Berryteuthis magister: Population traits

at T = 14 °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 - NaN NaN NaN NaN 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00246265 0.00246265 0.000452675 0.000452675 spec pop growth rate
t2 d NaN NaN NaN NaN 281.464 281.464 1531.22 1531.22 population doubling time
a_b d NaN NaN NaN NaN 34.4997 34.7005 34.4997 34.7005 age at birth
t_j d NaN NaN NaN NaN 123.92 127.477 123.92 127.477 time since birth at metam
t_p d NaN NaN NaN NaN 291.967 261.885 291.967 261.885 time since birth at puberty
S_b - NaN NaN NaN NaN 1 1 1 1 survival probability at birth
S_j - NaN NaN NaN NaN 1 1 0.102653 0.108098 survival probability at metam
S_p - NaN NaN NaN NaN 1 1 0.00028117 0.000282249 survival probability at puberty
theta_0b - NaN NaN NaN NaN 0.146644 0.151612 0.69775 0.692941 frac of ind that is embryo
theta_bj - NaN NaN NaN NaN 0.134734 0.139229 0.271601 0.274285 frac of ind between b and j
theta_jp - NaN NaN NaN NaN 0.300316 0.318768 0.030454 0.0325816 frac of ind between j and p
theta_pi - NaN NaN NaN NaN 0.418307 0.390392 0.000195192 0.000192656 frac of ind that is adult
L_bi cm NaN NaN NaN NaN 1.39188 1.23869 0.0953392 0.0951851 mean structural length of post-natals
L2_bi cm^2 NaN NaN NaN NaN 3.59509 2.8749 0.0137869 0.0134247 mean squared structural length of post-natals
L3_bi cm^3 NaN NaN NaN NaN 10.9972 7.94927 0.00899504 0.00760598 mean cubed structural length of post-natals
Ww_bi g NaN NaN NaN NaN 51.1113 34.5013 0.0418058 0.0330113 mean wet weight of post-natals
L_pi cm NaN NaN NaN NaN 2.51622 2.3285 1.86854 1.79085 mean structural length of adults
L2_pi cm^2 NaN NaN NaN NaN 7.1739 6.06812 4.1567 3.73096 mean squared structural length of adults
L3_pi cm^3 NaN NaN NaN NaN 22.333 17.1615 10.7929 8.90497 mean cubed structural length of adults
Ww_pi g NaN NaN NaN NaN 103.796 74.484 50.1618 38.6492 mean wet weight of adults
R 1/d NaN NaN NaN NaN 71.4137 64.8351 31.5395 33.7635 mean reproduction rate of adults
J_X g/d NaN NaN NaN NaN 1.55504 1.13451 0.00208392 0.00176797 mean ingestion rate of wet food by post-natals
Y_PX mol/mol NaN NaN NaN NaN 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol NaN NaN NaN NaN 0.0174159 0.0172553 0.00195393 0.00194746 yield of living structure on food
Y_VX_d mol/mol NaN NaN NaN NaN 0.106122 0.114915 0.140485 0.151195 yield of dead structure on food
Y_EX mol/mol NaN NaN NaN NaN 0.0635271 0.0576359 0.00712725 0.00650485 yield of living reserve on food
Y_EX_d mol/mol NaN NaN NaN NaN 0.387094 0.383838 0.512438 0.50502 yield of dead reserve on food
Y_CX mol/mol NaN NaN NaN NaN 0.316467 0.316981 0.228621 0.225958 yield of CO2 on food
Y_HX mol/mol NaN NaN NaN NaN 0.227505 0.227874 0.164353 0.162439 yield of H2O on food
Y_OX mol/mol NaN NaN NaN NaN -0.344158 -0.344717 -0.248625 -0.245729 yield of O2 on food
Y_NX mol/mol NaN NaN NaN NaN 0.04747 0.0475471 0.0342932 0.0338937 yield of N-waste on food
mu_TX J/mol NaN NaN NaN NaN 162890 163604 115520 114590 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