Daphnia projecta: Population traits

at T = 29 °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: 2024/12/04
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.25767 0.249785 0.624893 0.624893 1 1 scaled functional response
r 1/d 0 0 0.164402 0.0741491 0.272656 0.0987575 spec pop growth rate
t2 d NaN NaN 4.21617 9.34802 2.5422 7.01868 population doubling time
a_b d 2.07038 2.08033 1.82394 1.82394 1.72701 1.72701 age at birth
t_p d 29.1233 31.9749 5.53692 5.53692 3.64913 3.64913 time since birth at puberty
S_b - 0.999968 0.999967 0.999979 0.999979 0.999982 0.999982 survival probability at birth
S_p - 0.999673 0.999967 0.99985 0.613903 0.999889 0.481583 survival probability at puberty
theta_0b - 0.0410356 0.0405767 0.259881 0.285375 0.375696 0.4079 frac of ind that is embryo
theta_bp - 0.0410694 0.0406155 0.192614 0.194245 0.234651 0.238208 fraction of individuals that is juvenile
theta_pi - 0.917895 0.918808 0.547505 0.52038 0.389653 0.353892 frac of ind that is adult
L_bi cm 0.0164802 0.0160212 0.02877 0.0296019 0.0325854 0.0340327 mean structural length of post-natals
L2_bi cm^2 0.000271678 0.000256819 0.000863347 0.000922466 0.00116019 0.00131312 mean squared structural length of post-natals
L3_bi cm^3 4.48009e-06 4.1192e-06 2.69009e-05 3.00387e-05 4.48582e-05 5.66503e-05 mean cubed structural length of post-natals
Ww_bi g 6.69841e-06 6.09643e-06 5.92043e-05 6.61101e-05 0.00013106 0.000165513 mean wet weight of post-natals
L_pi cm 0.016434 0.0159609 0.0314275 0.0327841 0.0383802 0.0416852 mean structural length of adults
L2_pi cm^2 0.00027011 0.000254811 0.00100794 0.00110015 0.00153784 0.00184738 mean squared structural length of adults
L3_pi cm^3 4.44016e-06 4.06896e-06 3.29557e-05 3.77041e-05 6.43393e-05 8.66813e-05 mean cubed structural length of adults
Ww_pi g 6.63871e-06 6.02207e-06 7.25297e-05 8.29802e-05 0.000187977 0.000253253 mean wet weight of adults
R 1/d 0.0448218 0.0406596 0.325567 0.363142 0.561757 0.715371 mean reproduction rate of adults
J_X g/d 6.93388e-06 6.35406e-06 5.34376e-05 5.70969e-05 0.000114918 0.000130065 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 0.0827613 0.0390099 0.106432 0.0430143 yield of living structure on food
Y_VX_d mol/mol 0.0130347 0.0127351 0.000677734 0.0371044 0.000218455 0.0502653 yield of dead structure on food
Y_EX mol/mol 0 0 0.099382 0.0468441 0.204524 0.0826585 yield of living reserve on food
Y_EX_d mol/mol 0.00645418 0.00611287 0.000813842 0.044556 0.000419795 0.0965924 yield of dead reserve on food
Y_CX mol/mol 0.871136 0.871777 0.70699 0.723111 0.579031 0.618095 yield of CO2 on food
Y_HX mol/mol 0.628186 0.628648 0.509818 0.521443 0.417546 0.445715 yield of H2O on food
Y_OX mol/mol -0.947361 -0.948057 -0.768852 -0.786383 -0.629696 -0.672178 yield of O2 on food
Y_NX mol/mol 0.13067 0.130767 0.106049 0.108467 0.0868546 0.0927142 yield of N-waste on food
mu_TX J/mol 462433 462770 375673 384173 306456 327272 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