Sepiola atlantica: Population traits

at T = 17.7 °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: 2025/05/19
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.100553 0.100553 0.550277 0.550277 1 1 scaled functional response
r 1/d 0 0 0.0101481 NaN 0.0160147 NaN spec pop growth rate
t2 d NaN NaN 68.3033 NaN 43.2819 NaN population doubling time
a_b d 58.203 58.203 43.7211 NaN 39.9732 NaN age at birth
t_j d 1689.73 1689.73 209.632 NaN 133.957 NaN time since birth at metam
t_p d 3405.96 3405.96 326.204 NaN 207.056 NaN time since birth at puberty
S_b - 0.985945 0.985945 0.993522 NaN 0.994897 NaN survival probability at birth
S_j - 0.912768 0.784726 0.966845 NaN 0.976256 NaN survival probability at metam
S_p - 1e-06 1e-06 0.81181 NaN 0.9173 NaN survival probability at puberty
theta_0b - 0.197014 0.262073 0.379384 NaN 0.482822 NaN frac of ind that is embryo
theta_bj - 0.189591 0.234291 0.239817 NaN 0.251828 NaN frac of ind between b and j
theta_jp - 0.613395 0.503637 0.324406 NaN 0.21115 NaN frac of ind between j and p
theta_pi - -1.11022e-16 1.11022e-16 0.0563932 NaN 0.0541994 NaN frac of ind that is adult
L_bi cm 0.14582 0.141266 0.290834 NaN 0.309741 NaN mean structural length of post-natals
L2_bi cm^2 0.0215511 0.020143 0.142308 NaN 0.171678 NaN mean squared structural length of post-natals
L3_bi cm^3 0.00323389 0.00290256 0.115098 NaN 0.162929 NaN mean cubed structural length of post-natals
Ww_bi g 0.00353414 0.00317205 0.173579 NaN 0.313369 NaN mean wet weight of post-natals
L_pi cm NaN NaN 0.925667 NaN 0.981242 NaN mean structural length of adults
L2_pi cm^2 NaN NaN 0.9408 NaN 1.08459 NaN mean squared structural length of adults
L3_pi cm^3 NaN NaN 1.05879 NaN 1.36691 NaN mean cubed structural length of adults
Ww_pi g NaN NaN 1.59677 NaN 2.62905 NaN mean wet weight of adults
R 1/d 0 0 0.884747 NaN 1.38854 NaN mean reproduction rate of adults
J_X g/d 3.74659e-05 3.36273e-05 0.00440401 NaN 0.0100659 NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 0.109375 0.109375 NaN 0.109375 NaN yield of faeces on food
Y_VX mol/mol 0 0 0.265217 NaN 0.259216 NaN yield of living structure on food
Y_VX_d mol/mol 0.448301 0.585648 0.0662925 NaN 0.0336993 NaN yield of dead structure on food
Y_EX mol/mol 0 0 0.134757 NaN 0.239348 NaN yield of living reserve on food
Y_EX_d mol/mol 0.041623 0.0543751 0.0336832 NaN 0.0311163 NaN yield of dead reserve on food
Y_CX mol/mol 0.400701 0.250602 0.390675 NaN 0.327246 NaN yield of CO2 on food
Y_HX mol/mol 0.28806 0.180155 0.280852 NaN 0.235253 NaN yield of H2O on food
Y_OX mol/mol -0.435763 -0.272529 -0.424859 NaN -0.35588 NaN yield of O2 on food
Y_NX mol/mol 0.0601052 0.0375903 0.0586013 NaN 0.0490868 NaN yield of N-waste on food
mu_TX J/mol 225457 149770 214103 NaN 177287 NaN 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