Magallana gigas: Population traits

at T = 10 °C with background hazards for embryo, pre-larva, larva, juv, adult: 0 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 asj f_minf f_max date: 2025/05/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.00799143 0.00811318 0.504057 0.504057 1 1 scaled functional response
r 1/d 0 0 0.142774 0.0211328 0.188977 0.0242822 spec pop growth rate
t2 d NaN NaN 4.85484 32.7996 3.6679 28.5455 population doubling time
a_b d 10.1899 10.1684 5.34171 5.34171 4.95697 4.95697 age at birth
t_s d 5.10493 5.02155 0.131049 0.131049 0.0950866 0.0950866 time since birth at start accel
t_j d 768.083 752.227 15.8257 15.8257 11.4711 11.4711 time since birth at metam
t_p d 10373.9 6663.33 49.947 49.947 36.1348 36.1348 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_s - 1 0.979998 1 0.973937 1 0.973904 survival probability at metam
S_j - 1 0.950241 1 0.203711 1 0.129882 survival probability at metam
S_p - 0.999871 0.0111432 1 0.00874603 1 0.00873462 survival probability at puberty
theta_0b - 0.000737606 0.0514906 0.532619 0.639175 0.607306 0.692378 frac of ind that is embryo
theta_bs - 0.00037442 0.0255026 0.0086636 0.0146777 0.00699335 0.012384 frac of ind between b and s
theta_sj - 0.000372957 0.0254816 0.240719 0.279079 0.231804 0.257975 frac of ind between s and j
theta_jp - 0.0555846 0.80414 0.169202 0.0621272 0.108959 0.0326922 frac of ind between j and p
theta_pi - 0.94293 0.093385 0.0487957 0.00494145 0.0449373 0.00457106 frac of ind that is adult
L_bi cm 0.0377207 0.00748308 0.00751718 0.00461248 0.00781986 0.00468036 mean structural length of post-natals
L2_bi cm^2 0.00150706 0.00015884 0.000108252 4.01144e-05 0.00011971 4.53606e-05 mean squared structural length of post-natals
L3_bi cm^3 6.12557e-05 5.73157e-06 2.89054e-06 1.7539e-06 3.38887e-06 2.53376e-06 mean cubed structural length of post-natals
Ww_bi g 6.46755e-05 6.05643e-06 1.30692e-05 7.93006e-06 2.70638e-05 2.02348e-05 mean wet weight of post-natals
L_pi cm 0.0395594 0.0365376 0.0248252 0.030736 0.0252938 0.0321546 mean structural length of adults
L2_pi cm^2 0.00159369 0.0014203 0.000719783 0.00145526 0.000753182 0.0016831 mean squared structural length of adults
L3_pi cm^3 6.48835e-05 5.71001e-05 2.50905e-05 0.000119623 2.71897e-05 0.00016261 mean cubed structural length of adults
Ww_pi g 6.85059e-05 6.03365e-05 0.000113444 0.000540863 0.000217139 0.00129862 mean wet weight of adults
R 1/d 0 0 42.8306 90.8218 43.7766 102.077 mean reproduction rate of adults
J_X g/d 2.45526e-06 2.45319e-07 1.04377e-05 3.10209e-06 2.32524e-05 7.30624e-06 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.249266 0.249266 0.249266 0.249266 0.249266 0.249266 yield of faeces on food
Y_VX mol/mol 0 0 0.0395389 0.0119484 0.0275419 0.00842092 yield of living structure on food
Y_VX_d mol/mol 0.00220214 0.00714858 1.84179e-09 0.0295137 7.28813e-10 0.0202719 yield of dead structure on food
Y_EX mol/mol 0 0 0.139231 0.0420747 0.19241 0.0588292 yield of living reserve on food
Y_EX_d mol/mol 0.000122943 0.000405176 6.48562e-09 0.103929 5.09154e-09 0.141621 yield of dead reserve on food
Y_CX mol/mol 0.748409 0.743181 0.571964 0.563268 0.530782 0.521591 yield of CO2 on food
Y_HX mol/mol 0.543013 0.539219 0.414992 0.408683 0.385112 0.378444 yield of H2O on food
Y_OX mol/mol -0.813895 -0.808209 -0.622011 -0.612554 -0.577226 -0.567231 yield of O2 on food
Y_NX mol/mol 0.112261 0.111477 0.0857946 0.0844903 0.0796173 0.0782387 yield of N-waste on food
mu_TX J/mol 404184 401555 309006 304319 285756 280759 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