Sander volgensis: Population traits

at T = 16 °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_min f_max date: 2025/05/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.53372 0.53372 0.751983 0.751983 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00634271 0.00634271 0.000236867 0.000236867 spec pop growth rate
t2 d NaN NaN NaN NaN 109.282 109.282 2926.32 2926.32 population doubling time
a_b d 24.8002 24.8698 23.444 23.5114 22.3525 22.4178 22.3525 22.4178 age at birth
t_j d 794.451 810.178 546.592 556.665 407.87 415.007 407.87 415.007 time since birth at metam
t_p d 7686.1 11976.8 2594.92 2674.87 1693.07 1732.69 1693.07 1732.69 time since birth at puberty
S_b - 0.999997 0.999997 0.999997 0.999997 0.999998 0.999997 0.999998 0.999997 survival probability at birth
S_j - 0.999981 0.99998 0.728074 0.731625 0.999986 0.999986 0.666426 0.670324 survival probability at metam
S_p - 0.997544 0.997395 0.000611496 0.000611648 0.99939 0.999357 0.000607893 0.000608074 survival probability at puberty
theta_0b - 0.00428341 0.00431228 0.240011 0.237197 0.13192 0.132276 0.291097 0.288161 frac of ind that is embryo
theta_bj - 0.00430178 0.00433104 0.206334 0.204394 0.114771 0.115037 0.238695 0.236935 frac of ind between b and j
theta_jp - 0.133353 0.136599 0.551955 0.556702 0.688045 0.69034 0.468998 0.473691 frac of ind between j and p
theta_pi - 0.858062 0.854758 0.00170042 0.00170641 0.0652635 0.0623471 0.00121038 0.00121286 frac of ind that is adult
L_bi cm 3.33136 3.26027 0.109395 0.109335 0.285526 0.278666 0.107019 0.106969 mean structural length of post-natals
L2_bi cm^2 13.7515 13.2017 0.0370655 0.0364481 0.262306 0.248337 0.029233 0.0288447 mean squared structural length of post-natals
L3_bi cm^3 60.2038 56.7218 0.12095 0.115729 0.485728 0.450306 0.0894215 0.0858054 mean cubed structural length of post-natals
Ww_bi g 64.133 60.3602 0.132072 0.126188 0.545125 0.504427 0.100356 0.096118 mean wet weight of post-natals
L_pi cm 3.81719 3.74787 2.68495 2.65913 1.5412 1.52851 2.43376 2.41623 mean structural length of adults
L2_pi cm^2 15.9361 15.3562 10.6429 10.3691 2.81736 2.76297 9.48195 9.27625 mean squared structural length of adults
L3_pi cm^3 69.8502 66.0618 52.9476 50.6235 6.16595 5.96459 50.966 48.9506 mean cubed structural length of adults
Ww_pi g 74.409 70.2994 57.8164 55.1988 6.91994 6.68145 57.1983 54.8338 mean wet weight of adults
R 1/d 0 0 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.21954 0.207097 0.000606243 0.000582069 0.00718702 0.00665486 0.0005753 0.000553963 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 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.428667 0.429185 0.0368173 0.0366892 yield of living structure on food
Y_VX_d mol/mol 0.0918442 0.092499 0.215443 0.21726 0.000399584 0.000407386 0.250153 0.252047 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0524189 0.0515822 0.00450215 0.00440954 yield of living reserve on food
Y_EX_d mol/mol 0.00599423 0.00593343 0.0198111 0.0196355 4.88626e-05 4.89623e-05 0.0305896 0.0302927 yield of dead reserve on food
Y_CX mol/mol 0.792787 0.792193 0.655371 0.65373 0.409091 0.409401 0.568563 0.567186 yield of CO2 on food
Y_HX mol/mol 0.570366 0.569939 0.471503 0.470322 0.294318 0.294542 0.40905 0.408059 yield of H2O on food
Y_OX mol/mol -0.862155 -0.861509 -0.712716 -0.710931 -0.444886 -0.445224 -0.618313 -0.616815 yield of O2 on food
Y_NX mol/mol 0.118918 0.118829 0.0983057 0.0980595 0.0613636 0.0614102 0.0852845 0.0850779 yield of N-waste on food
mu_TX J/mol 423281 422987 353883 353071 229109 229307 309715 309046 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female differ.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer