Achondrostoma arcasii: Population traits

at T = 15 °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_minf f_max date: 2025/05/22
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.167753 0.23589 0.617945 0.617945 1 1 scaled functional response
r 1/d 0 0 0.00537161 0.000417278 0.00779267 0.000574171 spec pop growth rate
t2 d NaN NaN 129.039 1661.11 88.9486 1207.21 population doubling time
a_b d 25.0328 23.6277 20.2008 20.2008 18.8601 18.8601 age at birth
t_j d 24.3698 17.7295 8.10474 8.10474 5.91509 5.91509 time since birth at metam
t_p d 4517.72 1882.97 621.298 621.298 430.259 430.259 time since birth at puberty
S_b - 0.999999 0.999999 0.999999 0.999999 0.999999 0.999999 survival probability at birth
S_j - 0.999992 0.626099 0.999998 0.62193 0.999999 0.621061 survival probability at metam
S_p - 0.999992 0.56592 0.999996 0.407422 0.999997 0.342559 survival probability at puberty
theta_0b - 0.0038311 0.180261 0.102713 0.348057 0.136541 0.412647 frac of ind that is embryo
theta_bj - 0.00373924 0.108245 0.0382328 0.110695 0.0389004 0.102381 frac of ind between b and j
theta_jp - 0.000101733 0.0268434 0.0540529 0.104009 0.0791276 0.129199 frac of ind between j and p
theta_pi - 0.992328 0.68465 0.805002 0.437239 0.745431 0.355773 frac of ind that is adult
L_bi cm 0.757988 0.404981 0.385094 0.316334 0.38012 0.308082 mean structural length of post-natals
L2_bi cm^2 0.623584 0.326477 0.227152 0.306513 0.22648 0.329788 mean squared structural length of post-natals
L3_bi cm^3 0.53224 0.343756 0.181916 0.572875 0.18832 0.797617 mean cubed structural length of post-natals
Ww_bi g 0.606641 0.411327 0.275592 0.867868 0.345248 1.46227 mean wet weight of post-natals
L_pi cm 0.760591 0.467772 0.41825 0.425753 0.424346 0.445304 mean structural length of adults
L2_pi cm^2 0.625969 0.389405 0.252127 0.45268 0.260703 0.538183 mean squared structural length of adults
L3_pi cm^3 0.534298 0.411452 0.202667 0.853767 0.217967 1.31617 mean cubed structural length of adults
Ww_pi g 0.608987 0.492331 0.307027 1.2934 0.3996 2.41294 mean wet weight of adults
R 1/d 0 0 0 0.0508924 0.0161095 0.106288 mean reproduction rate of adults
J_X g/d 0.00206593 0.00152305 0.00278252 0.00375387 0.00449161 0.00653919 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 0.351187 0.0636806 0.326725 0.0700344 yield of living structure on food
Y_VX_d mol/mol 0.0584332 0.121456 0.000241149 0.151807 9.67932e-05 0.151911 yield of dead structure on food
Y_EX mol/mol 0 0 0.180839 0.0327914 0.27226 0.0583598 yield of living reserve on food
Y_EX_d mol/mol 0.00816832 0.0238743 0.000124176 0.078171 8.0658e-05 0.126588 yield of dead reserve on food
Y_CX mol/mol 0.824023 0.745295 0.358234 0.564175 0.291463 0.483733 yield of CO2 on food
Y_HX mol/mol 0.592839 0.536198 0.257729 0.405892 0.209691 0.348019 yield of H2O on food
Y_OX mol/mol -0.896126 -0.810508 -0.389579 -0.61354 -0.316966 -0.526059 yield of O2 on food
Y_NX mol/mol 0.123604 0.111794 0.053735 0.0846262 0.0437194 0.0725599 yield of N-waste on food
mu_TX J/mol 438791 398641 197256 303727 159302 259806 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