Rhodeus amarus: 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 - 0.367503 0.494527 0.747263 0.747263 1 1 scaled functional response
r 1/d 0 0 0.00749773 0.000798496 0.0115727 0.00132245 spec pop growth rate
t2 d NaN NaN 92.4476 868.065 59.8952 524.14 population doubling time
a_b d 19.1031 18.1691 16.946 16.946 16.1463 16.1463 age at birth
t_j d 82.7633 59.8751 39.8807 39.8807 30.7398 30.7398 time since birth at metam
t_p d 2126.01 805.331 428.759 428.759 306.338 306.338 time since birth at puberty
S_b - 0.99999 0.999992 0.999993 0.999993 0.999994 0.999994 survival probability at birth
S_j - 0.999942 0.629354 0.999962 0.513867 0.999968 0.434818 survival probability at metam
S_p - 0.999542 0.21739 0.99989 0.208693 0.999932 0.204832 survival probability at puberty
theta_0b - 0.0094978 0.204948 0.119334 0.317431 0.170365 0.38273 frac of ind that is embryo
theta_bj - 0.00951896 0.164345 0.105228 0.229141 0.141473 0.254905 frac of ind between b and j
theta_jp - 0.031715 0.182653 0.122702 0.141658 0.106999 0.101612 frac of ind between j and p
theta_pi - 0.949268 0.448054 0.652736 0.31177 0.581163 0.260753 frac of ind that is adult
L_bi cm 0.546251 0.367787 0.368245 0.318923 0.345154 0.301547 mean structural length of post-natals
L2_bi cm^2 0.321002 0.215239 0.185429 0.197788 0.167206 0.193564 mean squared structural length of post-natals
L3_bi cm^3 0.195574 0.157361 0.116658 0.183213 0.105071 0.20832 mean cubed structural length of post-natals
Ww_bi g 0.220252 0.18408 0.146589 0.23022 0.141146 0.279845 mean wet weight of post-natals
L_pi cm 0.563738 0.54715 0.446369 0.535523 0.430822 0.526315 mean structural length of adults
L2_pi cm^2 0.33403 0.367271 0.242719 0.410282 0.229521 0.431927 mean squared structural length of adults
L3_pi cm^3 0.203933 0.277149 0.156267 0.397865 0.148603 0.489377 mean cubed structural length of adults
Ww_pi g 0.229665 0.324207 0.19636 0.499944 0.199625 0.657402 mean wet weight of adults
R 1/d 0 0.02066 0.0118391 0.102668 0.0342637 0.170381 mean reproduction rate of adults
J_X g/d 0.00258274 0.00234629 0.00310602 0.00329059 0.0037646 0.00433062 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 0.281605 0.0444586 0.322996 0.0636151 yield of living structure on food
Y_VX_d mol/mol 0.0555553 0.117081 0.00143697 0.137924 0.000578371 0.153217 yield of dead structure on food
Y_EX mol/mol 0 0 0.0722508 0.0114066 0.110898 0.0218418 yield of living reserve on food
Y_EX_d mol/mol 0.00700994 0.0198794 0.000368681 0.0353868 0.000198579 0.052606 yield of dead reserve on food
Y_CX mol/mol 0.82806 0.753665 0.534963 0.661449 0.455953 0.599345 yield of CO2 on food
Y_HX mol/mol 0.595743 0.54222 0.384876 0.475876 0.328033 0.431195 yield of H2O on food
Y_OX mol/mol -0.900515 -0.81961 -0.581772 -0.719326 -0.495849 -0.651788 yield of O2 on food
Y_NX mol/mol 0.124209 0.11305 0.0802445 0.0992173 0.068393 0.0899018 yield of N-waste on food
mu_TX J/mol 440867 403026 291038 355572 249609 323138 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