Hymenocephalus italicus: Population traits

at T = 12.6 °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: 2023/09/04
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.385796 0.385796 0.471176 0.471176 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0038796 0.0038796 0.00077692 0.00077692 spec pop growth rate
t2 d NaN NaN NaN NaN 178.665 178.665 892.174 892.174 population doubling time
a_b d 78.0841 78.2939 75.4724 75.6738 66.7387 66.9013 66.7387 66.9013 age at birth
t_j d 172.71 175.61 140.816 143.026 72.8356 73.7243 72.8356 73.7243 time since birth at metam
t_p d 5457.52 6122.5 2806.47 2906.36 996.93 1012.54 996.93 1012.54 time since birth at puberty
S_b - 0.999943 0.999942 0.999948 0.999947 0.999963 0.999962 0.999963 0.999962 survival probability at birth
S_j - 0.999669 0.99966 0.538003 0.542622 0.999813 0.999808 0.335529 0.339222 survival probability at metam
S_p - 0.999076 0.999032 0.314531 0.314885 0.999795 0.999788 0.303671 0.303808 survival probability at puberty
theta_0b - 0.0179 0.0180581 0.247736 0.245203 0.228318 0.22881 0.446683 0.444496 frac of ind that is embryo
theta_bj - 0.0179247 0.0180832 0.184876 0.183692 0.176335 0.176605 0.259442 0.259296 frac of ind between b and j
theta_jp - 0.0217125 0.0224664 0.0894138 0.0914499 0.0139465 0.0155664 0.0120354 0.0134419 frac of ind between j and p
theta_pi - 0.942463 0.941392 0.477974 0.479655 0.581401 0.579019 0.28184 0.282766 frac of ind that is adult
L_bi cm 0.820664 0.807277 0.512779 0.508771 0.492368 0.488143 0.410244 0.408891 mean structural length of post-natals
L2_bi cm^2 0.744226 0.719831 0.39728 0.388622 0.330082 0.323632 0.298139 0.294571 mean squared structural length of post-natals
L3_bi cm^3 0.711789 0.67694 0.391362 0.376573 0.285712 0.27669 0.360729 0.351827 mean cubed structural length of post-natals
Ww_bi g 0.903778 0.85668 0.520284 0.498689 0.485465 0.467119 0.612931 0.593967 mean wet weight of post-natals
L_pi cm 0.84624 0.832898 0.689015 0.68266 0.583714 0.579389 0.606315 0.603947 mean structural length of adults
L2_pi cm^2 0.773603 0.748869 0.600696 0.586998 0.42303 0.415756 0.543641 0.536976 mean squared structural length of adults
L3_pi cm^3 0.741307 0.70567 0.610771 0.587414 0.375918 0.365176 0.699357 0.68233 mean cubed structural length of adults
Ww_pi g 0.941257 0.893039 0.811971 0.7779 0.63874 0.616504 1.18831 1.15193 mean wet weight of adults
R 1/d 0 0 0 0 0 0 0.00365342 0.000846422 mean reproduction rate of adults
J_X g/d 0.00405609 0.00385992 0.00264118 0.00254195 0.00472025 0.00455435 0.0042301 0.00411297 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 0.234828 0.235697 0.0662532 0.0664582 yield of living structure on food
Y_VX_d mol/mol 0.0679872 0.0683607 0.124203 0.124759 0.00133146 0.00135739 0.142523 0.143065 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.164178 0.162215 0.0463205 0.045739 yield of living reserve on food
Y_EX_d mol/mol 0.018338 0.0181511 0.0409149 0.0404571 0.000930882 0.000934208 0.0996438 0.0984623 yield of dead reserve on food
Y_CX mol/mol 0.8043 0.804113 0.725507 0.725409 0.489356 0.490421 0.535885 0.536901 yield of CO2 on food
Y_HX mol/mol 0.578649 0.578515 0.521962 0.521891 0.352065 0.352831 0.385539 0.38627 yield of H2O on food
Y_OX mol/mol -0.874676 -0.874473 -0.788989 -0.788882 -0.532175 -0.533333 -0.582775 -0.58388 yield of O2 on food
Y_NX mol/mol 0.120645 0.120617 0.108826 0.108811 0.0734035 0.0735632 0.0803827 0.0805351 yield of N-waste on food
mu_TX J/mol 428421 428337 387895 387869 263610 264241 287832 288428 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