Engraulis anchoita: Population traits

at T = 8 °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: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.328711 0.738373 0.869187 0.869187 1 1 scaled functional response
r 1/d 0 0 0.00477973 0.000114333 0.00545101 0.000202233 spec pop growth rate
t2 d NaN NaN 145.018 6062.53 127.159 3427.47 population doubling time
a_b d 17.3843 15.247 14.8767 14.8767 14.5764 14.5764 age at birth
t_j d 0.00394858 0.00207584 0.00185179 0.00185179 0.00168667 0.00168667 time since birth at metam
t_p d 3409.41 941.11 801.903 801.903 707.52 707.52 time since birth at puberty
S_b - 0.999991 0.999994 0.999994 0.999994 0.999995 0.999995 survival probability at birth
S_j - 0.999991 0.999841 0.999994 0.999841 0.999995 0.99984 survival probability at metam
S_p - 0.999952 0.531004 0.999971 0.503628 0.999973 0.481185 survival probability at puberty
theta_0b - 0.00709235 0.250644 0.0687774 0.276382 0.0764743 0.296997 frac of ind that is embryo
theta_bj - 1.61397e-06 3.41696e-05 8.27086e-06 3.44163e-05 8.51244e-06 3.43564e-05 frac of ind between b and j
theta_jp - 0.00710409 0.182722 0.0641294 0.195895 0.0707097 0.205514 frac of ind between j and p
theta_pi - 0.985802 0.5666 0.867085 0.527689 0.852807 0.497454 frac of ind that is adult
L_bi cm 0.702301 0.400036 0.488831 0.386684 0.486053 0.377963 mean structural length of post-natals
L2_bi cm^2 0.553192 0.390914 0.357626 0.394138 0.358905 0.399433 mean squared structural length of post-natals
L3_bi cm^3 0.460473 0.574203 0.340157 0.641544 0.349678 0.709159 mean cubed structural length of post-natals
Ww_bi g 0.557745 0.846667 0.530161 0.999894 0.574395 1.16489 mean wet weight of post-natals
L_pi cm 0.706697 0.497592 0.517549 0.49356 0.517906 0.492848 mean structural length of adults
L2_pi cm^2 0.557118 0.513906 0.383323 0.536817 0.387796 0.560308 mean squared structural length of adults
L3_pi cm^3 0.463787 0.759104 0.365241 0.879378 0.378584 1.00176 mean cubed structural length of adults
Ww_pi g 0.561758 1.11931 0.569256 1.37058 0.621878 1.64553 mean wet weight of adults
R 1/d 0 0.0391327 0.0166902 0.054957 0.0234678 0.069792 mean reproduction rate of adults
J_X g/d 0.00337294 0.00535398 0.00576582 0.00635449 0.00665731 0.00740908 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 0.281982 0.011543 0.286317 0.0193567 yield of living structure on food
Y_VX_d mol/mol 0.0949755 0.165186 0.00384688 0.162646 0.00286404 0.160255 yield of dead structure on food
Y_EX mol/mol 0 0 0.157508 0.00644761 0.183999 0.0124394 yield of living reserve on food
Y_EX_d mol/mol 0.0200629 0.0783824 0.00214877 0.0908502 0.00184055 0.102987 yield of dead reserve on food
Y_CX mol/mol 0.775587 0.647056 0.445139 0.619138 0.415605 0.595587 yield of CO2 on food
Y_HX mol/mol 0.557992 0.465521 0.320252 0.445435 0.299005 0.428492 yield of H2O on food
Y_OX mol/mol -0.84345 -0.703674 -0.484088 -0.673313 -0.45197 -0.647701 yield of O2 on food
Y_NX mol/mol 0.116338 0.0970585 0.0667708 0.0928707 0.0623407 0.089338 yield of N-waste on food
mu_TX J/mol 413978 346797 241774 331892 225698 319210 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