Engraulicypris sardella: Population traits

at T = 27 °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 - 0.42494 NaN 0.71247 NaN 1 1 scaled functional response
r 1/d 0 0 0.00634391 NaN 0.011753 NaN spec pop growth rate
t2 d NaN NaN 109.262 NaN 58.9762 NaN population doubling time
a_b d 10.351 NaN 9.48921 NaN 8.9745 NaN age at birth
t_j d 96.0121 NaN 53.1082 NaN 38.3483 NaN time since birth at metam
t_p d 1034.7 NaN 254.827 NaN 165.914 NaN time since birth at puberty
S_b - 1 NaN 1 NaN 1 NaN survival probability at birth
S_j - 0.999999 NaN 0.999999 NaN 0.999999 NaN survival probability at metam
S_p - 0.999964 NaN 0.99999 NaN 0.999995 NaN survival probability at puberty
theta_0b - 0.00371736 NaN 0.0583827 NaN 0.100033 NaN frac of ind that is embryo
theta_bj - 0.00372375 NaN 0.0550339 NaN 0.0900965 NaN frac of ind between b and j
theta_jp - 0.0308158 NaN 0.214404 NaN 0.23645 NaN frac of ind between j and p
theta_pi - 0.961743 NaN 0.67218 NaN 0.573421 NaN frac of ind that is adult
L_bi cm 0.738898 NaN 0.625209 NaN 0.582929 NaN mean structural length of post-natals
L2_bi cm^2 0.564818 NaN 0.547328 NaN 0.535544 NaN mean squared structural length of post-natals
L3_bi cm^3 0.436807 NaN 0.553079 NaN 0.610479 NaN mean cubed structural length of post-natals
Ww_bi g 0.501129 NaN 0.689632 NaN 0.822031 NaN mean wet weight of post-natals
L_pi cm 0.759603 NaN 0.810923 NaN 0.822678 NaN mean structural length of adults
L2_pi cm^2 0.584055 NaN 0.754967 NaN 0.823753 NaN mean squared structural length of adults
L3_pi cm^3 0.452289 NaN 0.772433 NaN 0.95476 NaN mean cubed structural length of adults
Ww_pi g 0.518891 NaN 0.963143 NaN 1.28562 NaN mean wet weight of adults
R 1/d 0.00020822 NaN 0.0226639 NaN 0.0398114 NaN mean reproduction rate of adults
J_X g/d 0.0141403 NaN 0.0239006 NaN 0.0333042 NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 NaN yield of faeces on food
Y_VX mol/mol 0 NaN 0.146804 NaN 0.215437 NaN yield of living structure on food
Y_VX_d mol/mol 0.012599 NaN 0.000199319 NaN 5.54457e-05 NaN yield of dead structure on food
Y_EX mol/mol 0 NaN 0.0362451 NaN 0.0746561 NaN yield of living reserve on food
Y_EX_d mol/mol 0.00185528 NaN 4.9211e-05 NaN 1.92138e-05 NaN yield of dead reserve on food
Y_CX mol/mol 0.876171 NaN 0.707328 NaN 0.600457 NaN yield of CO2 on food
Y_HX mol/mol 0.630356 NaN 0.508883 NaN 0.431996 NaN yield of H2O on food
Y_OX mol/mol -0.952836 NaN -0.769219 NaN -0.652997 NaN yield of O2 on food
Y_NX mol/mol 0.131426 NaN 0.106099 NaN 0.0900686 NaN yield of N-waste on food
mu_TX J/mol 465180 NaN 379037 NaN 323682 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