Leuciscus aspius: Population traits

at T = 12 °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: 2025/04/04
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.341413 0.341413 0.670707 0.670707 1 1 scaled functional response
r 1/d 0 0 0.00632582 0.00154673 0.00729305 0.00167086 spec pop growth rate
t2 d NaN NaN 109.574 448.138 95.0422 414.843 population doubling time
a_b d 9.89504 9.89504 9.77666 9.77666 9.73545 9.73545 age at birth
t_j d 0.000966167 0.000966167 0.000920024 0.000920024 0.000904302 0.000904302 time since birth at metam
t_p d 4446.68 4446.68 1596.82 1596.82 1372.67 1372.67 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.999731 1 0.99973 1 0.99973 survival probability at metam
S_p - 1 0.273347 1 0.261979 1 0.258039 survival probability at puberty
theta_0b - 0.00192928 0.448894 0.0598607 0.50062 0.0684111 0.506675 frac of ind that is embryo
theta_bj - 1.88775e-07 4.39172e-05 5.47175e-06 4.68453e-05 6.14409e-06 4.67735e-05 frac of ind between b and j
theta_jp - 0.00193316 0.234804 0.0563789 0.253082 0.063846 0.254024 frac of ind between j and p
theta_pi - 0.996137 0.316258 0.883755 0.246251 0.867737 0.239254 frac of ind that is adult
L_bi cm 2.09225 0.333724 0.515077 0.139009 0.477568 0.135257 mean structural length of post-natals
L2_bi cm^2 4.6808 0.501552 0.4539 0.078382 0.401336 0.074745 mean squared structural length of post-natals
L3_bi cm^3 10.7397 1.04929 0.548462 0.119555 0.476684 0.121595 mean cubed structural length of post-natals
Ww_bi g 165.114 16.1319 16.0359 3.49553 20.5459 5.24095 mean wet weight of post-natals
L_pi cm 2.09621 0.546692 0.544695 0.233211 0.50895 0.228414 mean structural length of adults
L2_pi cm^2 4.68988 0.872302 0.482688 0.15656 0.43067 0.151627 mean squared structural length of adults
L3_pi cm^3 10.7606 1.8284 0.583445 0.242327 0.51175 0.250592 mean cubed structural length of adults
Ww_pi g 165.434 28.11 17.0587 7.08513 22.0573 10.801 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.947237 0.101497 0.180447 0.0311607 0.237885 0.0443038 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 0.0192271 0.00593435 0.0146141 0.00458581 yield of living structure on food
Y_VX_d mol/mol 0.00295318 0.0069623 5.74421e-06 0.0117356 2.90651e-06 0.00905296 yield of dead structure on food
Y_EX mol/mol 0 0 0.542932 0.167574 0.61528 0.19307 yield of living reserve on food
Y_EX_d mol/mol 0.0424493 0.100077 0.000162204 0.331389 0.000122369 0.381146 yield of dead reserve on food
Y_CX mol/mol 0.845223 0.783586 0.328298 0.373992 0.260606 0.30277 yield of CO2 on food
Y_HX mol/mol 0.608091 0.563747 0.236192 0.269066 0.187491 0.217826 yield of H2O on food
Y_OX mol/mol -0.919179 -0.85215 -0.357024 -0.406716 -0.283409 -0.329262 yield of O2 on food
Y_NX mol/mol 0.126783 0.117538 0.0492446 0.0560988 0.0390908 0.0454155 yield of N-waste on food
mu_TX J/mol 447676 413977 164182 189235 126720 149862 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