Thunnus thynnus: Population traits

at T = 24 °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 - 0.2372 0.237888 0.618944 0.618944 1 1 scaled functional response
r 1/d 0 0 0.00914986 0.00179258 0.0106497 0.00178451 spec pop growth rate
t2 d NaN NaN 75.7549 386.675 65.0861 388.424 population doubling time
a_b d 1.44478 1.4444 1.35638 1.35638 1.32999 1.32999 age at birth
t_j d 9.94531e-05 9.93435e-05 7.60781e-05 7.60781e-05 7.05473e-05 7.05473e-05 time since birth at metam
t_p d 6829.93 6740.73 1672.54 1672.54 1410.94 1410.94 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.999856 1 0.999856 1 0.999856 survival probability at metam
S_p - 1 0.346664 1 0.290053 1 0.275243 survival probability at puberty
theta_0b - 0.000113753 0.399881 0.0118905 0.455831 0.0135671 0.469789 frac of ind that is embryo
theta_bj - 8.1017e-09 2.84544e-05 6.8783e-07 2.65033e-05 7.41115e-07 2.58183e-05 frac of ind between b and j
theta_jp - 0.000117687 0.24355 0.0121867 0.254212 0.0138726 0.255101 frac of ind between j and p
theta_pi - 0.999769 0.35654 0.975922 0.28993 0.97256 0.275084 frac of ind that is adult
L_bi cm 9.11064 0.166269 0.8981 0.0722563 0.844585 0.0728119 mean structural length of post-natals
L2_bi cm^2 88.4083 0.834274 1.54055 0.0613194 1.37897 0.0647993 mean squared structural length of post-natals
L3_bi cm^3 877.833 7.35149 3.84315 0.230517 3.31565 0.25887 mean cubed structural length of post-natals
Ww_bi g 3114.73 26.1389 29.397 1.76327 38.9351 3.03986 mean wet weight of post-natals
L_pi cm 9.11171 0.268205 0.909079 0.120045 0.856359 0.123676 mean structural length of adults
L2_pi cm^2 88.4187 1.40402 1.55978 0.114805 1.39863 0.124587 mean squared structural length of adults
L3_pi cm^3 877.936 12.3738 3.89114 0.432651 3.36295 0.498952 mean cubed structural length of adults
Ww_pi g 3115.1 43.9962 29.7641 3.30944 39.4905 5.85911 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 13.727 0.129912 0.624157 0.0248437 0.902654 0.0424168 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 0.0845083 0.0249492 0.058678 0.0163363 yield of living structure on food
Y_VX_d mol/mol 0.0101413 0.0238895 1.37935e-06 0.0534866 6.72675e-07 0.0376369 yield of dead structure on food
Y_EX mol/mol 0 0 0.561913 0.165892 0.630367 0.175498 yield of living reserve on food
Y_EX_d mol/mol 0.0258421 0.0610517 9.17159e-06 0.355643 7.22643e-06 0.404326 yield of dead reserve on food
Y_CX mol/mol 0.854642 0.805684 0.244193 0.290654 0.201572 0.256827 yield of CO2 on food
Y_HX mol/mol 0.615067 0.580117 0.179275 0.212442 0.148848 0.188294 yield of H2O on food
Y_OX mol/mol -0.929423 -0.876181 -0.26556 -0.316086 -0.219209 -0.2793 yield of O2 on food
Y_NX mol/mol 0.128196 0.120853 0.036629 0.043598 0.0302358 0.0385241 yield of N-waste on food
mu_TX J/mol 453216 426977 121188 146438 96454.6 126610 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