Hypoptychus dybowskii: Population traits

at T = 7.6 °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: 2025/06/03
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.398268 NaN NaN NaN 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00977881 0.00977881 NaN NaN spec pop growth rate
t2 d NaN NaN NaN NaN 70.8826 70.8826 NaN NaN population doubling time
a_b d 35.6183 NaN NaN NaN 32.4339 32.8985 NaN NaN age at birth
t_j d 143.859 NaN NaN NaN 65.8989 72.5064 NaN NaN time since birth at metam
t_p d 369.118 NaN NaN NaN 136.016 151.988 NaN NaN time since birth at puberty
S_b - 0.999587 NaN NaN NaN 0.999694 0.99962 NaN NaN survival probability at birth
S_j - 0.996967 NaN NaN NaN 0.9984 0.997917 NaN NaN survival probability at metam
S_p - 0.976322 NaN NaN NaN 0.996516 0.994863 NaN NaN survival probability at puberty
theta_0b - 0.066006 NaN NaN NaN 0.276074 0.280302 NaN NaN frac of ind that is embryo
theta_bj - 0.0659478 NaN NaN NaN 0.200927 0.203039 NaN NaN frac of ind between b and j
theta_jp - 0.198241 NaN NaN NaN 0.150006 0.171405 NaN NaN frac of ind between j and p
theta_pi - 0.669805 NaN NaN NaN 0.372992 0.345254 NaN NaN frac of ind that is adult
L_bi cm 0.258332 NaN NaN NaN 0.327266 0.288605 NaN NaN mean structural length of post-natals
L2_bi cm^2 0.0758038 NaN NaN NaN 0.16394 0.124617 NaN NaN mean squared structural length of post-natals
L3_bi cm^3 0.0236059 NaN NaN NaN 0.101483 0.0662443 NaN NaN mean cubed structural length of post-natals
Ww_bi g 0.0499204 NaN NaN NaN 0.385532 0.222257 NaN NaN mean wet weight of post-natals
L_pi cm 0.312829 NaN NaN NaN 0.515617 0.466364 NaN NaN mean structural length of adults
L2_pi cm^2 0.0994357 NaN NaN NaN 0.300945 0.240671 NaN NaN mean squared structural length of adults
L3_pi cm^3 0.0320178 NaN NaN NaN 0.19419 0.135081 NaN NaN mean cubed structural length of adults
Ww_pi g 0.0677093 NaN NaN NaN 0.737723 0.453211 NaN NaN mean wet weight of adults
R 1/d 0.0101918 NaN NaN NaN 0.0467612 0.0359527 NaN NaN mean reproduction rate of adults
J_X g/d 0.00235359 NaN NaN NaN 0.0147245 0.00923506 NaN NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN NaN NaN 0.109375 0.109375 NaN NaN yield of faeces on food
Y_VX mol/mol 0 NaN NaN NaN 0.0673969 0.0701447 NaN NaN yield of living structure on food
Y_VX_d mol/mol 0.0327846 NaN NaN NaN 0.00617689 0.0073309 NaN NaN yield of dead structure on food
Y_EX mol/mol 0 NaN NaN NaN 0.188642 0.165198 NaN NaN yield of living reserve on food
Y_EX_d mol/mol 0.0365464 NaN NaN NaN 0.0172889 0.017265 NaN NaN yield of dead reserve on food
Y_CX mol/mol 0.821294 NaN NaN NaN 0.61112 0.630686 NaN NaN yield of CO2 on food
Y_HX mol/mol 0.590875 NaN NaN NaN 0.439667 0.453744 NaN NaN yield of H2O on food
Y_OX mol/mol -0.893157 NaN NaN NaN -0.664593 -0.685871 NaN NaN yield of O2 on food
Y_NX mol/mol 0.123194 NaN NaN NaN 0.091668 0.0946029 NaN NaN yield of N-waste on food
mu_TX J/mol 436007 NaN NaN NaN 322451 333407 NaN NaN 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