Alosa mediocris: Population traits

at T = 15 °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 - 0.25347 0.28545 0.642725 0.642725 1 1 scaled functional response
r 1/d 0 0 0.0267042 0.00116832 0.0327484 0.00128643 spec pop growth rate
t2 d NaN NaN 25.9565 593.286 21.1659 538.813 population doubling time
a_b d 10.9575 10.8486 10.3131 10.3131 10.1409 10.1409 age at birth
t_j d 33.324 31.58 24.4376 24.4376 22.546 22.546 time since birth at metam
t_p d 358.769 1167.39 311.404 311.404 251.004 251.004 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.13521 1 0.083928 1 0.0709175 survival probability at metam
S_p - 0.999999 0.00295394 1 0.00281916 1 0.00278553 survival probability at puberty
theta_0b - 0.0034476 0.659847 0.240676 0.713174 0.282523 0.726759 frac of ind that is embryo
theta_bj - 0.00344909 0.285308 0.182795 0.261195 0.202747 0.252596 frac of ind between b and j
theta_jp - 0.00704026 0.0436336 0.181152 0.0228372 0.171845 0.0182771 frac of ind between j and p
theta_pi - 0.986063 0.0112107 0.395377 0.00279296 0.342885 0.00236869 frac of ind that is adult
L_bi cm 1.81696 0.109317 0.542302 0.0677596 0.491465 0.06584 mean structural length of post-natals
L2_bi cm^2 3.375 0.115022 0.650498 0.0414558 0.575243 0.0415635 mean squared structural length of post-natals
L3_bi cm^3 6.30742 0.231052 1.07932 0.148433 0.980125 0.206749 mean cubed structural length of post-natals
Ww_bi g 19.7856 0.787073 6.92756 0.952717 9.24305 1.94974 mean wet weight of post-natals
L_pi cm 1.83508 1.70813 0.944719 1.347 0.91454 1.26884 mean structural length of adults
L2_pi cm^2 3.41072 3.38525 1.23572 3.8897 1.18781 4.37895 mean squared structural length of adults
L3_pi cm^3 6.37448 7.00167 2.0705 15.2122 2.04816 23.8141 mean cubed structural length of adults
Ww_pi g 19.996 23.851 13.2895 97.6391 19.3152 224.579 mean wet weight of adults
R 1/d 0 2.54811 0 37.8897 0 52.1148 mean reproduction rate of adults
J_X g/d 0.757812 0.0286071 0.376189 0.0226546 0.519201 0.0354694 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 0.0766165 0.00765486 0.0618209 0.00749855 yield of living structure on food
Y_VX_d mol/mol 0.00282189 0.00914168 8.80716e-07 0.0187316 4.07468e-07 0.017428 yield of dead structure on food
Y_EX mol/mol 0 0 0.415145 0.0414777 0.52118 0.0632163 yield of living reserve on food
Y_EX_d mol/mol 0.00603004 0.0219993 4.77214e-06 0.101497 3.43515e-06 0.146926 yield of dead reserve on food
Y_CX mol/mol 0.881773 0.859484 0.398858 0.721264 0.30762 0.655556 yield of CO2 on food
Y_HX mol/mol 0.634387 0.618351 0.286956 0.518909 0.221316 0.471636 yield of H2O on food
Y_OX mol/mol -0.958928 -0.934689 -0.433758 -0.784375 -0.334537 -0.712917 yield of O2 on food
Y_NX mol/mol 0.132266 0.128923 0.0598287 0.10819 0.046143 0.0983334 yield of N-waste on food
mu_TX J/mol 467773 455830 205859 380671 154938 344458 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