0809866 yield of N-waste on food
mu_TX J/mol 418124 417882 363215 362930 194071 194990 291057 291617 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