Trachurus picturatus: Population traits

at T = 13.1 °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: 2025/05/22
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.379728 0.384546 0.692273 0.692273 1 1 scaled functional response
r 1/d 0 0 0.00387849 0.000867693 0.00547011 0.00118823 spec pop growth rate
t2 d NaN NaN 178.716 798.839 126.715 583.346 population doubling time
a_b d 22.075 22.0319 20.2381 20.2381 19.3481 19.3481 age at birth
t_j d 24.9373 24.7065 16.6948 16.6948 13.6521 13.6521 time since birth at metam
t_p d 8540.45 7717.87 2338.11 2338.11 1687.26 1687.26 time since birth at puberty
S_b - 0.999999 0.999999 1 1 1 1 survival probability at birth
S_j - 0.999997 0.327331 0.999998 0.284954 0.999999 0.284641 survival probability at metam
S_p - 0.999997 0.285832 0.999998 0.240388 0.999998 0.20631 survival probability at puberty
theta_0b - 0.00251623 0.397164 0.0753921 0.507079 0.100256 0.549654 frac of ind that is embryo
theta_bj - 0.00252097 0.239672 0.0579824 0.235197 0.0647497 0.217323 frac of ind between b and j
theta_jp - 0.000326864 0.0147863 0.0118305 0.0227044 0.0256178 0.0380958 frac of ind between j and p
theta_pi - 0.994636 0.348378 0.854795 0.235019 0.809377 0.194927 frac of ind that is adult
L_bi cm 2.48215 0.351232 0.563887 0.1843 0.511723 0.177436 mean structural length of post-natals
L2_bi cm^2 6.84472 0.559336 0.539071 0.123712 0.452609 0.112377 mean squared structural length of post-natals
L3_bi cm^3 19.683 1.4037 0.712857 0.221173 0.568485 0.203579 mean cubed structural length of post-natals
Ww_bi g 33.1372 2.37536 1.60119 0.496789 1.59181 0.570038 mean wet weight of post-natals
L_pi cm 2.48905 0.55833 0.603903 0.31006 0.560233 0.316103 mean structural length of adults
L2_pi cm^2 6.86431 0.964486 0.582642 0.254028 0.502458 0.252719 mean squared structural length of adults
L3_pi cm^3 19.7394 2.42873 0.771043 0.463485 0.631901 0.46981 mean cubed structural length of adults
Ww_pi g 33.2321 4.10994 1.73188 1.04106 1.76938 1.31551 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.0969355 0.00801664 0.0139314 0.00318624 0.016902 0.00418072 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 0.198459 0.0602309 0.183982 0.0578602 yield of living structure on food
Y_VX_d mol/mol 0.0361799 0.0748358 0.000155287 0.120933 6.54852e-05 0.114738 yield of dead structure on food
Y_EX mol/mol 0 0 0.24731 0.0750569 0.331184 0.104154 yield of living reserve on food
Y_EX_d mol/mol 0.0247306 0.0518025 0.000193511 0.150701 0.000117879 0.206538 yield of dead reserve on food
Y_CX mol/mol 0.829715 0.763987 0.444507 0.483703 0.375275 0.407335 yield of CO2 on food
Y_HX mol/mol 0.596933 0.549646 0.319798 0.347997 0.269989 0.293055 yield of H2O on food
Y_OX mol/mol -0.902315 -0.830836 -0.483402 -0.526027 -0.408111 -0.442977 yield of O2 on food
Y_NX mol/mol 0.124457 0.114598 0.0666761 0.0725554 0.0562912 0.0611003 yield of N-waste on food
mu_TX J/mol 440808 406591 237066 257751 198260 215320 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