Chondrostoma nasus: Population traits

at T = 17 °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: 2025/04/03
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.61891 0.61891 0.802343 0.802343 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00277244 0.00277244 9.45237e-05 9.45237e-05 spec pop growth rate
t2 d NaN NaN NaN NaN 250.013 250.013 7333.06 7333.06 population doubling time
a_b d 8.38039 8.38039 8.02441 8.02441 7.7397 7.7397 7.7397 7.7397 age at birth
t_j d 1.56237 1.56237 1.25538 1.25538 1.05178 1.05178 1.05178 1.05178 time since birth at metam
t_p d 6998.67 3366.38 2637.04 2002.53 1839.43 1475.84 1839.43 1475.84 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_j - 1 1 0.88022 0.88022 1 1 0.880087 0.880087 survival probability at metam
S_p - 1 1 0.582906 0.582906 1 1 0.545467 0.545467 survival probability at puberty
theta_0b - 0.000814332 0.000814332 0.206067 0.206067 0.0211831 0.0211831 0.24162 0.24162 frac of ind that is embryo
theta_bj - 0.000152243 0.000152243 0.0303445 0.0303445 0.00285058 0.00285058 0.0308863 0.0308863 frac of ind between b and j
theta_jp - 0.000664373 0.000664373 0.124817 0.124817 0.0179327 0.0179327 0.144879 0.144879 frac of ind between j and p
theta_pi - 0.998369 0.998369 0.638772 0.638772 0.958034 0.958034 0.582615 0.582615 frac of ind that is adult
L_bi cm 4.32203 4.32203 0.983631 0.983631 1.50417 1.50417 0.792477 0.792477 mean structural length of post-natals
L2_bi cm^2 20.0113 20.0113 3.91846 3.91846 3.63456 3.63456 3.10065 3.10065 mean squared structural length of post-natals
L3_bi cm^3 95.1387 95.1387 21.7986 21.7986 11.4599 11.4599 19.692 19.692 mean cubed structural length of post-natals
Ww_bi g 114.691 114.691 27.6063 27.6063 15.2653 15.2653 26.231 26.231 mean wet weight of post-natals
L_pi cm 4.32547 4.32547 1.19228 1.19228 1.53401 1.53401 0.993347 0.993347 mean structural length of adults
L2_pi cm^2 20.0277 20.0277 4.86649 4.86649 3.71304 3.71304 4.03119 4.03119 mean squared structural length of adults
L3_pi cm^3 95.2165 95.2165 27.0932 27.0932 11.7085 11.7085 25.6322 25.6322 mean cubed structural length of adults
Ww_pi g 114.785 114.785 34.3115 34.3115 15.5964 15.5964 34.1436 34.1436 mean wet weight of adults
R 1/d 0 0.133259 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.33953 0.33953 0.0861953 0.0861953 0.099651 0.099651 0.0850123 0.0850123 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 0.318832 0.318832 0.0218952 0.0218952 yield of living structure on food
Y_VX_d mol/mol 0.0366482 0.0366482 0.0848604 0.0848604 0.000243052 0.000243052 0.0961605 0.0961605 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.105871 0.105871 0.00727051 0.00727051 yield of living reserve on food
Y_EX_d mol/mol 0.00753174 0.00753174 0.022609 0.022609 8.07077e-05 8.07077e-05 0.031931 0.031931 yield of dead reserve on food
Y_CX mol/mol 0.846445 0.846445 0.783156 0.783156 0.465598 0.465598 0.733368 0.733368 yield of CO2 on food
Y_HX mol/mol 0.60897 0.60897 0.563437 0.563437 0.334972 0.334972 0.527617 0.527617 yield of H2O on food
Y_OX mol/mol -0.920509 -0.920509 -0.851682 -0.851682 -0.506338 -0.506338 -0.797538 -0.797538 yield of O2 on food
Y_NX mol/mol 0.126967 0.126967 0.117473 0.117473 0.0698398 0.0698398 0.110005 0.110005 yield of N-waste on food
mu_TX J/mol 450033 450033 417635 417635 254689 254689 391911 391911 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