Umbra pygmaea: Population traits

at T = 13 °C with background hazards for embryo, juv, adult: 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 std f_minf f_max date: 2023/03/16
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.21708 0.259613 0.629806 0.629806 1 1 scaled functional response
r 1/d 0 0 0.00658002 0.00190364 0.0101495 0.00285274 spec pop growth rate
t2 d NaN NaN 105.341 364.117 68.2937 242.976 population doubling time
a_b d 31.4838 30.5503 26.3125 26.3125 24.4309 24.4309 age at birth
t_p d 3049.08 1821.42 528.878 528.878 343.7 343.7 time since birth at puberty
S_b - 0.999959 0.999963 0.999975 0.999975 0.999979 0.999979 survival probability at birth
S_p - 0.999757 0.783822 0.999864 0.621283 0.999894 0.536973 survival probability at puberty
theta_0b - 0.0136329 0.0991015 0.159187 0.267976 0.219646 0.340601 frac of ind that is embryo
theta_bp - 0.0136667 0.0878877 0.134027 0.201383 0.171549 0.233632 fraction of individuals that is juvenile
theta_pi - 0.9727 0.813011 0.706786 0.530641 0.608805 0.425767 frac of ind that is adult
L_bi cm 0.294262 0.231255 0.215668 0.19654 0.215174 0.195825 mean structural length of post-natals
L2_bi cm^2 0.0944609 0.0678015 0.0590834 0.0560008 0.0599132 0.0576414 mean squared structural length of post-natals
L3_bi cm^3 0.0320123 0.0234081 0.020167 0.0233286 0.0213403 0.0266314 mean cubed structural length of post-natals
Ww_bi g 0.0379273 0.0285808 0.0309782 0.0358346 0.0395047 0.0492995 mean wet weight of post-natals
L_pi cm 0.297063 0.24591 0.237208 0.23266 0.245888 0.245682 mean structural length of adults
L2_pi cm^2 0.0956614 0.0741401 0.0683023 0.0733359 0.0735936 0.0831765 mean squared structural length of adults
L3_pi cm^3 0.03245 0.0258435 0.0237868 0.0317812 0.0270082 0.0405948 mean cubed structural length of adults
Ww_pi g 0.0384459 0.0315543 0.0365384 0.0488184 0.049997 0.0751484 mean wet weight of adults
R 1/d 0 0 0.0189617 0.0283451 0.0663167 0.0884462 mean reproduction rate of adults
J_X g/d 0.000340812 0.000292555 0.000618466 0.000586197 0.000995784 0.000958026 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 0.214562 0.0757583 0.21751 0.0793009 yield of living structure on food
Y_VX_d mol/mol 0.0686189 0.114181 0.00164544 0.132101 0.000629837 0.133152 yield of dead structure on food
Y_EX mol/mol 0 0 0.115022 0.0406125 0.18514 0.0674995 yield of living reserve on food
Y_EX_d mol/mol 0.012679 0.0252314 0.000882085 0.0708166 0.000536106 0.113336 yield of dead reserve on food
Y_CX mol/mol 0.809327 0.751213 0.558513 0.571337 0.486808 0.497336 yield of CO2 on food
Y_HX mol/mol 0.582266 0.540456 0.401819 0.411045 0.350232 0.357806 yield of H2O on food
Y_OX mol/mol -0.880143 -0.816944 -0.607383 -0.621329 -0.529404 -0.540853 yield of O2 on food
Y_NX mol/mol 0.121399 0.112682 0.0837769 0.0857005 0.0730213 0.0746005 yield of N-waste on food
mu_TX J/mol 431217 401532 300649 307284 261308 266814 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