Merluccius merluccius: Population traits

at T = 19 °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: 2025/05/22
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.362074 0.362074 0.362074 0.362074 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0091962 0.0091962 0.00239911 0.00239911 spec pop growth rate
t2 d NaN NaN NaN NaN 75.3732 75.3732 288.919 288.919 population doubling time
a_b d 5.6203 5.70574 5.6203 5.70574 5.39219 5.42879 5.39219 5.42879 age at birth
t_j d 0.0387707 0.0412737 0.0387707 0.0412737 0.0327071 0.0336106 0.0327071 0.0336106 time since birth at metam
t_p d 4154.89 2566.24 4154.89 2566.24 1301.24 1018.61 1301.24 1018.61 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_j - 1 1 0.983453 0.98347 1 1 0.983414 0.983419 survival probability at metam
S_p - 1 1 0.304066 0.31752 1 1 0.268868 0.274342 survival probability at puberty
theta_0b - 0.000634657 0.000707108 0.428459 0.411016 0.0481902 0.0485428 0.49416 0.489018 frac of ind that is embryo
theta_bj - 4.39583e-06 5.13194e-06 0.00294302 0.00295829 0.000286244 0.000294042 0.00296552 0.00299305 frac of ind between b and j
theta_jp - 0.000632835 0.000704316 0.233498 0.228628 0.0457608 0.0460408 0.250626 0.250275 frac of ind between j and p
theta_pi - 0.998728 0.998583 0.3351 0.357398 0.905763 0.905122 0.252248 0.257714 frac of ind that is adult
L_bi cm 2.94323 2.35287 0.296727 0.299834 0.436856 0.421423 0.0936848 0.0934799 mean structural length of post-natals
L2_bi cm^2 9.12937 5.81112 0.632286 0.528525 0.347055 0.319545 0.04048 0.0393497 mean squared structural length of post-natals
L3_bi cm^3 28.863 14.6073 1.86045 1.24336 0.395804 0.344853 0.0577885 0.052828 mean cubed structural length of post-natals
Ww_bi g 256.699 105.914 16.5462 9.01534 9.02485 6.29836 1.31765 0.964844 mean wet weight of post-natals
L_pi cm 2.94509 2.35452 0.484359 0.474358 0.457341 0.441273 0.156049 0.154383 mean structural length of adults
L2_pi cm^2 9.13519 5.81525 1.07773 0.870378 0.364639 0.335844 0.080132 0.0770109 mean squared structural length of adults
L3_pi cm^3 28.8815 14.6176 3.17312 2.04901 0.415923 0.362505 0.115849 0.104711 mean cubed structural length of adults
Ww_pi g 256.863 105.989 28.2207 14.8569 9.4836 6.62074 2.64152 1.91242 mean wet weight of adults
R 1/d 0 186.471 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 1.26236 0.636289 0.0874289 0.0578708 0.132541 0.0966357 0.0154593 0.0119 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 0.0274624 0.0328175 0.0089681 0.0106505 yield of living structure on food
Y_VX_d mol/mol 0.00322133 0.00348732 0.00803829 0.00882598 6.59416e-07 9.95092e-07 0.0176545 0.0209479 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.598718 0.566557 0.195516 0.183868 yield of living reserve on food
Y_EX_d mol/mol 0.0254282 0.0217985 0.0634517 0.0551694 1.43762e-05 1.71791e-05 0.384892 0.361643 yield of dead reserve on food
Y_CX mol/mol 0.861976 0.865339 0.819135 0.82663 0.26443 0.291232 0.283593 0.313516 yield of CO2 on food
Y_HX mol/mol 0.620143 0.622563 0.589322 0.594714 0.190243 0.209525 0.20403 0.225557 yield of H2O on food
Y_OX mol/mol -0.937398 -0.941056 -0.890809 -0.89896 -0.287568 -0.316715 -0.308408 -0.340948 yield of O2 on food
Y_NX mol/mol 0.129296 0.129801 0.12287 0.123994 0.0396645 0.0436849 0.042539 0.0470274 yield of N-waste on food
mu_TX J/mol 456904 458767 433582 437744 129466 144475 139964 156670 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