Haliotis tuberculata: 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: 2026/02/18
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.180677 0.180677 0.590339 0.590339 1 1 scaled functional response
r 1/d 0 0 0.029027 0.00577633 0.0462998 0.00882001 spec pop growth rate
t2 d NaN NaN 23.8794 119.998 14.9709 78.588 population doubling time
a_b d 1.28537 1.28537 1.05454 1.05454 0.976785 0.976785 age at birth
t_j d 5.54031 5.54031 2.00701 2.00701 1.37318 1.37318 time since birth at metam
t_p d 2670.79 2670.79 401.093 401.093 256.226 256.226 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.651661 1 0.378414 1 0.268202 survival probability at metam
S_p - 1 0.157899 1 0.15732 1 0.157225 survival probability at puberty
theta_0b - 0.000223699 0.236331 0.0298914 0.430345 0.0436598 0.50546 frac of ind that is embryo
theta_bj - 0.000225905 0.194135 0.0292454 0.276168 0.042287 0.282713 frac of ind between b and j
theta_jp - 0.000747811 0.275182 0.0256562 0.0976546 0.0166228 0.0425821 frac of ind between j and p
theta_pi - 0.998803 0.294352 0.915207 0.195833 0.89743 0.169245 frac of ind that is adult
L_bi cm 0.872812 0.0530552 0.125533 0.0207008 0.117288 0.0203929 mean structural length of post-natals
L2_bi cm^2 0.810812 0.030374 0.0293416 0.00276377 0.0259472 0.00265323 mean squared structural length of post-natals
L3_bi cm^3 0.770622 0.0264776 0.00993044 0.00146888 0.0084389 0.00145078 mean cubed structural length of post-natals
Ww_bi g 0.870403 0.029906 0.0141316 0.0020903 0.0144865 0.00249047 mean wet weight of post-natals
L_pi cm 0.873654 0.124797 0.132535 0.0448333 0.124409 0.0440985 mean structural length of adults
L2_pi cm^2 0.811603 0.078696 0.031097 0.00791185 0.0276452 0.00762428 mean squared structural length of adults
L3_pi cm^3 0.771374 0.0686929 0.0105261 0.00427171 0.00899281 0.00423815 mean cubed structural length of adults
Ww_pi g 0.871251 0.0775873 0.0149793 0.0060789 0.0154374 0.00727537 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.00651155 0.000243839 0.000770839 7.22903e-05 0.00115492 0.000117558 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 0.373945 0.11737 0.338308 0.108848 yield of living structure on food
Y_VX_d mol/mol 0.026897 0.0648689 4.65778e-06 0.234398 1.57603e-06 0.217344 yield of dead structure on food
Y_EX mol/mol 0 0 0.158201 0.0496545 0.242444 0.0780044 yield of living reserve on food
Y_EX_d mol/mol 0.00348263 0.00839923 1.97052e-06 0.0991644 1.12945e-06 0.155757 yield of dead reserve on food
Y_CX mol/mol 0.860245 0.817357 0.358473 0.390037 0.30987 0.330672 yield of CO2 on food
Y_HX mol/mol 0.621288 0.590313 0.258897 0.281694 0.223795 0.238819 yield of H2O on food
Y_OX mol/mol -0.935517 -0.888876 -0.389839 -0.424166 -0.336984 -0.359606 yield of O2 on food
Y_NX mol/mol 0.129037 0.122604 0.053771 0.0585056 0.0464805 0.0496008 yield of N-waste on food
mu_TX J/mol 457136 435446 198514 214765 170000 180836 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