Daphnia similoides: Population traits

at T = 23 °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 - 0.123941 0.128471 0.564235 0.564235 1 1 scaled functional response
r 1/d 0 0 0.507121 0.153896 0.636884 0.162868 spec pop growth rate
t2 d NaN NaN 1.36683 4.504 1.08834 4.25588 population doubling time
a_b d 1.01254 1.00745 0.859544 0.859544 0.831661 0.831661 age at birth
t_p d 46.2866 41.5378 3.88094 3.88094 2.99666 2.99666 time since birth at puberty
S_b - 0.999995 0.999995 0.999997 0.999997 0.999997 0.999997 survival probability at birth
S_p - 0.999953 0.835933 0.999983 0.382899 0.999985 0.324454 survival probability at puberty
theta_0b - 0.0225243 0.0346279 0.353306 0.451872 0.411186 0.511367 frac of ind that is embryo
theta_bp - 0.0225453 0.0314909 0.228521 0.244559 0.242138 0.255346 fraction of individuals that is juvenile
theta_pi - 0.95493 0.933881 0.418173 0.30357 0.346675 0.233286 frac of ind that is adult
L_bi cm 0.017778 0.0183486 0.0330177 0.0332962 0.0355874 0.0353595 mean structural length of post-natals
L2_bi cm^2 0.000316321 0.000337165 0.00126783 0.00140142 0.00155623 0.00177357 mean squared structural length of post-natals
L3_bi cm^3 5.63246e-06 6.20347e-06 5.55096e-05 7.18077e-05 8.21017e-05 0.000122693 mean cubed structural length of post-natals
Ww_bi g 1.02166e-05 1.14368e-05 0.000261177 0.000337862 0.000621228 0.000928362 mean wet weight of post-natals
L_pi cm 0.0178377 0.0184492 0.0400677 0.0443323 0.0456271 0.0516225 mean structural length of adults
L2_pi cm^2 0.000318299 0.000340568 0.00173536 0.00221504 0.00232077 0.00324254 mean squared structural length of adults
L3_pi cm^3 5.68164e-06 6.2901e-06 8.11434e-05 0.000123236 0.000132259 0.000246785 mean cubed structural length of adults
Ww_pi g 1.03058e-05 1.15965e-05 0.000381787 0.000579836 0.00100074 0.00186731 mean wet weight of adults
R 1/d 0.177532 0.197172 1.60002 2.28603 1.78994 3.06135 mean reproduction rate of adults
J_X g/d 2.03921e-05 2.25301e-05 0.000372082 0.000411289 0.000809452 0.000922501 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 0.0756556 0.026869 0.0645983 0.0216614 yield of living structure on food
Y_VX_d mol/mol 0.00646386 0.00900563 3.76026e-05 0.0380397 1.70142e-05 0.0338655 yield of dead structure on food
Y_EX mol/mol 0 0 0.280311 0.099552 0.424189 0.142241 yield of living reserve on food
Y_EX_d mol/mol 0.00526075 0.00759724 0.000139321 0.140941 0.000111725 0.22238 yield of dead reserve on food
Y_CX mol/mol 0.8789 0.874022 0.534482 0.585224 0.401709 0.470477 yield of CO2 on food
Y_HX mol/mol 0.633785 0.630267 0.385421 0.422011 0.289676 0.339266 yield of H2O on food
Y_OX mol/mol -0.955804 -0.950499 -0.581249 -0.636431 -0.436858 -0.511643 yield of O2 on food
Y_NX mol/mol 0.131835 0.131103 0.0801723 0.0877836 0.0602563 0.0705715 yield of N-waste on food
mu_TX J/mol 466375 463819 280406 307775 206827 244195 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