Bulinus tropicus: 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: 2025/05/22
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.339348 0.367774 0.683887 0.683887 1 1 scaled functional response
r 1/d 0 0 0.0368122 0.00514995 0.0618403 0.00782291 spec pop growth rate
t2 d NaN NaN 18.8293 134.593 11.2087 88.6048 population doubling time
a_b d 8.61085 8.49776 7.66729 7.66729 7.20541 7.20541 age at birth
t_j d 486.531 255.934 55.6811 55.6811 34.3282 34.3282 time since birth at metam
t_p d 486.565 255.948 55.6832 55.6832 34.3294 34.3294 time since birth at puberty
S_b - 0.999984 0.999984 0.999988 0.999988 0.99999 0.99999 survival probability at birth
S_j - 0.99988 0.936959 0.999925 0.661089 0.999942 0.51067 survival probability at metam
S_p - 0.477499 0.127614 0.998537 0.0494652 0.999531 0.0406845 survival probability at puberty
theta_0b - 0.0175654 0.056753 0.245869 0.297403 0.359444 0.413031 frac of ind that is embryo
theta_bj - 0.0175967 0.0550414 0.185584 0.234693 0.230357 0.285388 frac of ind between b and j
theta_jp - 0.797554 0.682914 0.471702 0.385178 0.333588 0.249109 frac of ind between j and p
theta_pi - 0.167284 0.205291 0.0968455 0.0827265 0.0766115 0.0524721 frac of ind that is adult
L_bi cm 0.0807044 0.0882296 0.1065 0.104876 0.110975 0.106384 mean structural length of post-natals
L2_bi cm^2 0.00671336 0.00841561 0.0141326 0.0156837 0.0161167 0.0182967 mean squared structural length of post-natals
L3_bi cm^3 0.000575153 0.000865451 0.00236712 0.00339289 0.00314573 0.00542016 mean cubed structural length of post-natals
Ww_bi g 0.000658011 0.00100057 0.00305436 0.00437794 0.00448118 0.00772116 mean wet weight of post-natals
L_pi cm 0.103461 0.129663 0.223169 0.274748 0.251653 0.338326 mean structural length of adults
L2_pi cm^2 0.0107067 0.0168312 0.051485 0.0791444 0.0668407 0.128096 mean squared structural length of adults
L3_pi cm^3 0.00110824 0.00218711 0.012285 0.0236939 0.018809 0.0531253 mean cubed structural length of adults
Ww_pi g 0.0012679 0.00252858 0.0158517 0.0305729 0.0267939 0.0756783 mean wet weight of adults
R 1/d 0.0111811 0.0317712 0.286722 0.459859 0.517078 1.06257 mean reproduction rate of adults
J_X g/d 6.57215e-05 0.000102125 0.00043541 0.000496429 0.000778523 0.000910435 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 0.200131 0.0351978 0.249875 0.0465727 yield of living structure on food
Y_VX_d mol/mol 0.0271796 0.0501821 0.000435022 0.102423 0.000145627 0.122297 yield of dead structure on food
Y_EX mol/mol 0 0 0.0581035 0.0102189 0.106078 0.0197713 yield of living reserve on food
Y_EX_d mol/mol 0.00391554 0.0078349 0.000126299 0.0297363 6.18222e-05 0.0519182 yield of dead reserve on food
Y_CX mol/mol 0.85953 0.832608 0.631829 0.713049 0.534465 0.650066 yield of CO2 on food
Y_HX mol/mol 0.620772 0.601328 0.456321 0.51498 0.386002 0.469492 yield of H2O on food
Y_OX mol/mol -0.934739 -0.905461 -0.687114 -0.775441 -0.58123 -0.706946 yield of O2 on food
Y_NX mol/mol 0.128929 0.124891 0.0947744 0.106957 0.0801697 0.0975098 yield of N-waste on food
mu_TX J/mol 456757 443100 340191 381714 289113 348636 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