Macrhybopsis aestivalis: Population traits

at T = 20 °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: 2025/04/06
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.329485 0.571297 0.785649 0.785649 1 1 scaled functional response
r 1/d 0 0 0.00490423 0.000473 0.00717985 0.000908695 spec pop growth rate
t2 d NaN NaN 141.336 1465.43 96.5407 762.794 population doubling time
a_b d 29.134 26.6233 25.2333 25.2333 24.2186 24.2186 age at birth
t_j d 249.426 128.782 91.6103 91.6103 71.8703 71.8703 time since birth at metam
t_p d 2275.89 823.273 546.93 546.93 415.428 415.428 time since birth at puberty
S_b - 0.999902 0.999923 0.999934 0.999934 0.99994 0.99994 survival probability at birth
S_j - 0.999406 0.737497 0.999616 0.665774 0.999663 0.607476 survival probability at metam
S_p - 0.984609 0.22882 0.99786 0.228169 0.998642 0.227747 survival probability at puberty
theta_0b - 0.0158909 0.171558 0.117352 0.233789 0.160059 0.282624 frac of ind that is embryo
theta_bj - 0.0159751 0.148401 0.103934 0.19038 0.134767 0.218404 frac of ind between b and j
theta_jp - 0.120025 0.287167 0.219015 0.244357 0.205478 0.204971 frac of ind between j and p
theta_pi - 0.848109 0.392875 0.559699 0.331475 0.499696 0.294002 frac of ind that is adult
L_bi cm 0.371454 0.276718 0.283545 0.26452 0.266848 0.2548 mean structural length of post-natals
L2_bi cm^2 0.157627 0.120485 0.106573 0.118872 0.0944836 0.11394 mean squared structural length of post-natals
L3_bi cm^3 0.0726749 0.0731419 0.0510228 0.0827007 0.0433421 0.0849054 mean cubed structural length of post-natals
Ww_bi g 0.0769802 0.0806549 0.0582302 0.0943828 0.0511349 0.100171 mean wet weight of post-natals
L_pi cm 0.407364 0.428787 0.363217 0.428589 0.349712 0.42104 mean structural length of adults
L2_pi cm^2 0.179346 0.232055 0.155608 0.248789 0.144179 0.24951 mean squared structural length of adults
L3_pi cm^3 0.0837835 0.151039 0.0785772 0.187398 0.0706421 0.203042 mean cubed structural length of adults
Ww_pi g 0.0887469 0.166554 0.0896769 0.213869 0.0833434 0.239549 mean wet weight of adults
R 1/d 0 0.0234916 0.0156633 0.0536776 0.0243315 0.0768414 mean reproduction rate of adults
J_X g/d 0.000457747 0.000599724 0.000734571 0.000813366 0.000826539 0.00099125 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 0.340645 0.0480932 0.376497 0.0778341 yield of living structure on food
Y_VX_d mol/mol 0.164159 0.256906 0.0117197 0.248481 0.00565944 0.24732 yield of dead structure on food
Y_EX mol/mol 0 0 0.0481189 0.00679356 0.0676935 0.0139944 yield of living reserve on food
Y_EX_d mol/mol 0.00972492 0.0263889 0.00165551 0.0351 0.00101756 0.0444676 yield of dead reserve on food
Y_CX mol/mol 0.716741 0.60733 0.488486 0.552157 0.439758 0.507009 yield of CO2 on food
Y_HX mol/mol 0.515655 0.43694 0.351438 0.397246 0.316381 0.364765 yield of H2O on food
Y_OX mol/mol -0.779456 -0.660471 -0.531228 -0.600471 -0.478236 -0.551372 yield of O2 on food
Y_NX mol/mol 0.107511 0.0910995 0.0732729 0.0828235 0.0659636 0.0760513 yield of N-waste on food
mu_TX J/mol 385072 329533 268942 301171 243631 277769 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