Alosa immaculata: Population traits

at T = 13.3 °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: 2024/07/22
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.377027 0.377027 0.688514 0.688514 1 1 scaled functional response
r 1/d 0 0 0.00978548 0.00281589 0.0122988 0.00332034 spec pop growth rate
t2 d NaN NaN 70.8343 246.156 56.3591 208.758 population doubling time
a_b d 15.7328 15.7328 15.2219 15.2219 15.0123 15.0123 age at birth
t_j d 5.16818 5.16818 4.47473 4.47473 4.21747 4.21747 time since birth at metam
t_p d 3073.22 3073.22 827.656 827.656 660.394 660.394 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.478583 1 0.47425 1 0.472712 survival probability at metam
S_p - 0.999999 0.21436 0.999999 0.187303 0.999999 0.17693 survival probability at puberty
theta_0b - 0.00514462 0.448296 0.13834 0.587935 0.168532 0.606823 frac of ind that is embryo
theta_bj - 0.00169092 0.104255 0.0369181 0.118616 0.04203 0.116348 frac of ind between b and j
theta_jp - 0.00345651 0.0962666 0.0823353 0.117928 0.0981525 0.119474 frac of ind between j and p
theta_pi - 0.989708 0.351183 0.742406 0.175521 0.691286 0.157356 frac of ind that is adult
L_bi cm 1.14537 0.461321 0.427032 0.190135 0.393771 0.182101 mean structural length of post-natals
L2_bi cm^2 1.37526 0.439686 0.280699 0.0913765 0.247271 0.0849638 mean squared structural length of post-natals
L3_bi cm^3 1.68205 0.503491 0.240972 0.0885674 0.211224 0.0877029 mean cubed structural length of post-natals
Ww_bi g 13.2415 3.96358 3.26512 1.20007 4.06128 1.68629 mean wet weight of post-natals
L_pi cm 1.15087 0.67943 0.481224 0.336461 0.455123 0.331297 mean structural length of adults
L2_pi cm^2 1.38237 0.68701 0.324442 0.205145 0.29565 0.201574 mean squared structural length of adults
L3_pi cm^3 1.6908 0.790659 0.27955 0.20709 0.253883 0.218164 mean cubed structural length of adults
Ww_pi g 13.3103 6.22423 3.78784 2.80603 4.88149 4.19471 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.197097 0.063 0.0736819 0.0239469 0.0943713 0.0323684 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 0.0320028 0.0104146 0.0275274 0.00899652 yield of living structure on food
Y_VX_d mol/mol 0.00345053 0.00854539 1.12656e-05 0.0199727 5.1687e-06 0.017238 yield of dead structure on food
Y_EX mol/mol 0 0 0.401628 0.1307 0.501752 0.163983 yield of living reserve on food
Y_EX_d mol/mol 0.0237127 0.0587257 0.000141381 0.250652 9.42116e-05 0.314203 yield of dead reserve on food
Y_CX mol/mol 0.863462 0.823354 0.456841 0.478885 0.361246 0.386205 yield of CO2 on food
Y_HX mol/mol 0.621213 0.592357 0.328672 0.344531 0.259896 0.277853 yield of H2O on food
Y_OX mol/mol -0.939015 -0.895397 -0.496815 -0.520788 -0.392855 -0.419998 yield of O2 on food
Y_NX mol/mol 0.129519 0.123503 0.0685262 0.0718328 0.0541869 0.0579307 yield of N-waste on food
mu_TX J/mol 457733 435928 235520 247562 182718 196381 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