Heterostichus rostratus: Population traits

at T = 19.2 °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 - 0.33131 NaN NaN NaN 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00777988 0.00777988 NaN NaN spec pop growth rate
t2 d NaN NaN NaN NaN 89.0949 89.0949 NaN NaN population doubling time
a_b d 16.4687 NaN NaN NaN 13.6926 13.8366 NaN NaN age at birth
t_j d 353.282 NaN NaN NaN 115.374 122.131 NaN NaN time since birth at metam
t_p d 3869.14 NaN NaN NaN 583.311 623.381 NaN NaN time since birth at puberty
S_b - 0.999992 NaN NaN NaN 0.999995 0.999995 NaN NaN survival probability at birth
S_j - 0.999954 NaN NaN NaN 0.999974 0.999972 NaN NaN survival probability at metam
S_p - 0.996414 NaN NaN NaN 0.999636 0.999567 NaN NaN survival probability at puberty
theta_0b - 0.00522519 NaN NaN NaN 0.100941 0.101946 NaN NaN frac of ind that is embryo
theta_bj - 0.00524724 NaN NaN NaN 0.0909134 0.0917213 NaN NaN frac of ind between b and j
theta_jp - 0.107145 NaN NaN NaN 0.442047 0.459415 NaN NaN frac of ind between j and p
theta_pi - 0.882382 NaN NaN NaN 0.366098 0.346917 NaN NaN frac of ind that is adult
L_bi cm 2.27595 NaN NaN NaN 0.767928 0.71876 NaN NaN mean structural length of post-natals
L2_bi cm^2 6.29028 NaN NaN NaN 1.31208 1.15114 NaN NaN mean squared structural length of post-natals
L3_bi cm^3 18.58 NaN NaN NaN 3.33381 2.75977 NaN NaN mean cubed structural length of post-natals
Ww_bi g 19.6617 NaN NaN NaN 3.91959 3.21566 NaN NaN mean wet weight of post-natals
L_pi cm 2.53102 NaN NaN NaN 1.53092 1.47617 NaN NaN mean structural length of adults
L2_pi cm^2 7.07986 NaN NaN NaN 3.11406 2.8636 NaN NaN mean squared structural length of adults
L3_pi cm^3 20.9422 NaN NaN NaN 8.14782 7.10205 NaN NaN mean cubed structural length of adults
Ww_pi g 22.1613 NaN NaN NaN 9.57946 8.27524 NaN NaN mean wet weight of adults
R 1/d 0 NaN NaN NaN 0 0 NaN NaN mean reproduction rate of adults
J_X g/d 0.0927422 NaN NaN NaN 0.0583262 0.0479915 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 0.444683 0.447384 NaN NaN yield of living structure on food
Y_VX_d mol/mol 0.120807 NaN NaN NaN 0.00149931 0.00160424 NaN NaN yield of dead structure on food
Y_EX mol/mol 0 NaN NaN NaN 0.078135 0.0739036 NaN NaN yield of living reserve on food
Y_EX_d mol/mol 0.00703268 NaN NaN NaN 0.000263443 0.000265006 NaN NaN yield of dead reserve on food
Y_CX mol/mol 0.762786 NaN NaN NaN 0.366044 0.367468 NaN NaN yield of CO2 on food
Y_HX mol/mol 0.548782 NaN NaN NaN 0.263349 0.264373 NaN NaN yield of H2O on food
Y_OX mol/mol -0.829529 NaN NaN NaN -0.398073 -0.399621 NaN NaN yield of O2 on food
Y_NX mol/mol 0.114418 NaN NaN NaN 0.0549067 0.0551202 NaN NaN yield of N-waste on food
mu_TX J/mol 408229 NaN NaN NaN 206290 207213 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