Polypterus senegalus: Population traits

at T = 26 °C with background hazards for embryo, juv, adult: 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 std f_minf f_max date: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.223424 0.386082 0.693041 0.693041 1 1 scaled functional response
r 1/d 0 0 0.00545567 7.15419e-05 0.0065864 9.8763e-05 spec pop growth rate
t2 d NaN NaN 127.051 9688.69 105.239 7018.28 population doubling time
a_b d 13.5058 12.4814 11.6454 11.6454 11.2543 11.2543 age at birth
t_p d 3328.12 626.675 379.124 379.124 308.44 308.44 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.448608 1 0.375536 1 0.341772 survival probability at puberty
theta_0b - 0.00101214 0.210109 0.0615033 0.336666 0.0713731 0.387013 frac of ind that is embryo
theta_bp - 0.00101346 0.140694 0.0577717 0.206118 0.0663457 0.226058 fraction of individuals that is juvenile
theta_pi - 0.997974 0.649197 0.880725 0.457217 0.862281 0.38693 frac of ind that is adult
L_bi cm 1.80493 1.63739 1.16352 1.39394 1.19046 1.23748 mean structural length of post-natals
L2_bi cm^2 3.3113 4.61356 2.09685 5.94601 2.29023 6.62816 mean squared structural length of post-natals
L3_bi cm^3 6.11345 14.2658 4.88534 31.4379 5.90081 48.5971 mean cubed structural length of post-natals
Ww_bi g 9.0158 25.9692 12.0796 77.7343 18.4393 151.86 mean wet weight of post-natals
L_pi cm 1.80661 1.95893 1.22893 1.95008 1.26887 1.86474 mean structural length of adults
L2_pi cm^2 3.31464 5.60823 2.23254 8.61472 2.46414 10.4845 mean squared structural length of adults
L3_pi cm^3 6.11965 17.3567 5.20548 45.6084 6.35442 76.9865 mean cubed structural length of adults
Ww_pi g 9.02496 31.5958 12.8712 112.773 19.8568 240.574 mean wet weight of adults
R 1/d 0 0.042809 0.0059209 0.117024 0.0110352 0.16983 mean reproduction rate of adults
J_X g/d 0.077422 0.186403 0.152077 0.431242 0.239671 0.693632 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 0.175259 0.00521545 0.16216 0.00691952 yield of living structure on food
Y_VX_d mol/mol 0.00635596 0.0173085 3.82774e-06 0.0210768 2.17723e-06 0.0224185 yield of dead structure on food
Y_EX mol/mol 0 0 0.258091 0.00768043 0.344571 0.0147032 yield of living reserve on food
Y_EX_d mol/mol 0.00301749 0.0141995 5.63684e-06 0.0310383 4.62636e-06 0.0476367 yield of dead reserve on food
Y_CX mol/mol 0.881252 0.859117 0.457266 0.825614 0.383888 0.798947 yield of CO2 on food
Y_HX mol/mol 0.634012 0.618087 0.328977 0.593983 0.276186 0.574798 yield of H2O on food
Y_OX mol/mol -0.958361 -0.93429 -0.497276 -0.897855 -0.417478 -0.868855 yield of O2 on food
Y_NX mol/mol 0.132188 0.128868 0.0685898 0.123842 0.0575832 0.119842 yield of N-waste on food
mu_TX J/mol 467662 456036 242915 438059 201903 423544 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