Daphnia ambigua: 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_min f_max date: 2025/05/23
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.244863 0.244863 0.241656 0.241656 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.506543 0.506543 0.231333 0.231333 spec pop growth rate
t2 d NaN NaN NaN NaN 1.36839 1.36839 2.99631 2.99631 population doubling time
a_b d 1.49128 1.57508 1.49404 1.57815 1.2773 1.31889 1.2773 1.31889 age at birth
t_p d 49.8958 66.8826 51.9737 66.6457 3.9587 5.51031 3.9587 5.51031 time since birth at puberty
S_b - 0.99999 0.999981 0.99999 0.999981 0.999994 0.99999 0.999994 0.99999 survival probability at birth
S_p - 0.999872 0.999692 0.99999 0.999981 0.999961 0.999928 0.431363 0.5223 survival probability at puberty
theta_0b - 0.0324712 0.0432308 0.0322718 0.0423685 0.476393 0.487334 0.516598 0.465242 frac of ind that is embryo
theta_bp - 0.0324945 0.0432729 0.0322965 0.0424142 0.249482 0.249901 0.25343 0.247574 fraction of individuals that is juvenile
theta_pi - 0.935034 0.913496 0.935432 0.915217 0.274125 0.262765 0.229972 0.287184 frac of ind that is adult
L_bi cm 0.00593648 0.00417505 0.00586233 0.0041213 0.0117541 0.0101202 0.0117741 0.0105371 mean structural length of post-natals
L2_bi cm^2 3.52502e-05 1.75577e-05 3.43773e-05 1.71138e-05 0.0001506 0.000107413 0.000155561 0.00011824 mean squared structural length of post-natals
L3_bi cm^3 2.09365e-07 7.45223e-08 2.01657e-07 7.17585e-08 2.09649e-06 1.19457e-06 2.30007e-06 1.40863e-06 mean cubed structural length of post-natals
Ww_bi g 4.95708e-07 1.44354e-07 4.73846e-07 1.3812e-07 1.38064e-05 5.76606e-06 1.51471e-05 6.79929e-06 mean wet weight of post-natals
L_pi cm 0.00592221 0.0041081 0.00584653 0.0040545 0.0144377 0.0119131 0.0152105 0.012577 mean structural length of adults
L2_pi cm^2 3.50749e-05 1.69045e-05 3.41848e-05 1.64672e-05 0.000216069 0.000144509 0.000243204 0.000162109 mean squared structural length of adults
L3_pi cm^3 2.0775e-07 6.96914e-08 1.99897e-07 6.70111e-08 3.35589e-06 1.7856e-06 4.08799e-06 2.14017e-06 mean cubed structural length of adults
Ww_pi g 4.91885e-07 1.34996e-07 4.69712e-07 1.28982e-07 2.21002e-05 8.61887e-06 2.69214e-05 1.03303e-05 mean wet weight of adults
R 1/d 0.202513 0.0574552 0.194701 0.054447 2.12661 1.38329 2.5216 1.61627 mean reproduction rate of adults
J_X g/d 1.19347e-06 4.07288e-07 1.14868e-06 3.91792e-07 2.08235e-05 1.01758e-05 2.15094e-05 1.12015e-05 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 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.0509985 0.0594648 0.0247372 0.029091 yield of living structure on food
Y_VX_d mol/mol 0.00388694 0.00468473 0.00384921 0.00456109 2.15718e-05 3.77828e-05 0.0259191 0.0243586 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.284851 0.227565 0.13817 0.111328 yield of living reserve on food
Y_EX_d mol/mol 0.00531609 0.00438988 0.00519554 0.00421805 0.000120489 0.00014459 0.144771 0.0932173 yield of dead reserve on food
Y_CX mol/mol 0.881422 0.88155 0.88158 0.881846 0.554633 0.603413 0.557028 0.63263 yield of CO2 on food
Y_HX mol/mol 0.635603 0.635696 0.635717 0.635909 0.399952 0.435128 0.401679 0.456197 yield of H2O on food
Y_OX mol/mol -0.958546 -0.958686 -0.958719 -0.959007 -0.603164 -0.656212 -0.605768 -0.687986 yield of O2 on food
Y_NX mol/mol 0.132213 0.132233 0.132237 0.132277 0.083195 0.090512 0.0835542 0.0948946 yield of N-waste on food
mu_TX J/mol 467633 467743 467718 467900 290255 317509 291555 333275 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