Trachurus mediterraneus: Population traits

at T = 17 °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: 2025/05/19
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.209867 0.209867 0.604934 0.604934 1 1 scaled functional response
r 1/d 0 0 0.0105294 0.00120605 0.0142906 0.00144904 spec pop growth rate
t2 d NaN NaN 65.8298 574.723 48.5039 478.348 population doubling time
a_b d 9.50318 9.50318 8.20145 8.20145 7.79264 7.79264 age at birth
t_j d 8.68411 8.68411 4.41971 4.41971 3.53938 3.53938 time since birth at metam
t_p d 2984.06 2984.06 619.047 619.047 457.962 457.962 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.390821 1 0.387535 1 0.386928 survival probability at metam
S_p - 1 0.368729 1 0.240307 1 0.203237 survival probability at puberty
theta_0b - 0.000601962 0.275588 0.0825969 0.504353 0.105186 0.549468 frac of ind that is embryo
theta_bj - 0.000551279 0.163647 0.0417149 0.174669 0.0441339 0.160237 frac of ind between b and j
theta_jp - 5.19955e-05 0.00903645 0.0341843 0.0702176 0.0501656 0.0831409 frac of ind between j and p
theta_pi - 0.998795 0.551728 0.841504 0.250761 0.800514 0.207155 frac of ind that is adult
L_bi cm 1.64375 0.649355 0.433688 0.182819 0.415953 0.179617 mean structural length of post-natals
L2_bi cm^2 2.76222 0.950268 0.318539 0.15436 0.300197 0.162052 mean squared structural length of post-natals
L3_bi cm^3 4.67888 1.56185 0.32545 0.333057 0.309789 0.431467 mean cubed structural length of post-natals
Ww_bi g 6.60204 2.20381 0.711036 0.727655 0.91652 1.27651 mean wet weight of post-natals
L_pi cm 1.64471 0.836141 0.46729 0.30545 0.457366 0.321049 mean structural length of adults
L2_pi cm^2 2.76389 1.24682 0.346924 0.301817 0.335054 0.348169 mean squared structural length of adults
L3_pi cm^3 4.6817 2.05064 0.354782 0.658113 0.346247 0.938108 mean cubed structural length of adults
Ww_pi g 6.60603 2.89351 0.775119 1.43783 1.02438 2.77542 mean wet weight of adults
R 1/d 0.443949 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.039973 0.0137503 0.013324 0.00645091 0.0207679 0.0112015 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 0.25719 0.0622678 0.213169 0.0558152 yield of living structure on food
Y_VX_d mol/mol 0.00812276 0.0223833 8.7755e-07 0.122735 3.59404e-07 0.1103 yield of dead structure on food
Y_EX mol/mol 0 0 0.304713 0.0737735 0.417496 0.109316 yield of living reserve on food
Y_EX_d mol/mol 0.0033387 0.00920021 1.0397e-06 0.145414 7.03903e-07 0.216025 yield of dead reserve on food
Y_CX mol/mol 0.879164 0.859042 0.328721 0.486434 0.259959 0.399169 yield of CO2 on food
Y_HX mol/mol 0.632509 0.618033 0.236496 0.349963 0.187026 0.28718 yield of H2O on food
Y_OX mol/mol -0.95609 -0.934208 -0.357484 -0.528997 -0.282706 -0.434096 yield of O2 on food
Y_NX mol/mol 0.131875 0.128856 0.0493081 0.0729652 0.0389939 0.0598754 yield of N-waste on food
mu_TX J/mol 466602 456248 176312 259445 136292 210505 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