Daphnia hyalina: Population traits

at T = 15 °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: 2024/01/07
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.201247 0.190763 0.595381 0.595381 1 1 scaled functional response
r 1/d 0 0 0.170518 0.0888328 0.302677 0.135906 spec pop growth rate
t2 d NaN NaN 4.06495 7.80283 2.29005 5.10021 population doubling time
a_b d 1.95816 1.97488 1.63935 1.63935 1.50762 1.50762 age at birth
t_p d 35.2144 40.4302 6.22175 6.22175 3.7079 3.7079 time since birth at puberty
S_b - 0.999935 0.999933 0.999961 0.999961 0.999969 0.999969 survival probability at birth
S_p - 0.999512 0.999933 0.999752 0.756506 0.999821 0.626825 survival probability at puberty
theta_0b - 0.036581 0.0347624 0.244392 0.257926 0.366455 0.376307 frac of ind that is embryo
theta_bp - 0.0366477 0.0348324 0.18495 0.194316 0.23231 0.24401 fraction of individuals that is juvenile
theta_pi - 0.926771 0.930405 0.570659 0.547758 0.401236 0.379683 frac of ind that is adult
L_bi cm 0.0160757 0.0154359 0.025853 0.0263524 0.0278671 0.0285302 mean structural length of post-natals
L2_bi cm^2 0.000258879 0.000239012 0.000700076 0.00073657 0.00083964 0.00090666 mean squared structural length of post-natals
L3_bi cm^3 4.17654e-06 3.71313e-06 1.98749e-05 2.18628e-05 2.75173e-05 3.24725e-05 mean cubed structural length of post-natals
Ww_bi g 4.73515e-06 4.18389e-06 2.77392e-05 3.05137e-05 4.58053e-05 5.40537e-05 mean wet weight of post-natals
L_pi cm 0.0160065 0.0153494 0.0278429 0.0287194 0.0319531 0.0335477 mean structural length of adults
L2_pi cm^2 0.000256553 0.000236168 0.00080082 0.000860249 0.00107391 0.0012121 mean squared structural length of adults
L3_pi cm^3 4.11777e-06 3.64286e-06 2.38215e-05 2.69016e-05 3.81607e-05 4.75441e-05 mean cubed structural length of adults
Ww_pi g 4.66852e-06 4.10471e-06 3.32474e-05 3.75462e-05 6.35222e-05 7.91419e-05 mean wet weight of adults
R 1/d 0.0449941 0.0390699 0.367591 0.397475 0.686196 0.785992 mean reproduction rate of adults
J_X g/d 2.34078e-06 2.04855e-06 1.87273e-05 1.97035e-05 3.77248e-05 4.0736e-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 yield of faeces on food
Y_VX mol/mol 0 0 0.180968 0.0985682 0.22078 0.108337 yield of living structure on food
Y_VX_d mol/mol 0.0314807 0.0286263 0.00126649 0.079656 0.000374954 0.106297 yield of dead structure on food
Y_EX mol/mol 0 0 0.0716072 0.0390024 0.14673 0.0720004 yield of living reserve on food
Y_EX_d mol/mol 0.00421049 0.00362927 0.000501136 0.0315191 0.000249194 0.0706446 yield of dead reserve on food
Y_CX mol/mol 0.854934 0.858369 0.636282 0.641879 0.522491 0.533347 yield of CO2 on food
Y_HX mol/mol 0.616502 0.61898 0.45883 0.462866 0.376774 0.384602 yield of H2O on food
Y_OX mol/mol -0.929741 -0.933477 -0.691957 -0.698044 -0.568209 -0.580015 yield of O2 on food
Y_NX mol/mol 0.12824 0.128755 0.0954423 0.0962819 0.0783736 0.080002 yield of N-waste on food
mu_TX J/mol 454444 456191 341723 344601 281084 286729 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