Biomphalaria pfeifferi: Population traits

at T = 21.8 °C with background hazards for embryo, larva, juv, adult: 0, 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 abj f_minf f_max date: 2024/12/04
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.311499 0.469982 0.734991 0.734991 1 1 scaled functional response
r 1/d 0 0 0.0264508 0.00300979 0.0372303 0.00481622 spec pop growth rate
t2 d NaN NaN 26.2052 230.298 18.6178 143.919 population doubling time
a_b d 3.65125 3.40631 3.15868 3.15868 3.00196 3.00196 age at birth
t_j d 0.199386 0.134104 0.0898181 0.0898181 0.0695508 0.0695508 time since birth at metam
t_p d 496.142 188.882 104.965 104.965 75.9514 75.9514 time since birth at puberty
S_b - 0.999988 0.99999 0.999992 0.999992 0.999993 0.999993 survival probability at birth
S_j - 0.999986 0.979898 0.999991 0.97947 0.999993 0.97928 survival probability at metam
S_p - 0.999931 0.723807 0.999956 0.643002 0.999963 0.586689 survival probability at puberty
theta_0b - 0.00805474 0.122931 0.0802998 0.196932 0.105767 0.244016 frac of ind that is embryo
theta_bj - 0.000441074 0.0048012 0.00219027 0.00552447 0.00231631 0.00556161 frac of ind between b and j
theta_jp - 0.00763587 0.0996206 0.0717927 0.150601 0.0923976 0.178307 frac of ind between j and p
theta_pi - 0.983868 0.772648 0.845717 0.646942 0.799519 0.572116 frac of ind that is adult
L_bi cm 0.269978 0.203735 0.198452 0.186215 0.196418 0.181053 mean structural length of post-natals
L2_bi cm^2 0.0799586 0.0636484 0.0532559 0.0626377 0.0535231 0.0642591 mean squared structural length of post-natals
L3_bi cm^3 0.0249118 0.0251845 0.0179627 0.0312095 0.0188876 0.0372709 mean cubed structural length of post-natals
Ww_bi g 0.0276354 0.0293387 0.0225964 0.0392604 0.0255168 0.0503521 mean wet weight of post-natals
L_pi cm 0.271689 0.222781 0.210118 0.215545 0.211778 0.217985 mean structural length of adults
L2_pi cm^2 0.0805839 0.0717161 0.0575425 0.0767405 0.0593326 0.0834971 mean squared structural length of adults
L3_pi cm^3 0.0251144 0.0285544 0.0195097 0.0386751 0.0210893 0.0491545 mean cubed structural length of adults
Ww_pi g 0.0278602 0.0332645 0.0245424 0.0486519 0.0284911 0.0664066 mean wet weight of adults
R 1/d 0 0 0.0101009 0.0568243 0.0469049 0.120092 mean reproduction rate of adults
J_X g/d 0.000948981 0.00113999 0.00149192 0.00175474 0.00204016 0.00244939 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 0.318467 0.0535314 0.344674 0.0732855 yield of living structure on food
Y_VX_d mol/mol 0.095386 0.171113 0.00387072 0.17958 0.00188582 0.186171 yield of dead structure on food
Y_EX mol/mol 0 0 0.0821531 0.0138092 0.120973 0.0257215 yield of living reserve on food
Y_EX_d mol/mol 0.0104284 0.0282255 0.000998507 0.0463251 0.000661878 0.0653415 yield of dead reserve on food
Y_CX mol/mol 0.784811 0.691287 0.485136 0.59738 0.42243 0.540106 yield of CO2 on food
Y_HX mol/mol 0.566808 0.499263 0.350376 0.431441 0.305089 0.390076 yield of H2O on food
Y_OX mol/mol -0.853482 -0.751774 -0.527585 -0.64965 -0.459393 -0.587365 yield of O2 on food
Y_NX mol/mol 0.117722 0.103693 0.0727704 0.089607 0.0633645 0.0810158 yield of N-waste on food
mu_TX J/mol 419071 371420 265598 322871 232321 292687 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female are the same.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer