Daphnia similus: Population traits

at T = 27 °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 - 0.154963 0.280746 0.640373 0.640373 1 1 scaled functional response
r 1/d 0 0 0.193985 0.0208305 0.246225 0.0267119 spec pop growth rate
t2 d NaN NaN 3.5732 33.2755 2.8151 25.949 population doubling time
a_b d 1.60924 1.4701 1.32495 1.32495 1.27021 1.27021 age at birth
t_p d 20.8097 8.53896 4.26821 4.26821 3.37968 3.37968 time since birth at puberty
S_b - 0.999952 0.999963 0.999972 0.999972 0.999975 0.999975 survival probability at birth
S_p - 0.999651 0.603582 0.999855 0.427135 0.999879 0.368185 survival probability at puberty
theta_0b - 0.0337468 0.139203 0.227139 0.323886 0.26882 0.395188 frac of ind that is embryo
theta_bp - 0.0337727 0.107479 0.175703 0.204937 0.196658 0.231105 fraction of individuals that is juvenile
theta_pi - 0.932481 0.753319 0.597157 0.471177 0.534522 0.373706 frac of ind that is adult
L_bi cm 0.0283101 0.0425504 0.0487205 0.0551814 0.0525524 0.0581811 mean structural length of post-natals
L2_bi cm^2 0.000809172 0.00195814 0.00286473 0.00414941 0.00351684 0.00535212 mean squared structural length of post-natals
L3_bi cm^3 2.33065e-05 9.47957e-05 0.000195513 0.000378666 0.000286683 0.00066472 mean cubed structural length of post-natals
Ww_bi g 3.16602e-05 0.000156353 0.000485102 0.000939539 0.000949778 0.00220221 mean wet weight of post-natals
L_pi cm 0.0286243 0.0455772 0.0559855 0.0689575 0.0626216 0.0790447 mean structural length of adults
L2_pi cm^2 0.000824501 0.00217222 0.00353522 0.00571016 0.00457266 0.00828468 mean squared structural length of adults
L3_pi cm^3 2.38755e-05 0.000106913 0.000248775 0.000537455 0.000385922 0.00106618 mean cubed structural length of adults
Ww_pi g 3.24332e-05 0.000176338 0.000617256 0.00133352 0.00127856 0.00353225 mean wet weight of adults
R 1/d 0.0341334 0.143245 0.296072 0.546528 0.379953 0.856111 mean reproduction rate of adults
J_X g/d 1.93622e-05 8.48873e-05 0.000283271 0.000410303 0.000543048 0.000826439 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 0.133888 0.0192244 0.129986 0.0214848 yield of living structure on food
Y_VX_d mol/mol 0.0303429 0.0570179 0.00131222 0.0642346 0.000682522 0.0623572 yield of dead structure on food
Y_EX mol/mol 0 0 0.198312 0.0284748 0.300656 0.0496943 yield of living reserve on food
Y_EX_d mol/mol 0.0108758 0.0370253 0.00194363 0.095143 0.00157867 0.144232 yield of dead reserve on food
Y_CX mol/mol 0.849406 0.796582 0.555169 0.683548 0.457722 0.612857 yield of CO2 on food
Y_HX mol/mol 0.612516 0.574424 0.400339 0.492914 0.330068 0.441938 yield of H2O on food
Y_OX mol/mol -0.923729 -0.866283 -0.603746 -0.743359 -0.497772 -0.666482 yield of O2 on food
Y_NX mol/mol 0.127411 0.119487 0.0832754 0.102532 0.0686583 0.0919285 yield of N-waste on food
mu_TX J/mol 451347 423627 294759 362781 240937 323920 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