Hemigrammopetersius barnardi: Population traits

at T = 26 °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: 2025/04/22
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.296552 0.624345 0.812173 0.812173 1 1 scaled functional response
r 1/d 0 0 0.0259281 0.00020306 0.0328345 0.000342325 spec pop growth rate
t2 d NaN NaN 26.7334 3413.51 21.1104 2024.82 population doubling time
a_b d 5.45894 4.89002 4.7284 4.7284 4.61509 4.61509 age at birth
t_j d 12.249 6.72634 5.69955 5.69955 5.07805 5.07805 time since birth at metam
t_p d 749.949 112.264 86.0496 86.0496 72.6264 72.6264 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.257596 1 0.209297 1 0.178381 survival probability at metam
S_p - 0.999999 0.154787 1 0.151795 1 0.150054 survival probability at puberty
theta_0b - 0.00284378 0.344376 0.115335 0.435046 0.140562 0.492307 frac of ind that is embryo
theta_bj - 0.0028462 0.188591 0.102075 0.219869 0.120847 0.234429 frac of ind between b and j
theta_jp - 0.00354023 0.0261164 0.0194599 0.0159784 0.0111425 0.00807361 frac of ind between j and p
theta_pi - 0.99077 0.440916 0.76313 0.329107 0.727448 0.26519 frac of ind that is adult
L_bi cm 0.326511 0.412309 0.32057 0.410198 0.312757 0.39638 mean structural length of post-natals
L2_bi cm^2 0.10796 0.267042 0.145916 0.329389 0.145016 0.373281 mean squared structural length of post-natals
L3_bi cm^3 0.0358831 0.188326 0.080405 0.299731 0.0842031 0.414067 mean cubed structural length of post-natals
Ww_bi g 0.049454 0.338278 0.163687 0.610186 0.191589 0.942133 mean wet weight of post-natals
L_pi cm 0.328191 0.583068 0.360863 0.659806 0.357214 0.702114 mean structural length of adults
L2_pi cm^2 0.108627 0.395174 0.168403 0.562609 0.170468 0.710999 mean squared structural length of adults
L3_pi cm^3 0.0361124 0.279908 0.0931562 0.514341 0.099419 0.792471 mean cubed structural length of adults
Ww_pi g 0.04977 0.502781 0.189645 1.04708 0.22621 1.80312 mean wet weight of adults
R 1/d 0.00395772 0.323299 0.109113 0.566527 0.118162 0.810944 mean reproduction rate of adults
J_X g/d 0.00360879 0.0194649 0.0139313 0.031434 0.0171107 0.0440287 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 0.149645 0.00193623 0.161581 0.00321938 yield of living structure on food
Y_VX_d mol/mol 0.00549779 0.0154536 8.35992e-06 0.0167341 4.77742e-06 0.0177266 yield of dead structure on food
Y_EX mol/mol 0 0 0.154999 0.0020055 0.206067 0.00410573 yield of living reserve on food
Y_EX_d mol/mol 0.00207925 0.0123047 8.65901e-06 0.0173328 6.09272e-06 0.022607 yield of dead reserve on food
Y_CX mol/mol 0.883048 0.862867 0.585964 0.852616 0.522966 0.842966 yield of CO2 on food
Y_HX mol/mol 0.635304 0.620785 0.421568 0.61341 0.376245 0.606467 yield of H2O on food
Y_OX mol/mol -0.960315 -0.938368 -0.637236 -0.92722 -0.568726 -0.916726 yield of O2 on food
Y_NX mol/mol 0.132457 0.12943 0.0878946 0.127892 0.078445 0.126445 yield of N-waste on food
mu_TX J/mol 468608 458006 312419 452529 278367 447335 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