Elops saurus: Population traits

at T = 25 °C with background hazards for embryo, leptocephalus, shrink, post-shrink juv, adult: 0, 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 ssj f_minf f_max date: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.502516 NaN 0.751258 NaN 1 1 scaled functional response
r 1/d 0 0 0.00657813 NaN 0.00860078 0.00018125 spec pop growth rate
t2 d NaN NaN 105.372 NaN 80.5912 3824.26 population doubling time
a_b d 2.76157 NaN 2.76157 NaN 2.76157 2.76157 age at birth
t_s d 820.087 NaN 820.087 NaN 820.087 820.087 time since birth at start accel
t_j d 820.087 NaN 820.087 NaN 820.087 820.087 time since birth at metam
t_p d 1653.66 NaN 1653.66 NaN 1653.66 1653.66 time since birth at puberty
S_b - 1 NaN 1 NaN 1 1 survival probability at birth
S_s - 1 NaN 1 NaN 1 0.433982 survival probability at metam
S_j - 0.999981 NaN 0.999982 NaN 0.999982 8.00953e-05 survival probability at metam
S_p - 0.99998 NaN 0.99998 NaN 0.999981 7.62822e-05 survival probability at puberty
theta_0b - 0.000136063 NaN 0.0186221 NaN 0.0233732 0.339038 frac of ind that is embryo
theta_bs - 0.000123717 NaN 0.0176667 NaN 0.0229232 0.224184 frac of ind between b and s
theta_sj - 0.0366157 NaN 0.959255 NaN 0.952859 0.43651 frac of ind between s and j
theta_jp - 0.00100797 NaN 0.000613069 NaN 0.000148542 0.00019108 frac of ind between j and p
theta_pi - 0.962117 NaN 0.00384316 NaN 0.000695715 7.69129e-05 frac of ind that is adult
L_bi cm 6.73884 NaN 1.39958 NaN 1.34986 0.33748 mean structural length of post-natals
L2_bi cm^2 47.1545 NaN 3.27597 NaN 3.17576 0.600213 mean squared structural length of post-natals
L3_bi cm^3 333.891 NaN 10.0698 NaN 10.2077 2.39534 mean cubed structural length of post-natals
Ww_bi g 475.406 NaN 16.4504 NaN 18.8172 4.41564 mean wet weight of post-natals
L_pi cm 6.73967 NaN 1.42378 NaN 1.38034 0.469898 mean structural length of adults
L2_pi cm^2 47.1603 NaN 3.3359 NaN 3.25193 0.904993 mean squared structural length of adults
L3_pi cm^3 333.932 NaN 10.2544 NaN 10.4531 3.62452 mean cubed structural length of adults
Ww_pi g 475.465 NaN 16.752 NaN 19.2695 6.68156 mean wet weight of adults
R 1/d 0 NaN 0 NaN 0 0 mean reproduction rate of adults
J_X g/d 2.27399 NaN 0.236181 NaN 0.304764 0.0575999 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 NaN 0.280465 NaN 0.288073 0.00753743 yield of living structure on food
Y_VX_d mol/mol 0.00739197 NaN 9.82569e-07 NaN 6.23012e-07 0.184445 yield of dead structure on food
Y_EX mol/mol 0 NaN 0.177713 NaN 0.24297 0.00635731 yield of living reserve on food
Y_EX_d mol/mol 0.003133 NaN 6.2259e-07 NaN 5.25468e-07 0.155567 yield of dead reserve on food
Y_CX mol/mol 0.8801 NaN 0.432446 NaN 0.359581 0.536718 yield of CO2 on food
Y_HX mol/mol 0.633183 NaN 0.311121 NaN 0.258699 0.386139 yield of H2O on food
Y_OX mol/mol -0.957109 NaN -0.470285 NaN -0.391044 -0.583681 yield of O2 on food
Y_NX mol/mol 0.132015 NaN 0.0648668 NaN 0.0539372 0.0805077 yield of N-waste on food
mu_TX J/mol 467081 NaN 234525 NaN 194829 287450 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