Folsomia candida: 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: 2025/05/22
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.364151 0.383535 0.691767 0.691767 1 1 scaled functional response
r 1/d 0 0 0.162246 0.0481841 0.222543 0.0601015 spec pop growth rate
t2 d NaN NaN 4.27219 14.3854 3.11466 11.5329 population doubling time
a_b d 7.0754 7.02614 6.54216 6.54216 6.31185 6.31185 age at birth
t_j d 50.2141 40.4239 13.9892 13.9892 10.3191 10.3191 time since birth at metam
t_p d 59.6812 47.0765 15.5205 15.5205 11.3805 11.3805 time since birth at puberty
S_b - 0.99848 0.998517 0.998843 0.998843 0.998973 0.998973 survival probability at birth
S_j - 0.984065 0.786317 0.991846 0.334173 0.993811 0.213778 survival probability at metam
S_p - 0.363525 0.166313 0.976866 0.0953979 0.988838 0.0801877 survival probability at puberty
theta_0b - 0.138875 0.230356 0.656273 0.613434 0.755454 0.691761 frac of ind that is embryo
theta_bj - 0.138066 0.20516 0.226363 0.279733 0.184993 0.252685 frac of ind between b and j
theta_jp - 0.616049 0.465411 0.0831018 0.0719878 0.0353102 0.0305187 frac of ind between j and p
theta_pi - 0.107009 0.0990721 0.0342622 0.0348458 0.024243 0.0250357 frac of ind that is adult
L_bi cm 0.00708042 0.00736009 0.00895199 0.0087467 0.00945433 0.00913643 mean structural length of post-natals
L2_bi cm^2 5.08441e-05 5.56957e-05 9.01228e-05 8.88841e-05 0.000103862 0.000102428 mean squared structural length of post-natals
L3_bi cm^3 3.70428e-07 4.34149e-07 1.04582e-06 1.10334e-06 1.37709e-06 1.54685e-06 mean cubed structural length of post-natals
Ww_bi g 1.2413e-06 1.50916e-06 5.71657e-06 6.03099e-06 1.02677e-05 1.15335e-05 mean wet weight of post-natals
L_pi cm 0.00865055 0.00985116 0.0167021 0.0183099 0.0188453 0.0214681 mean structural length of adults
L2_pi cm^2 7.4869e-05 9.71725e-05 0.000285391 0.000347313 0.000368607 0.000494553 mean squared structural length of adults
L3_pi cm^3 6.48298e-07 9.59752e-07 4.99491e-06 6.8194e-06 7.51174e-06 1.22419e-05 mean cubed structural length of adults
Ww_pi g 2.17243e-06 3.33622e-06 2.73027e-05 3.72755e-05 5.6008e-05 9.12763e-05 mean wet weight of adults
R 1/d 0.251342 0.378246 1.8804 2.43063 2.52728 3.773 mean reproduction rate of adults
J_X g/d 6.65562e-07 8.08442e-07 3.06782e-06 2.99846e-06 5.45424e-06 5.32605e-06 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 0.0553099 0.0177303 0.0561881 0.0174554 yield of living structure on food
Y_VX_d mol/mol 0.0170034 0.025256 0.00107403 0.0376564 0.000482882 0.0375366 yield of dead structure on food
Y_EX mol/mol 0 0 0.247019 0.0791853 0.362754 0.112693 yield of living reserve on food
Y_EX_d mol/mol 0.0399746 0.062537 0.00479672 0.168177 0.00311752 0.242339 yield of dead reserve on food
Y_CX mol/mol 0.677338 0.652301 0.47322 0.477649 0.380317 0.390488 yield of CO2 on food
Y_HX mol/mol 0.726199 0.699356 0.507357 0.512105 0.407752 0.418657 yield of H2O on food
Y_OX mol/mol -0.859699 -0.82792 -0.600626 -0.606247 -0.48271 -0.49562 yield of O2 on food
Y_NX mol/mol 0.156309 0.150531 0.109205 0.110227 0.0877655 0.0901127 yield of N-waste on food
mu_TX J/mol 434384 418131 300480 303378 238652 245339 yield of heat on food

Remarks

  • Reprod-code A applies. Data concerns population of females only.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer