Thunnus alalunga: Population traits

at T = 17.5 °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 - 0.566112 0.602421 0.801211 0.801211 1 1 scaled functional response
r 1/d 0 0 0.00540993 0.000672757 0.00757097 0.0010015 spec pop growth rate
t2 d NaN NaN 128.125 1030.31 91.5533 692.106 population doubling time
a_b d 2.93524 2.90496 2.77176 2.77176 2.67519 2.67519 age at birth
t_j d 9.7441 9.25093 7.34701 7.34701 6.20301 6.20301 time since birth at metam
t_p d 9355.43 4470.35 2134.35 2134.35 1547.44 1547.44 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.458818 1 0.392104 1 0.342872 survival probability at metam
S_p - 0.999999 0.0836534 1 0.0836073 1 0.0835802 survival probability at puberty
theta_0b - 0.000502801 0.396046 0.014783 0.444523 0.0199154 0.478652 frac of ind that is embryo
theta_bj - 0.000506478 0.277106 0.0146666 0.290196 0.0196529 0.295204 frac of ind between b and j
theta_jp - 0.00117488 0.192099 0.0237335 0.146941 0.0253154 0.116141 frac of ind between j and p
theta_pi - 0.997816 0.134749 0.946817 0.118341 0.935116 0.110002 frac of ind that is adult
L_bi cm 14.9512 0.356385 2.96639 0.241817 2.60136 0.229039 mean structural length of post-natals
L2_bi cm^2 249.547 2.62881 15.7832 0.853355 12.4746 0.702242 mean squared structural length of post-natals
L3_bi cm^3 4346.21 41.1814 114.998 11.0815 83.9617 8.99661 mean cubed structural length of post-natals
Ww_bi g 5380.34 51.6085 153.724 14.8132 119.251 12.7779 mean wet weight of post-natals
L_pi cm 14.9762 1.28051 3.08237 0.799034 2.72133 0.745355 mean structural length of adults
L2_pi cm^2 249.968 11.7522 16.4229 3.97342 13.0739 3.29571 mean squared structural length of adults
L3_pi cm^3 4353.53 184.574 119.662 52.0119 87.9993 42.6355 mean cubed structural length of adults
Ww_pi g 5389.41 231.308 159.959 69.527 124.986 60.5554 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 28.1927 0.315764 2.52419 0.136086 2.4903 0.1397 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 0.369702 0.0821741 0.382888 0.0967445 yield of living structure on food
Y_VX_d mol/mol 0.0625512 0.124529 0.00037997 0.185232 0.000183257 0.2036 yield of dead structure on food
Y_EX mol/mol 0 0 0.124498 0.0276722 0.160929 0.040662 yield of living reserve on food
Y_EX_d mol/mol 0.0148834 0.0315306 0.000127955 0.0623771 7.70235e-05 0.0855735 yield of dead reserve on food
Y_CX mol/mol 0.81319 0.734566 0.395917 0.53317 0.346548 0.464045 yield of CO2 on food
Y_HX mol/mol 0.585476 0.529346 0.287589 0.385572 0.252344 0.336225 yield of H2O on food
Y_OX mol/mol -0.884345 -0.79884 -0.43056 -0.579822 -0.376871 -0.504649 yield of O2 on food
Y_NX mol/mol 0.121979 0.110185 0.0593875 0.0799755 0.0519822 0.0696068 yield of N-waste on food
mu_TX J/mol 433039 392894 218915 289270 192411 252898 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