Rhodeus ocellatus: Population traits

at T = 20 °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: 2025/04/03
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.208021 0.254468 0.627234 0.627234 1 1 scaled functional response
r 1/d 0 0 0.0149947 0.00176051 0.022875 0.00238051 spec pop growth rate
t2 d NaN NaN 46.2263 393.72 30.3015 291.175 population doubling time
a_b d 18.7 18.0901 15.7738 15.7738 14.8778 14.8778 age at birth
t_j d 33.0171 26.813 12.7595 12.7595 9.64551 9.64551 time since birth at metam
t_p d 1224.86 554.35 157.797 157.797 110.923 110.923 time since birth at puberty
S_b - 0.999997 0.999997 0.999998 0.999998 0.999998 0.999998 survival probability at birth
S_j - 0.999981 0.524116 0.999992 0.342342 0.999995 0.334303 survival probability at metam
S_p - 0.99996 0.383829 0.999991 0.291398 0.999993 0.233544 survival probability at puberty
theta_0b - 0.0103489 0.14507 0.21058 0.432186 0.288398 0.514277 frac of ind that is embryo
theta_bj - 0.0103606 0.106966 0.137487 0.209683 0.140901 0.197224 frac of ind between b and j
theta_jp - 0.0079321 0.0315326 0.0288153 0.0250972 0.0643811 0.0482335 frac of ind between j and p
theta_pi - 0.971358 0.716432 0.623118 0.333034 0.506319 0.240265 frac of ind that is adult
L_bi cm 0.308133 0.305057 0.294896 0.29818 0.290637 0.290586 mean structural length of post-natals
L2_bi cm^2 0.0974037 0.108081 0.114963 0.159389 0.116545 0.179575 mean squared structural length of post-natals
L3_bi cm^3 0.0312214 0.0410366 0.0551473 0.118863 0.0603996 0.180567 mean cubed structural length of post-natals
Ww_bi g 0.0396336 0.054562 0.0999495 0.215429 0.138631 0.414443 mean wet weight of post-natals
L_pi cm 0.311885 0.343263 0.342174 0.428549 0.357776 0.466622 mean structural length of adults
L2_pi cm^2 0.0990131 0.126725 0.141885 0.262569 0.157296 0.348378 mean squared structural length of adults
L3_pi cm^3 0.0317845 0.0487239 0.0694083 0.201585 0.0840338 0.363214 mean cubed structural length of adults
Ww_pi g 0.0403484 0.064783 0.125796 0.365355 0.192877 0.833658 mean wet weight of adults
R 1/d 0.00158291 0.0223146 0.0735621 0.18367 0.097877 0.306189 mean reproduction rate of adults
J_X g/d 0.0010546 0.00145273 0.00395602 0.00547421 0.00644171 0.00991056 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 0.209027 0.0382266 0.214484 0.0433722 yield of living structure on food
Y_VX_d mol/mol 0.019462 0.0454115 0.00011305 0.0797735 3.99983e-05 0.0866023 yield of dead structure on food
Y_EX mol/mol 0 0 0.169815 0.0310556 0.277805 0.0561768 yield of living reserve on food
Y_EX_d mol/mol 0.00524372 0.0149673 9.18429e-05 0.0648088 5.18068e-05 0.11217 yield of dead reserve on food
Y_CX mol/mol 0.865919 0.830246 0.511578 0.67676 0.398245 0.592304 yield of CO2 on food
Y_HX mol/mol 0.622981 0.597316 0.368052 0.486892 0.286515 0.42613 yield of H2O on food
Y_OX mol/mol -0.941687 -0.902893 -0.556341 -0.735977 -0.433091 -0.644131 yield of O2 on food
Y_NX mol/mol 0.129888 0.124537 0.0767367 0.101514 0.0597367 0.0888456 yield of N-waste on food
mu_TX J/mol 459885 441562 274481 360775 212417 314922 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