Tridacna gigas: Population traits

at T = 30 °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: 2024/02/19
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.121641 0.121641 0.56082 0.56082 1 1 scaled functional response
r 1/d 0 0 0.00661725 0.000461966 0.0120446 0.00030348 spec pop growth rate
t2 d NaN NaN 104.749 1500.43 57.5485 2283.99 population doubling time
a_b d 1.155 1.155 0.932056 0.932056 0.848698 0.848698 age at birth
t_j d 53.7457 53.7457 11.9984 11.9984 6.94642 6.94642 time since birth at metam
t_p d 23180.2 23180.2 2225.31 2225.31 1227.7 1227.7 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.930764 1 0.77132 1 0.664688 survival probability at metam
S_p - 1 0.0354829 1 0.0353474 1 0.0353315 survival probability at puberty
theta_0b - 2.41579e-05 0.0580618 0.00568736 0.183708 0.00941571 0.261126 frac of ind that is embryo
theta_bj - 2.60917e-05 0.0605129 0.0061137 0.174963 0.0100744 0.231757 frac of ind between b and j
theta_jp - 0.00118804 0.782489 0.0697788 0.562172 0.0694322 0.434701 frac of ind between j and p
theta_pi - 0.998762 0.0989363 0.91842 0.0791574 0.911078 0.0724165 frac of ind that is adult
L_bi cm 2.75214 0.034522 0.323216 0.0206775 0.309664 0.021576 mean structural length of post-natals
L2_bi cm^2 8.11916 0.0436353 0.205788 0.00756628 0.190831 0.00953125 mean squared structural length of post-natals
L3_bi cm^3 24.5683 0.116629 0.192576 0.0146596 0.174533 0.0203692 mean cubed structural length of post-natals
Ww_bi g 24.8879 0.118146 0.204125 0.0155387 0.193196 0.0225473 mean wet weight of post-natals
L_pi cm 2.75547 0.236802 0.348754 0.112844 0.33545 0.120906 mean structural length of adults
L2_pi cm^2 8.12903 0.414362 0.222775 0.0768512 0.207465 0.0960873 mean squared structural length of adults
L3_pi cm^3 24.5982 1.11037 0.208489 0.151158 0.189764 0.207815 mean cubed structural length of adults
Ww_pi g 24.9181 1.12481 0.220992 0.160223 0.210055 0.230036 mean wet weight of adults
R 1/d 23.7885 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.0248349 0.000133314 0.00290576 0.000106106 0.00480537 0.00023871 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 0.438552 0.0638251 0.437465 0.0258961 yield of living structure on food
Y_VX_d mol/mol 0.0297018 0.0680097 2.01893e-06 0.272385 5.89949e-07 0.278587 yield of dead structure on food
Y_EX mol/mol 0 0 0.0262989 0.00382744 0.0467775 0.00276904 yield of living reserve on food
Y_EX_d mol/mol 0.000386328 0.000884594 1.21071e-07 0.0163343 6.30824e-08 0.0297889 yield of dead reserve on food
Y_CX mol/mol 0.860537 0.821731 0.425772 0.534253 0.406382 0.553584 yield of CO2 on food
Y_HX mol/mol 0.624367 0.596211 0.308922 0.38763 0.294853 0.401656 yield of H2O on food
Y_OX mol/mol -0.935834 -0.893632 -0.463027 -0.581001 -0.441941 -0.602023 yield of O2 on food
Y_NX mol/mol 0.129081 0.12326 0.0638659 0.080138 0.0609573 0.0830377 yield of N-waste on food
mu_TX J/mol 457437 438009 238759 293306 228040 302352 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