Biomphalaria glabrata: Population traits

at T = 20 °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: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.386662 0.406678 0.703339 0.703339 1 1 scaled functional response
r 1/d 0 0 0.0746075 0.0121207 0.117813 0.0166974 spec pop growth rate
t2 d NaN NaN 9.29058 57.187 5.88345 41.5122 population doubling time
a_b d 9.05933 8.99144 8.3279 8.3279 7.97886 7.97886 age at birth
t_j d 856.541 378.711 61.6375 61.6375 40.3924 40.3924 time since birth at metam
t_p d 925.192 605.395 79.8254 79.8254 51.4309 51.4309 time since birth at puberty
S_b - 0.999993 0.999993 0.999995 0.999995 0.999995 0.999995 survival probability at birth
S_j - 0.99993 0.901796 0.999962 0.448954 0.999971 0.295489 survival probability at metam
S_p - 0.108226 0.0109905 0.999321 0.00266476 0.999776 0.0020875 survival probability at puberty
theta_0b - 0.0174847 0.0932846 0.462705 0.485951 0.609335 0.590658 frac of ind that is embryo
theta_bj - 0.0174987 0.0886954 0.248663 0.304431 0.238068 0.302813 frac of ind between b and j
theta_jp - 0.935954 0.790643 0.283228 0.207293 0.149247 0.105204 frac of ind between j and p
theta_pi - 0.0290629 0.0273769 0.0054033 0.00232409 0.00334955 0.00132487 frac of ind that is adult
L_bi cm 0.0710506 0.0659419 0.0769847 0.0650719 0.0788108 0.0663402 mean structural length of post-natals
L2_bi cm^2 0.00570291 0.00535001 0.00855122 0.00571439 0.00927443 0.00618312 mean squared structural length of post-natals
L3_bi cm^3 0.000520897 0.000572295 0.00162518 0.00101211 0.00202753 0.00143305 mean cubed structural length of post-natals
Ww_bi g 0.00103374 0.00116491 0.00453568 0.00282469 0.00719016 0.00508196 mean wet weight of post-natals
L_pi cm 0.148145 0.198498 0.413554 0.493785 0.475754 0.620396 mean structural length of adults
L2_pi cm^2 0.0219477 0.0394086 0.174998 0.251031 0.235534 0.416464 mean squared structural length of adults
L3_pi cm^3 0.0032517 0.00782529 0.0757859 0.130738 0.12166 0.298381 mean cubed structural length of adults
Ww_pi g 0.00645313 0.0159284 0.211509 0.364873 0.431438 1.05814 mean wet weight of adults
R 1/d 0.0985632 1.2635 18.6054 29.1103 29.2753 60.4995 mean reproduction rate of adults
J_X g/d 0.000324835 0.000365344 0.00157619 0.000867247 0.00262583 0.00146007 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 0.0769261 0.0141454 0.0909692 0.0163885 yield of living structure on food
Y_VX_d mol/mol 0.00617117 0.0136367 2.2951e-05 0.0535395 7.93221e-06 0.0603698 yield of dead structure on food
Y_EX mol/mol 0 0 0.137766 0.0253327 0.231631 0.0417292 yield of living reserve on food
Y_EX_d mol/mol 0.00607577 0.0141209 4.11026e-05 0.0958829 2.01975e-05 0.153717 yield of dead reserve on food
Y_CX mol/mol 0.878378 0.862867 0.675869 0.701724 0.567997 0.61842 yield of CO2 on food
Y_HX mol/mol 0.634384 0.623182 0.488128 0.506801 0.41022 0.446637 yield of H2O on food
Y_OX mol/mol -0.955236 -0.938368 -0.735008 -0.763125 -0.617696 -0.672532 yield of O2 on food
Y_NX mol/mol 0.131757 0.12943 0.10138 0.105259 0.0851995 0.0927631 yield of N-waste on food
mu_TX J/mol 466073 457915 358232 371989 299603 326625 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