Bulinus truncatus: Population traits

at T = 26 °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: 2025/05/23
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.152872 0.166067 0.583033 0.583033 1 1 scaled functional response
r 1/d 0 0 0.0532879 0.0157739 0.0939418 0.024697 spec pop growth rate
t2 d NaN NaN 13.0076 43.9425 7.37847 28.0661 population doubling time
a_b d 11.2681 11.1137 9.0672 9.0672 8.41189 8.41189 age at birth
t_j d 28.3207 25.2076 7.02859 7.02859 4.84445 4.84445 time since birth at metam
t_p d 370.518 266.584 39.6056 39.6056 26.0974 26.0974 time since birth at puberty
S_b - 0.999946 0.999948 0.999971 0.999971 0.999976 0.999976 survival probability at birth
S_j - 0.999627 0.803427 0.999881 0.442937 0.999931 0.427127 survival probability at metam
S_p - 0.998444 0.608448 0.999845 0.381125 0.999886 0.293566 survival probability at puberty
theta_0b - 0.0276397 0.0766413 0.383202 0.465511 0.546236 0.571484 frac of ind that is embryo
theta_bj - 0.027682 0.0689455 0.192789 0.219094 0.165928 0.189599 frac of ind between b and j
theta_jp - 0.0418631 0.0682879 0.0436794 0.035261 0.0819795 0.0657328 frac of ind between j and p
theta_pi - 0.902815 0.786125 0.380329 0.280134 0.205856 0.173185 frac of ind that is adult
L_bi cm 0.130042 0.134063 0.157271 0.158646 0.151953 0.15772 mean structural length of post-natals
L2_bi cm^2 0.0171524 0.0185414 0.0289074 0.0325039 0.0271703 0.0333707 mean squared structural length of post-natals
L3_bi cm^3 0.00228835 0.00262852 0.00621739 0.0086876 0.00580218 0.00994089 mean cubed structural length of post-natals
Ww_bi g 0.00302696 0.00355015 0.013871 0.019382 0.0180527 0.0309298 mean wet weight of post-natals
L_pi cm 0.133024 0.141465 0.191609 0.211795 0.204376 0.234735 mean structural length of adults
L2_pi cm^2 0.0178302 0.0203082 0.0403407 0.0528261 0.0454637 0.0658546 mean squared structural length of adults
L3_pi cm^3 0.00240565 0.00295203 0.00940209 0.015637 0.0111652 0.0227653 mean cubed structural length of adults
Ww_pi g 0.00318212 0.00398709 0.020976 0.0348862 0.0347391 0.0708311 mean wet weight of adults
R 1/d 0.00858947 0.0166893 0.179541 0.251474 0.2447 0.385368 mean reproduction rate of adults
J_X g/d 0.000319243 0.000380359 0.00229814 0.00257605 0.00373395 0.00458275 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 0.144165 0.0531968 0.145976 0.0535727 yield of living structure on food
Y_VX_d mol/mol 0.0221811 0.0379275 0.000202778 0.0812428 5.48622e-05 0.0833642 yield of dead structure on food
Y_EX mol/mol 0 0 0.177467 0.0654851 0.308209 0.113112 yield of living reserve on food
Y_EX_d mol/mol 0.00715939 0.0132984 0.000249619 0.10001 0.000115834 0.176013 yield of dead reserve on food
Y_CX mol/mol 0.861284 0.839399 0.568541 0.59069 0.436269 0.464564 yield of CO2 on food
Y_HX mol/mol 0.622039 0.606233 0.410613 0.42661 0.315083 0.335518 yield of H2O on food
Y_OX mol/mol -0.936647 -0.912847 -0.618288 -0.642376 -0.474443 -0.505213 yield of O2 on food
Y_NX mol/mol 0.129193 0.12591 0.0852812 0.0886036 0.0654403 0.0696846 yield of N-waste on food
mu_TX J/mol 457472 446222 302572 314258 229906 245013 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