Merlangius merlangus: Population traits

at T = 11 °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: 2023/09/03
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.139784 0.139784 0.139784 0.139784 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0380202 0.0380202 0.00590958 0.00590958 spec pop growth rate
t2 d NaN NaN NaN NaN 18.231 18.231 117.292 117.292 population doubling time
a_b d 10.369 10.5836 10.369 10.5836 7.51051 7.65444 7.51051 7.65444 age at birth
t_j d 163.635 187.016 163.635 187.016 28.7828 31.4645 28.7828 31.4645 time since birth at metam
t_p d 3331.2 NaN 3331.2 NaN 247.204 282.137 247.204 282.137 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_j - 1 1 0.744631 0.769046 1 1 0.291099 0.316574 survival probability at metam
S_p - 0.999982 0.999973 0.00952967 0.00965464 0.999999 0.999999 0.00883133 0.00884381 survival probability at puberty
theta_0b - 0.0013247 0.00140216 0.218928 0.199358 0.248061 0.252159 0.563354 0.546958 frac of ind that is embryo
theta_bj - 0.00132942 0.00140746 0.190278 0.175993 0.186782 0.188831 0.311579 0.312581 frac of ind between b and j
theta_jp - 0.0196502 0.0234626 0.547731 0.578677 0.313435 0.332927 0.11703 0.13232 frac of ind between j and p
theta_pi - 0.977696 0.973728 0.0430625 0.0459714 0.251723 0.226083 0.00803658 0.00814123 frac of ind that is adult
L_bi cm 1.71499 1.49852 0.13158 0.128196 0.257828 0.233103 0.0791484 0.0786048 mean structural length of post-natals
L2_bi cm^2 3.11055 2.38132 0.108376 0.0917943 0.150733 0.12222 0.0171541 0.0160084 mean squared structural length of post-natals
L3_bi cm^3 5.74327 3.85509 0.180797 0.133189 0.142242 0.104766 0.0253886 0.0211695 mean cubed structural length of post-natals
Ww_bi g 6.49046 4.29743 0.204319 0.148472 0.27463 0.190761 0.0490184 0.0385463 mean wet weight of post-natals
L_pi cm 1.7493 1.53383 1.1845 1.08177 0.565959 0.537082 0.587513 0.574369 mean structural length of adults
L2_pi cm^2 3.17695 2.44174 1.86953 1.50668 0.424611 0.375262 0.637873 0.590311 mean squared structural length of adults
L3_pi cm^3 5.86645 3.95349 3.27013 2.31087 0.421088 0.342275 1.3516 1.14968 mean cubed structural length of adults
Ww_pi g 6.62968 4.40711 3.69557 2.57602 0.813004 0.623227 2.60957 2.09339 mean wet weight of adults
R 1/d 6.07486 0 0 0 0 0 9.00131 0 mean reproduction rate of adults
J_X g/d 0.0636224 0.0427695 0.00215356 0.00159356 0.0221492 0.0157366 0.00208882 0.00169034 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 0.244165 0.253117 0.0718281 0.0740106 yield of living structure on food
Y_VX_d mol/mol 0.0142211 0.0148461 0.0398389 0.0418339 6.49005e-07 7.62892e-07 0.165428 0.172342 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.22725 0.207768 0.066852 0.0607508 yield of living reserve on food
Y_EX_d mol/mol 0.00185016 0.00170344 0.00518303 0.00480001 6.04043e-07 6.26212e-07 0.153967 0.141465 yield of dead reserve on food
Y_CX mol/mol 0.874554 0.874075 0.845603 0.843991 0.419208 0.429739 0.43255 0.442057 yield of CO2 on food
Y_HX mol/mol 0.629193 0.628849 0.608364 0.607205 0.301597 0.309173 0.311195 0.318035 yield of H2O on food
Y_OX mol/mol -0.951077 -0.950557 -0.919593 -0.91784 -0.455889 -0.467341 -0.470398 -0.480737 yield of O2 on food
Y_NX mol/mol 0.131183 0.131111 0.12684 0.126599 0.0628812 0.0644608 0.0648825 0.0663085 yield of N-waste on food
mu_TX J/mol 464372 464140 449730 448943 225429 231668 232421 238105 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