Barnea candida: 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: 2025/05/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.410322 0.413228 0.706614 0.706614 1 1 scaled functional response
r 1/d 0 0 0.0254724 0.00302801 0.0372416 0.00421946 spec pop growth rate
t2 d NaN NaN 27.2117 228.912 18.6122 164.274 population doubling time
a_b d 2.20723 2.20473 2.03107 2.03107 1.93687 1.93687 age at birth
t_j d 3.51036 3.4911 2.37148 2.37148 1.91415 1.91415 time since birth at metam
t_p d 1049.62 985.407 295.412 295.412 208.877 208.877 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.374626 1 0.263297 1 0.210248 survival probability at metam
S_p - 1 0.211256 1 0.210529 1 0.207676 survival probability at puberty
theta_0b - 0.000887074 0.379823 0.0503137 0.486705 0.0694564 0.531379 frac of ind that is embryo
theta_bj - 0.000889345 0.242546 0.0478846 0.267835 0.0640258 0.264634 frac of ind between b and j
theta_jp - 0.000525061 0.0633614 0.00778593 0.0191032 0.000733148 0.00128994 frac of ind between j and p
theta_pi - 0.997699 0.314269 0.894016 0.226357 0.865785 0.202697 frac of ind that is adult
L_bi cm 0.468808 0.0733808 0.109239 0.0313864 0.0977234 0.0296028 mean structural length of post-natals
L2_bi cm^2 0.23074 0.0261314 0.0203132 0.00580476 0.0167541 0.00524011 mean squared structural length of post-natals
L3_bi cm^3 0.115606 0.0123292 0.00512936 0.00272761 0.0040304 0.00272117 mean cubed structural length of post-natals
Ww_bi g 0.158659 0.0169532 0.00841896 0.00447691 0.00768844 0.00519094 mean wet weight of post-natals
L_pi cm 0.469458 0.135287 0.115392 0.0587683 0.10425 0.0555747 mean structural length of adults
L2_pi cm^2 0.231067 0.0514723 0.0215712 0.0130391 0.0179989 0.0119858 mean squared structural length of adults
L3_pi cm^3 0.11577 0.0243293 0.00544869 0.00618395 0.00433178 0.00628984 mean cubed structural length of adults
Ww_pi g 0.158884 0.033454 0.00894309 0.0101499 0.00826334 0.0119986 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.00285418 0.00032539 0.000433188 0.000123519 0.000505846 0.000157828 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 0.301617 0.0668658 0.296728 0.0727492 yield of living structure on food
Y_VX_d mol/mol 0.0199616 0.0506312 2.14009e-05 0.134971 8.68128e-06 0.145492 yield of dead structure on food
Y_EX mol/mol 0 0 0.193436 0.042883 0.269313 0.0660278 yield of living reserve on food
Y_EX_d mol/mol 0.00743393 0.0189892 1.3725e-05 0.086561 7.87921e-06 0.13205 yield of dead reserve on food
Y_CX mol/mol 0.863229 0.821005 0.395537 0.559344 0.324568 0.474305 yield of CO2 on food
Y_HX mol/mol 0.626321 0.595684 0.286984 0.405835 0.235492 0.344135 yield of H2O on food
Y_OX mol/mol -0.938762 -0.892842 -0.430146 -0.608287 -0.352968 -0.515807 yield of O2 on food
Y_NX mol/mol 0.129484 0.123151 0.0593305 0.0839016 0.0486852 0.0711458 yield of N-waste on food
mu_TX J/mol 458431 436740 215283 300387 176006 254436 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