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: 2025/06/22
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.155227 0.170313 0.585157 0.585157 1 1 scaled functional response
r 1/d 0 0 0.0524524 0.0157099 0.0921387 0.024596 spec pop growth rate
t2 d NaN NaN 13.2148 44.1218 7.52287 28.1813 population doubling time
a_b d 10.9554 10.7873 8.82759 8.82759 8.18848 8.18848 age at birth
t_j d 25.3106 22.3222 6.47173 6.47173 4.46029 4.46029 time since birth at metam
t_p d 368.59 259.05 40.6017 40.6017 26.6947 26.6947 time since birth at puberty
S_b - 0.999945 0.999947 0.99997 0.99997 0.999976 0.999976 survival probability at birth
S_j - 0.999622 0.795005 0.999884 0.468118 0.999932 0.452414 survival probability at metam
S_p - 0.998646 0.621873 0.999841 0.393153 0.999883 0.3049 survival probability at puberty
theta_0b - 0.0273913 0.0778654 0.370662 0.455179 0.529711 0.561262 frac of ind that is embryo
theta_bj - 0.0274337 0.0696929 0.181262 0.20873 0.158511 0.181825 frac of ind between b and j
theta_jp - 0.0359249 0.0587889 0.0521258 0.0431214 0.0906613 0.0735481 frac of ind between j and p
theta_pi - 0.90925 0.793653 0.395951 0.292969 0.221117 0.183364 frac of ind that is adult
L_bi cm 0.132385 0.13708 0.158742 0.160095 0.153733 0.159279 mean structural length of post-natals
L2_bi cm^2 0.0177904 0.0194341 0.0294354 0.0330107 0.027826 0.0339544 mean squared structural length of post-natals
L3_bi cm^3 0.00241959 0.00282937 0.00638053 0.00884666 0.00601376 0.0101472 mean cubed structural length of post-natals
Ww_bi g 0.00317953 0.00380438 0.0139349 0.0193209 0.0181817 0.0306785 mean wet weight of post-natals
L_pi cm 0.135237 0.1444 0.192026 0.211407 0.204589 0.233808 mean structural length of adults
L2_pi cm^2 0.0184462 0.0212113 0.0405598 0.052638 0.0456475 0.065378 mean squared structural length of adults
L3_pi cm^3 0.00253462 0.00316113 0.00949216 0.0155558 0.0112664 0.0225384 mean cubed structural length of adults
Ww_pi g 0.00333069 0.00425047 0.0207306 0.0339735 0.0340621 0.0681414 mean wet weight of adults
R 1/d 0.00880465 0.0179596 0.177713 0.246359 0.243984 0.379039 mean reproduction rate of adults
J_X g/d 0.00033154 0.000403296 0.00229376 0.00256513 0.00373487 0.00455318 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 0.145906 0.0541804 0.148359 0.0548147 yield of living structure on food
Y_VX_d mol/mol 0.0231751 0.0396822 0.000228999 0.0822156 6.26756e-05 0.0847009 yield of dead structure on food
Y_EX mol/mol 0 0 0.172749 0.0641481 0.30018 0.110909 yield of living reserve on food
Y_EX_d mol/mol 0.00727879 0.0136746 0.000271129 0.0973411 0.000126814 0.171379 yield of dead reserve on food
Y_CX mol/mol 0.860171 0.837268 0.57147 0.59274 0.441897 0.468821 yield of CO2 on food
Y_HX mol/mol 0.621235 0.604694 0.412728 0.42809 0.319148 0.338593 yield of H2O on food
Y_OX mol/mol -0.935436 -0.910529 -0.621474 -0.644605 -0.480563 -0.509843 yield of O2 on food
Y_NX mol/mol 0.129026 0.12559 0.0857205 0.088911 0.0662845 0.0703232 yield of N-waste on food
mu_TX J/mol 456909 445138 304271 315483 233120 247484 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