Daphnia schoedleri: Population traits

at T = 20 °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 - 0.117912 0.113535 0.556767 0.556767 1 1 scaled functional response
r 1/d 0 0 0.339128 0.1697 0.560602 0.245474 spec pop growth rate
t2 d NaN NaN 2.04391 4.08456 1.23643 2.82371 population doubling time
a_b d 1.66057 1.67064 1.29257 1.29257 1.18913 1.18913 age at birth
t_p d 111.807 127.337 5.67858 5.67858 3.44935 3.44935 time since birth at puberty
S_b - 0.999996 0.999996 0.999998 0.999998 0.999999 0.999999 survival probability at birth
S_p - 0.99997 0.999996 0.999989 0.61994 0.999993 0.489755 survival probability at puberty
theta_0b - 0.015144 0.014935 0.354784 0.384424 0.486488 0.500342 frac of ind that is embryo
theta_bp - 0.0151703 0.0149612 0.228999 0.244201 0.24986 0.264778 fraction of individuals that is juvenile
theta_pi - 0.969686 0.970104 0.416217 0.371375 0.263652 0.23488 frac of ind that is adult
L_bi cm 0.011742 0.0113421 0.0238546 0.0239792 0.0253335 0.0254442 mean structural length of post-natals
L2_bi cm^2 0.000138329 0.000129194 0.000611816 0.000631601 0.000712337 0.000746477 mean squared structural length of post-natals
L3_bi cm^3 1.63587e-06 1.47904e-06 1.69164e-05 1.83921e-05 2.24502e-05 2.58661e-05 mean cubed structural length of post-natals
Ww_bi g 2.06409e-06 1.85183e-06 3.78259e-05 4.11256e-05 7.22904e-05 8.32898e-05 mean wet weight of post-natals
L_pi cm 0.0116938 0.0112893 0.0272076 0.0281286 0.0313584 0.0329502 mean structural length of adults
L2_pi cm^2 0.000137056 0.000127824 0.00077406 0.000840653 0.00104256 0.00118593 mean squared structural length of adults
L3_pi cm^3 1.61049e-06 1.45219e-06 2.30974e-05 2.68068e-05 3.70439e-05 4.73108e-05 mean cubed structural length of adults
Ww_pi g 2.03207e-06 1.81821e-06 5.16469e-05 5.99412e-05 0.000119283 0.000152342 mean wet weight of adults
R 1/d 0.0569184 0.0496828 1.30653 1.43838 2.18354 2.55107 mean reproduction rate of adults
J_X g/d 2.37813e-06 2.13861e-06 4.96657e-05 5.12718e-05 0.00010386 0.000108837 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 0.115509 0.0608744 0.121179 0.0583389 yield of living structure on food
Y_VX_d mol/mol 0.00587693 0.00570293 1.45391e-05 0.0559694 4.41833e-06 0.0631798 yield of dead structure on food
Y_EX mol/mol 0 0 0.142774 0.0752434 0.269022 0.129515 yield of living reserve on food
Y_EX_d mol/mol 0.0015384 0.00143743 1.7971e-05 0.0691806 9.80885e-06 0.140261 yield of dead reserve on food
Y_CX mol/mol 0.88321 0.883485 0.632309 0.629357 0.50041 0.49933 yield of CO2 on food
Y_HX mol/mol 0.636892 0.637091 0.455965 0.453837 0.360851 0.360073 yield of H2O on food
Y_OX mol/mol -0.960491 -0.96079 -0.687636 -0.684426 -0.544196 -0.543022 yield of O2 on food
Y_NX mol/mol 0.132481 0.132523 0.0948464 0.0944036 0.0750615 0.0748996 yield of N-waste on food
mu_TX J/mol 468715 468858 336202 334645 263941 263364 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