Entomobrya nivalis: Population traits

at T = 10 °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: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.435213 0.486824 0.743412 0.743412 1 1 scaled functional response
r 1/d 0 0 0.0154632 0.0030041 0.0213711 0.00400196 spec pop growth rate
t2 d NaN NaN 44.8256 230.734 32.4338 173.202 population doubling time
a_b d 46.1399 45.522 43.5061 43.5061 42.383 42.383 age at birth
t_j d 216.61 158.331 84.3754 84.3754 65.9475 65.9475 time since birth at metam
t_p d 536.317 334.367 149.071 149.071 112.124 112.124 time since birth at puberty
S_b - 0.999605 0.999625 0.999682 0.999682 0.99971 0.99971 survival probability at birth
S_j - 0.995721 0.622312 0.997618 0.320645 0.998114 0.218066 survival probability at metam
S_p - 0.911513 0.18789 0.993977 0.109995 0.996729 0.0934762 survival probability at puberty
theta_0b - 0.0886502 0.270623 0.491553 0.537583 0.596501 0.620895 frac of ind that is embryo
theta_bj - 0.0885469 0.215666 0.25066 0.285287 0.240974 0.274724 frac of ind between b and j
theta_jp - 0.31572 0.244072 0.122016 0.0777224 0.0645817 0.0377838 frac of ind between j and p
theta_pi - 0.507083 0.26964 0.135771 0.0994075 0.0979434 0.0665969 frac of ind that is adult
L_bi cm 0.00808777 0.00841023 0.00976419 0.00938698 0.0102518 0.00971859 mean structural length of post-natals
L2_bi cm^2 6.72993e-05 7.64652e-05 0.000111506 0.000109867 0.000128302 0.000128053 mean squared structural length of post-natals
L3_bi cm^3 5.73348e-07 7.43912e-07 1.47435e-06 1.58992e-06 1.95118e-06 2.3075e-06 mean cubed structural length of post-natals
Ww_bi g 1.91348e-06 2.68891e-06 7.36084e-06 7.93781e-06 1.24303e-05 1.47003e-05 mean wet weight of post-natals
L_pi cm 0.00919189 0.0112963 0.0156035 0.01747 0.0175784 0.0207552 mean structural length of adults
L2_pi cm^2 8.45901e-05 0.000128092 0.000250301 0.000315724 0.000323586 0.000462837 mean squared structural length of adults
L3_pi cm^3 7.79329e-07 1.45757e-06 4.12556e-06 5.87574e-06 6.24404e-06 1.09844e-05 mean cubed structural length of adults
Ww_pi g 2.60091e-06 5.26845e-06 2.05972e-05 2.93352e-05 3.97785e-05 6.99776e-05 mean wet weight of adults
R 1/d 0.0382892 0.078052 0.213002 0.292542 0.288447 0.476363 mean reproduction rate of adults
J_X g/d 1.40524e-07 1.91207e-07 5.0307e-07 4.88292e-07 8.2035e-07 8.07002e-07 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 0.0453181 0.00978157 0.0508307 0.011443 yield of living structure on food
Y_VX_d mol/mol 0.0117253 0.0229579 0.000934402 0.0303979 0.000443748 0.0315378 yield of dead structure on food
Y_EX mol/mol 0 0 0.180937 0.0390538 0.272993 0.0614562 yield of living reserve on food
Y_EX_d mol/mol 0.0274064 0.0600247 0.00373069 0.121366 0.00238321 0.169378 yield of dead reserve on food
Y_CX mol/mol 0.691838 0.656209 0.53601 0.560646 0.458229 0.501158 yield of CO2 on food
Y_HX mol/mol 0.741745 0.703546 0.574676 0.601089 0.491284 0.53731 yield of H2O on food
Y_OX mol/mol -0.878102 -0.832881 -0.680321 -0.711589 -0.581598 -0.636085 yield of O2 on food
Y_NX mol/mol 0.159655 0.151433 0.123695 0.12938 0.105745 0.115652 yield of N-waste on food
mu_TX J/mol 443773 420618 341770 357865 290245 318407 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