Krefftichthys anderssoni: Population traits

at T = 3.1 °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: 2025/05/22
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.330832 0.7622 0.8811 0.8811 1 1 scaled functional response
r 1/d 0 0 0.0159744 0.000114483 0.0199824 0.000241346 spec pop growth rate
t2 d NaN NaN 43.3911 6054.59 34.6879 2872.01 population doubling time
a_b d 23.4027 21.6561 21.4427 21.4427 21.2749 21.2749 age at birth
t_j d 69.7387 43.1148 40.8417 40.8417 39.158 39.158 time since birth at metam
t_p d 2021.04 357.952 318.055 318.055 291.821 291.821 time since birth at puberty
S_b - 0.999995 0.999996 0.999996 0.999996 0.999996 0.999996 survival probability at birth
S_j - 0.99997 0.126572 0.999982 0.11443 0.999982 0.105517 survival probability at metam
S_p - 0.999887 0.0163252 0.999965 0.0160994 0.999968 0.0159351 survival probability at puberty
theta_0b - 0.0178479 0.658305 0.290031 0.671738 0.346296 0.681956 frac of ind that is embryo
theta_bj - 0.0178546 0.278245 0.205948 0.273912 0.226405 0.270151 frac of ind between b and j
theta_jp - 0.0353493 0.035121 0.134336 0.030341 0.128406 0.0269212 frac of ind between j and p
theta_pi - 0.928948 0.028329 0.369684 0.0240088 0.298893 0.020972 frac of ind that is adult
L_bi cm 0.240295 0.0627218 0.149357 0.0601537 0.129613 0.057735 mean structural length of post-natals
L2_bi cm^2 0.061082 0.0175328 0.0396481 0.0175224 0.0311141 0.0170957 mean squared structural length of post-natals
L3_bi cm^3 0.0158127 0.00943993 0.0139393 0.0106587 0.0103325 0.011471 mean cubed structural length of post-natals
Ww_bi g 0.0366234 0.0380625 0.0627975 0.0480182 0.0514361 0.0571035 mean wet weight of post-natals
L_pi cm 0.251334 0.387895 0.243782 0.399171 0.228568 0.401624 mean structural length of adults
L2_pi cm^2 0.0644327 0.197739 0.0737995 0.223761 0.0650879 0.241516 mean squared structural length of adults
L3_pi cm^3 0.0167095 0.113272 0.0266251 0.14505 0.0224161 0.173194 mean cubed structural length of adults
Ww_pi g 0.0387004 0.45672 0.119948 0.653462 0.111589 0.862168 mean wet weight of adults
R 1/d 0.251094 2.48907 0.493662 2.94895 0.375938 3.25989 mean reproduction rate of adults
J_X g/d 0.00140995 0.000951309 0.00256163 0.00110341 0.0022788 0.00122424 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 0.0869261 0.00110588 0.0906044 0.0022614 yield of living structure on food
Y_VX_d mol/mol 0.0105856 0.027667 8.91967e-05 0.0274982 5.02246e-05 0.0274678 yield of dead structure on food
Y_EX mol/mol 0 0 0.304682 0.0038762 0.36043 0.00899597 yield of living reserve on food
Y_EX_d mol/mol 0.0139314 0.0838886 0.00031264 0.0963832 0.000199796 0.109269 yield of dead reserve on food
Y_CX mol/mol 0.866108 0.779069 0.498615 0.761761 0.439341 0.742631 yield of CO2 on food
Y_HX mol/mol 0.623117 0.560497 0.358726 0.548045 0.316081 0.534282 yield of H2O on food
Y_OX mol/mol -0.941892 -0.847238 -0.542244 -0.828416 -0.477783 -0.807611 yield of O2 on food
Y_NX mol/mol 0.129916 0.11686 0.0747923 0.114264 0.0659011 0.111395 yield of N-waste on food
mu_TX J/mol 459545 412528 261245 403055 228826 392590 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