Gibbula umbilicalis: Population traits

at T = 11 °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 - 0.390969 NaN 0.695485 NaN 1 1 scaled functional response
r 1/d 0 0 0.00583166 NaN 0.0097198 NaN spec pop growth rate
t2 d NaN NaN 118.859 NaN 71.3129 NaN population doubling time
a_b d 9.81713 NaN 8.95705 NaN 8.43634 NaN age at birth
t_j d 284.863 NaN 154.927 NaN 108.052 NaN time since birth at metam
t_p d 1923.81 NaN 841.825 NaN 554.734 NaN time since birth at puberty
S_b - 0.999928 NaN 0.999944 NaN 0.999952 NaN survival probability at birth
S_j - 0.999572 NaN 0.999671 NaN 0.999726 NaN survival probability at metam
S_p - 0.943521 NaN 0.983695 NaN 0.992114 NaN survival probability at puberty
theta_0b - 0.00947511 NaN 0.0522371 NaN 0.0793213 NaN frac of ind that is embryo
theta_bj - 0.00952876 NaN 0.0497681 NaN 0.0733043 NaN frac of ind between b and j
theta_jp - 0.260326 NaN 0.528622 NaN 0.530462 NaN frac of ind between j and p
theta_pi - 0.72067 NaN 0.369373 NaN 0.316912 NaN frac of ind that is adult
L_bi cm 0.17364 NaN 0.0910329 NaN 0.0825707 NaN mean structural length of post-natals
L2_bi cm^2 0.0431279 NaN 0.0173265 NaN 0.0151238 NaN mean squared structural length of post-natals
L3_bi cm^3 0.0123285 NaN 0.00473141 NaN 0.00421427 NaN mean cubed structural length of post-natals
Ww_bi g 0.0128076 NaN 0.00505846 NaN 0.00463311 NaN mean wet weight of post-natals
L_pi cm 0.225341 NaN 0.183512 NaN 0.179902 NaN mean structural length of adults
L2_pi cm^2 0.0587005 NaN 0.0424658 NaN 0.0415797 NaN mean squared structural length of adults
L3_pi cm^3 0.0169161 NaN 0.0120458 NaN 0.0121321 NaN mean cubed structural length of adults
Ww_pi g 0.0175734 NaN 0.0128784 NaN 0.0133379 NaN mean wet weight of adults
R 1/d 0 NaN 0 NaN 0.109899 NaN mean reproduction rate of adults
J_X g/d 0.00377201 NaN 0.00269968 NaN 0.00339426 NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.328125 NaN 0.328125 NaN 0.328125 NaN yield of faeces on food
Y_VX mol/mol 0 NaN 0.0102205 NaN 0.012068 NaN yield of living structure on food
Y_VX_d mol/mol 0.00768097 NaN 0.00136535 NaN 0.000585271 NaN yield of dead structure on food
Y_EX mol/mol 0 NaN 0.000706456 NaN 0.00119939 NaN yield of living reserve on food
Y_EX_d mol/mol 0.00029846 NaN 9.43751e-05 NaN 5.8168e-05 NaN yield of dead reserve on food
Y_CX mol/mol 0.663896 NaN 0.659488 NaN 0.657964 NaN yield of CO2 on food
Y_HX mol/mol 0.47948 NaN 0.476297 NaN 0.475196 NaN yield of H2O on food
Y_OX mol/mol -0.721986 NaN -0.717194 NaN -0.715536 NaN yield of O2 on food
Y_NX mol/mol 0.0995843 NaN 0.0989233 NaN 0.0986946 NaN yield of N-waste on food
mu_TX J/mol 363495 NaN 361267 NaN 360482 NaN 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