Macrourus holotrachys: Population traits

at T = 2.5 °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_min f_max date: 2025/05/06
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.544721 0.544721 0.579658 0.579658 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00170993 0.00170993 0.0003367 0.0003367 spec pop growth rate
t2 d NaN NaN NaN NaN 405.367 405.367 2058.65 2058.65 population doubling time
a_b d 52.9513 52.6237 52.4569 52.1369 48.6226 48.3713 48.6226 48.3713 age at birth
t_j d 108.127 105.014 103.461 100.542 73.1542 71.4883 73.1542 71.4883 time since birth at metam
t_p d 23942.3 168.081 16095.5 160.899 6220.74 114.294 6220.74 114.294 time since birth at puberty
S_b - 0.999998 0.999998 0.999998 0.999998 0.999999 0.999999 0.999999 0.999999 survival probability at birth
S_j - 0.999992 0.999992 0.29587 0.28773 0.999994 0.999994 0.202098 0.196333 survival probability at metam
S_p - 0.999983 0.999984 0.090543 0.0905089 0.999991 0.999992 0.090198 0.0901798 survival probability at puberty
theta_0b - 0.00342314 0.00335246 0.501789 0.507619 0.0797096 0.079312 0.583593 0.587836 frac of ind that is embryo
theta_bj - 0.00342882 0.00335805 0.2906 0.290718 0.0734524 0.0731185 0.287498 0.28653 frac of ind between b and j
theta_jp - 0.00357281 0.00334311 0.0847404 0.0804969 0.0348046 0.0328647 0.0397644 0.037333 frac of ind between j and p
theta_pi - 0.989575 0.989946 0.122871 0.121166 0.812033 0.814705 0.0891445 0.0883015 frac of ind that is adult
L_bi cm 4.67313 4.87265 0.311003 0.313095 1.03111 1.05557 0.200964 0.20167 mean structural length of post-natals
L2_bi cm^2 25.113 27.2994 0.750861 0.78452 1.90644 2.00199 0.212556 0.21757 mean squared structural length of post-natals
L3_bi cm^3 142.8 161.822 3.69565 4.0257 4.92796 5.31393 0.784802 0.827274 mean cubed structural length of post-natals
Ww_bi g 251.622 290.304 6.69257 7.42698 11.8221 13.0593 1.88273 2.03308 mean wet weight of post-natals
L_pi cm 4.70538 4.90486 0.959449 0.969828 1.15336 1.17804 0.576539 0.579455 mean structural length of adults
L2_pi cm^2 25.2906 27.4841 3.01335 3.15673 2.15877 2.26064 0.955424 0.978123 mean squared structural length of adults
L3_pi cm^3 143.811 162.917 14.9816 16.3558 5.58471 6.00498 3.66185 3.85738 mean cubed structural length of adults
Ww_pi g 253.403 292.269 27.1306 30.1746 13.3976 14.7577 8.78472 9.47979 mean wet weight of adults
R 1/d 0 79.3964 0 9.00699 0 6.42482 0 2.97281 mean reproduction rate of adults
J_X g/d 0.314253 0.355966 0.00996497 0.0108507 0.0438511 0.0479812 0.00482576 0.00514837 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 0.19216 0.189375 0.0547567 0.0541031 yield of living structure on food
Y_VX_d mol/mol 0.0514679 0.0507201 0.0960581 0.0946308 0.000384911 0.000364144 0.118021 0.116309 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.26883 0.276027 0.0766039 0.078859 yield of living reserve on food
Y_EX_d mol/mol 0.0392215 0.0402702 0.0778967 0.0799527 0.000538485 0.000530765 0.16511 0.169528 yield of dead reserve on food
Y_CX mol/mol 0.799936 0.799635 0.71667 0.716041 0.428712 0.424329 0.476133 0.471826 yield of CO2 on food
Y_HX mol/mol 0.575509 0.575293 0.515604 0.515152 0.308434 0.305281 0.342551 0.339453 yield of H2O on food
Y_OX mol/mol -0.86993 -0.869603 -0.779379 -0.778695 -0.466224 -0.461458 -0.517795 -0.513111 yield of O2 on food
Y_NX mol/mol 0.11999 0.119945 0.107501 0.107406 0.0643067 0.0636493 0.0714199 0.0707739 yield of N-waste on food
mu_TX J/mol 425194 424991 381628 381211 228075 225524 253168 250681 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