Squalius alburnoides: 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_min f_max date: 2025/04/10
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.136259 0.136259 0.136259 0.136259 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0259635 0.0259635 0.00719298 0.00719298 spec pop growth rate
t2 d NaN NaN NaN NaN 26.697 26.697 96.3644 96.3644 population doubling time
a_b d 14.3712 14.6863 14.3712 14.6863 10.3392 10.5798 10.3392 10.5798 age at birth
t_j d 61.299 71.7715 61.299 71.7715 9.07591 10.1759 9.07591 10.1759 time since birth at metam
t_p d 3021.52 NaN 3021.52 NaN 181.781 205.677 181.781 205.677 time since birth at puberty
S_b - 0.999999 0.999999 0.999999 0.999999 1 1 1 1 survival probability at birth
S_j - 0.999995 0.999994 0.850865 0.871482 0.999999 0.999998 0.461936 0.462703 survival probability at metam
S_p - 0.999962 0.999941 0.502132 0.510541 0.999998 0.999998 0.430545 0.45341 survival probability at puberty
theta_0b - 0.00298697 0.00320405 0.047253 0.0402782 0.235183 0.239929 0.394144 0.377845 frac of ind that is embryo
theta_bj - 0.0030022 0.00322209 0.0438572 0.0378427 0.160565 0.176477 0.226054 0.236616 frac of ind between b and j
theta_jp - 0.00980328 0.0125239 0.102551 0.106275 0.0194984 0.00608874 0.019324 0.00591161 frac of ind between j and p
theta_pi - 0.984208 0.98105 0.806339 0.815604 0.584754 0.577505 0.360478 0.379627 frac of ind that is adult
L_bi cm 0.443454 0.383058 0.31583 0.286508 0.228237 0.213432 0.200398 0.194756 mean structural length of post-natals
L2_bi cm^2 0.207284 0.154313 0.124893 0.0990315 0.0688254 0.0587567 0.0627407 0.0572635 mean squared structural length of post-natals
L3_bi cm^3 0.0995504 0.0638741 0.0553168 0.0378823 0.0272675 0.0209209 0.0334917 0.0277123 mean cubed structural length of post-natals
Ww_bi g 0.113024 0.0713917 0.0628035 0.0423408 0.0543514 0.0389913 0.0667578 0.0516489 mean wet weight of post-natals
L_pi cm 0.4478 0.387455 0.353565 0.318098 0.263809 0.245744 0.261323 0.249059 mean structural length of adults
L2_pi cm^2 0.209824 0.156598 0.145442 0.114471 0.0860784 0.0733976 0.0970183 0.0861059 mean squared structural length of adults
L3_pi cm^3 0.100828 0.0648782 0.065129 0.0443524 0.0352135 0.0270918 0.0553414 0.0445569 mean cubed structural length of adults
Ww_pi g 0.114475 0.072514 0.0739437 0.0495724 0.0701899 0.0504924 0.11031 0.0830431 mean wet weight of adults
R 1/d 0 0 0 0 0.323042 0.198494 0.398469 0.276724 mean reproduction rate of adults
J_X g/d 0.00187324 0.00120595 0.00112695 0.000772542 0.00467386 0.00346351 0.00424078 0.00336055 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 0.151472 0.156829 0.0568067 0.0593159 yield of living structure on food
Y_VX_d mol/mol 0.0149863 0.0157394 0.0318056 0.0327015 4.83836e-06 5.76792e-06 0.096972 0.0994308 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.150452 0.135461 0.0564243 0.0512343 yield of living reserve on food
Y_EX_d mol/mol 0.00202827 0.00185243 0.00430461 0.00384877 4.80578e-06 4.98206e-06 0.0963191 0.0858837 yield of dead reserve on food
Y_CX mol/mol 0.87361 0.873033 0.854515 0.854075 0.588691 0.598324 0.584103 0.59476 yield of CO2 on food
Y_HX mol/mol 0.628514 0.628099 0.614776 0.614459 0.42353 0.430461 0.42023 0.427897 yield of H2O on food
Y_OX mol/mol -0.950051 -0.949424 -0.929285 -0.928806 -0.640201 -0.650677 -0.635212 -0.646802 yield of O2 on food
Y_NX mol/mol 0.131042 0.130955 0.128177 0.128111 0.0883036 0.0897486 0.0876154 0.0892141 yield of N-waste on food
mu_TX J/mol 463891 463611 454230 454032 314010 319576 311602 317712 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