Perca flavescens: Population traits

at T = 13 °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: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.257371 0.265545 0.632772 0.632772 1 1 scaled functional response
r 1/d 0 0 0.00563216 0.00146031 0.00671824 0.00161029 spec pop growth rate
t2 d NaN NaN 123.07 474.657 103.174 430.448 population doubling time
a_b d 30.7251 30.6265 28.5766 28.5766 27.9308 27.9308 age at birth
t_j d 0.00880306 0.00868049 0.00645968 0.00645968 0.00587621 0.00587621 time since birth at metam
t_p d 7017.86 4326.42 1212.14 1212.14 993.502 993.502 time since birth at puberty
S_b - 0.999999 0.999999 0.999999 0.999999 0.999999 0.999999 survival probability at birth
S_j - 0.999999 0.999468 0.999999 0.999457 0.999999 0.999455 survival probability at metam
S_p - 0.999995 0.383645 0.999996 0.311396 0.999996 0.289837 survival probability at puberty
theta_0b - 0.00605623 0.317993 0.148579 0.475576 0.170998 0.498659 frac of ind that is embryo
theta_bj - 1.73673e-06 9.0186e-05 3.09801e-05 0.000105337 3.27294e-05 0.000102623 frac of ind between b and j
theta_jp - 0.00605993 0.196478 0.126562 0.255198 0.141815 0.257584 frac of ind between j and p
theta_pi - 0.987882 0.485438 0.724828 0.269121 0.687154 0.243655 frac of ind that is adult
L_bi cm 1.26757 0.515591 0.455536 0.254378 0.443903 0.251797 mean structural length of post-natals
L2_bi cm^2 1.72057 0.534265 0.320019 0.147844 0.311543 0.150738 mean squared structural length of post-natals
L3_bi cm^3 2.40255 0.696678 0.303355 0.175013 0.304059 0.200519 mean cubed structural length of post-natals
Ww_bi g 7.91591 2.34619 2.01488 1.16243 3.01514 1.98841 mean wet weight of post-natals
L_pi cm 1.27468 0.681864 0.514867 0.391215 0.511093 0.399677 mean structural length of adults
L2_pi cm^2 1.73105 0.746057 0.373505 0.276259 0.372871 0.296469 mean squared structural length of adults
L3_pi cm^3 2.41728 0.978287 0.356043 0.339661 0.366451 0.410953 mean cubed structural length of adults
Ww_pi g 7.96445 3.29456 2.36483 2.25603 3.63383 4.07514 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.0487052 0.0156041 0.0222725 0.0102895 0.0342661 0.0165794 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 0.0767107 0.0248382 0.0596141 0.0194756 yield of living structure on food
Y_VX_d mol/mol 0.0133779 0.029971 4.90197e-05 0.046962 2.42358e-05 0.0369425 yield of dead structure on food
Y_EX mol/mol 0 0 0.432801 0.140137 0.531537 0.173651 yield of living reserve on food
Y_EX_d mol/mol 0.0306996 0.0709616 0.000276568 0.264959 0.000216094 0.32939 yield of dead reserve on food
Y_CX mol/mol 0.846547 0.789692 0.380788 0.413729 0.299233 0.331166 yield of CO2 on food
Y_HX mol/mol 0.609044 0.56814 0.273956 0.297655 0.215282 0.238256 yield of H2O on food
Y_OX mol/mol -0.92062 -0.85879 -0.414107 -0.44993 -0.325416 -0.360143 yield of O2 on food
Y_NX mol/mol 0.126982 0.118454 0.0571182 0.0620593 0.044885 0.0496749 yield of N-waste on food
mu_TX J/mol 448926 418486 195927 213797 150216 167619 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