Merluccius senegalensis: Population traits

at T = 16 °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: 2025/05/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.261915 0.261915 0.630957 0.630957 1 1 scaled functional response
r 1/d 0 0 0.0245377 0.00288723 0.0344418 0.0035025 spec pop growth rate
t2 d NaN NaN 28.2483 240.074 20.1252 197.901 population doubling time
a_b d 10.9581 10.9581 9.94496 9.94496 9.60327 9.60327 age at birth
t_j d 38.8169 38.8169 24.5075 24.5075 20.974 20.974 time since birth at metam
t_p d 1983.41 1983.41 391.846 391.846 299.491 299.491 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.241108 1 0.12733 1 0.0973274 survival probability at metam
S_p - 1 0.0064805 1 0.00622691 1 0.00616965 survival probability at puberty
theta_0b - 0.00142528 0.570413 0.216444 0.676947 0.281512 0.703911 frac of ind that is embryo
theta_bj - 0.00142639 0.304546 0.169666 0.279974 0.202339 0.265469 frac of ind between b and j
theta_jp - 0.00362631 0.0941565 0.184448 0.0376774 0.167255 0.0258982 frac of ind between j and p
theta_pi - 0.993522 0.0308853 0.429442 0.00540226 0.348894 0.00472106 frac of ind that is adult
L_bi cm 2.38374 0.198779 0.504143 0.0753089 0.424156 0.074441 mean structural length of post-natals
L2_bi cm^2 5.77604 0.327045 0.545422 0.0278749 0.410272 0.0270436 mean squared structural length of post-natals
L3_bi cm^3 14.0656 0.773471 0.839093 0.0726028 0.593305 0.0833901 mean cubed structural length of post-natals
Ww_bi g 27.1503 1.493 2.71951 0.235307 2.70058 0.379572 mean wet weight of post-natals
L_pi cm 2.3953 1.95037 0.833315 0.791211 0.763795 0.76642 mean structural length of adults
L2_pi cm^2 5.80533 4.48947 0.983841 1.39611 0.830674 1.41092 mean squared structural length of adults
L3_pi cm^3 14.1371 10.753 1.52925 4.31741 1.21962 5.20439 mean cubed structural length of adults
Ww_pi g 27.2883 20.7561 4.9563 13.9928 5.55142 23.6892 mean wet weight of adults
R 1/d 17.249 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.556554 0.0312595 0.127797 0.00589457 0.152522 0.00905443 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 0.161109 0.0355617 0.133977 0.0322576 yield of living structure on food
Y_VX_d mol/mol 0.00348632 0.0109036 2.4417e-07 0.0795826 8.8605e-08 0.0709947 yield of dead structure on food
Y_EX mol/mol 0 0 0.361048 0.0796941 0.475855 0.114571 yield of living reserve on food
Y_EX_d mol/mol 0.00324318 0.0101432 5.47188e-07 0.178346 3.14704e-07 0.252156 yield of dead reserve on food
Y_CX mol/mol 0.883896 0.869578 0.368467 0.517441 0.280792 0.420645 yield of CO2 on food
Y_HX mol/mol 0.635914 0.625613 0.265091 0.37227 0.202014 0.302631 yield of H2O on food
Y_OX mol/mol -0.961236 -0.945666 -0.400707 -0.562717 -0.305362 -0.457451 yield of O2 on food
Y_NX mol/mol 0.132584 0.130437 0.05527 0.0776162 0.0421188 0.0630967 yield of N-waste on food
mu_TX J/mol 468973 461469 193368 273006 143791 219174 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