Macruronus magellanicus: Population traits

at T = 3.6 °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_min f_max date: 2025/05/23
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.31909 0.31909 0.328238 0.328238 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00535053 0.00535053 0.00105806 0.00105806 spec pop growth rate
t2 d NaN NaN NaN NaN 129.547 129.547 655.113 655.113 population doubling time
a_b d 27.459 27.5119 27.3685 27.4207 24.8338 24.8585 24.8338 24.8585 age at birth
t_j d 36.0312 36.3445 35.5025 35.8067 23.286 23.3832 23.286 23.3832 time since birth at metam
t_p d 9357.37 11162.4 7794.51 8571.64 1984.84 2000.31 1984.84 2000.31 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_j - 0.999998 0.999998 0.177303 0.17938 0.999999 0.999999 0.104852 0.10486 survival probability at metam
S_p - 0.999998 0.999998 0.106031 0.106062 0.999999 0.999999 0.0951112 0.0955809 survival probability at puberty
theta_0b - 0.00309361 0.00311854 0.574935 0.573081 0.124291 0.124408 0.675283 0.674594 frac of ind that is embryo
theta_bj - 0.00309777 0.0031227 0.273792 0.274062 0.102588 0.102976 0.246391 0.246914 frac of ind between b and j
theta_jp - 0.000967075 0.00100252 0.0237191 0.0244861 0.00637671 0.0060752 0.00404936 0.00386122 frac of ind between j and p
theta_pi - 0.992842 0.992756 0.127554 0.128371 0.766745 0.766541 0.0742762 0.0746305 frac of ind that is adult
L_bi cm 2.55205 2.51139 0.248184 0.247791 0.564666 0.562068 0.120472 0.120415 mean structural length of post-natals
L2_bi cm^2 7.04646 6.82267 0.408579 0.402274 0.579138 0.573367 0.073512 0.0732063 mean squared structural length of post-natals
L3_bi cm^3 20.0427 19.093 1.06805 1.03482 0.846454 0.833039 0.162837 0.161025 mean cubed structural length of post-natals
Ww_bi g 51.9043 48.9521 2.81459 2.69957 5.06342 4.91582 0.974077 0.950221 mean wet weight of post-natals
L_pi cm 2.56223 2.52156 0.692365 0.689775 0.635315 0.632436 0.329583 0.328732 mean structural length of adults
L2_pi cm^2 7.07529 6.851 1.35345 1.32974 0.660759 0.654254 0.3093 0.307178 mean squared structural length of adults
L3_pi cm^3 20.1248 19.1723 3.5587 3.44097 0.966695 0.951499 0.711102 0.701332 mean cubed structural length of adults
Ww_pi g 52.1168 49.1555 9.37808 8.97651 5.7827 5.61486 4.25376 4.13861 mean wet weight of adults
R 1/d 0 0 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.178689 0.170189 0.0106391 0.0103036 0.046195 0.044991 0.00579525 0.00567705 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 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.0980403 0.0990686 0.0297296 0.030011 yield of living structure on food
Y_VX_d mol/mol 0.0176771 0.0177775 0.0404215 0.0406783 1.96784e-05 2.02127e-05 0.0602564 0.0608378 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.488429 0.485542 0.148111 0.147086 yield of living reserve on food
Y_EX_d mol/mol 0.0281009 0.0278019 0.0660995 0.0654398 9.80362e-05 9.90638e-05 0.300193 0.29817 yield of dead reserve on food
Y_CX mol/mol 0.844847 0.845046 0.784104 0.784507 0.304038 0.305895 0.352336 0.35452 yield of CO2 on food
Y_HX mol/mol 0.60782 0.607963 0.564119 0.564409 0.218738 0.220074 0.253486 0.255057 yield of H2O on food
Y_OX mol/mol -0.918771 -0.918987 -0.852713 -0.853151 -0.330641 -0.33266 -0.383165 -0.38554 yield of O2 on food
Y_NX mol/mol 0.126727 0.126757 0.117616 0.117676 0.0456056 0.0458842 0.0528503 0.053178 yield of N-waste on food
mu_TX J/mol 448206 448320 415935 416169 154780 155853 180940 182185 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female differ.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer