Mitsukurina owstoni: Population traits

at T = 4 °C with background hazards for embryo, juv, adult: 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 std f_minf f_max date: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.456604 0.894779 0.947389 0.947389 1 1 scaled functional response
r 1/d 0 0 0.000107829 9.66146e-07 0.00011148 1.75288e-06 spec pop growth rate
t2 d NaN NaN 6428.21 717435 6217.69 395434 population doubling time
a_b d 2570.45 2454.16 2447.03 2447.03 2440.61 2440.61 age at birth
t_p d 30337.1 11103.7 10731.5 10731.5 10416.8 10416.8 time since birth at puberty
S_b - 0.999942 0.99995 0.99995 0.99995 0.99995 0.99995 survival probability at birth
S_p - 0.999632 0.332904 0.999721 0.328126 0.999725 0.323867 survival probability at puberty
theta_0b - 0.0441073 0.367059 0.233787 0.377965 0.239904 0.387379 frac of ind that is embryo
theta_bp - 0.0441052 0.209407 0.179552 0.213708 0.182742 0.217315 fraction of individuals that is juvenile
theta_pi - 0.911787 0.423534 0.586661 0.408327 0.577353 0.395307 frac of ind that is adult
L_bi cm 23.9116 24.9656 23.102 25.0302 23.2217 25.0931 mean structural length of post-natals
L2_bi cm^2 597.836 859.125 658.803 881.857 670.966 903.793 mean squared structural length of post-natals
L3_bi cm^3 15345.1 35377 21883.6 37683.9 22740.3 39992.1 mean cubed structural length of post-natals
Ww_bi g 67453.5 270793 176070 303196 191860 337414 mean wet weight of post-natals
L_pi cm 24.6001 32.3897 26.9941 32.9046 27.2718 33.3812 mean structural length of adults
L2_pi cm^2 622.156 1233.7 826.606 1289.85 848.057 1344.01 mean squared structural length of adults
L3_pi cm^3 16041.5 52343.4 28212.8 56844 29551.8 61379.5 mean cubed structural length of adults
Ww_pi g 70514.9 400662 226994 457353 249329 517860 mean wet weight of adults
R 1/d 0 0.000642192 0.000216242 0.000694628 0.000232563 0.000743211 mean reproduction rate of adults
J_X g/d 26.4555 74.5016 60.4892 80.9693 65.0271 87.5916 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 0.03901 0.000449653 0.038985 0.000800318 yield of living structure on food
Y_VX_d mol/mol 0.014153 0.0256578 0.00142747 0.0253923 0.00131295 0.025119 yield of dead structure on food
Y_EX mol/mol 0 0 0.274855 0.00316815 0.289933 0.00595199 yield of living reserve on food
Y_EX_d mol/mol 0.0480606 0.17074 0.0100576 0.178908 0.00976443 0.186811 yield of dead reserve on food
Y_CX mol/mol 0.76628 0.64216 0.522879 0.631504 0.509332 0.621547 yield of CO2 on food
Y_HX mol/mol 0.658127 0.551525 0.449079 0.542373 0.437445 0.533821 yield of H2O on food
Y_OX mol/mol -0.900897 -0.754972 -0.614736 -0.742444 -0.59881 -0.730738 yield of O2 on food
Y_NX mol/mol 0.0621308 0.052067 0.0423956 0.051203 0.0412972 0.0503957 yield of N-waste on food
mu_TX J/mol 431410 359412 290407 353190 282479 347372 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