Helostoma temminckii: Population traits

at T = 25 °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: 2025/04/29
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.391447 0.393815 0.696907 0.696907 1 1 scaled functional response
r 1/d 0 0 0.012687 0.00227538 0.0162272 0.00276054 spec pop growth rate
t2 d NaN NaN 54.6344 304.63 42.7152 251.091 population doubling time
a_b d 5.30328 5.29971 5.01667 5.01667 4.88623 4.88623 age at birth
t_j d 0.00610386 0.00608603 0.00480784 0.00480784 0.00430662 0.00430662 time since birth at metam
t_p d 1789.34 1703.48 587.534 587.534 460.884 460.884 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.997934 1 0.997923 1 0.997918 survival probability at metam
S_p - 1 0.3921 1 0.337633 1 0.313328 survival probability at puberty
theta_0b - 0.00195948 0.333969 0.0615821 0.427007 0.0761321 0.452383 frac of ind that is embryo
theta_bj - 2.25843e-06 0.000383659 5.72432e-05 0.000407093 6.45641e-05 0.000396196 frac of ind between b and j
theta_jp - 0.00195996 0.208734 0.057813 0.245226 0.0703625 0.249862 frac of ind between j and p
theta_pi - 0.996078 0.456913 0.880548 0.327361 0.853441 0.297358 frac of ind that is adult
L_bi cm 1.72377 0.405959 0.498086 0.189899 0.462698 0.1819 mean structural length of post-natals
L2_bi cm^2 3.16383 0.532337 0.405945 0.134256 0.361437 0.126534 mean squared structural length of post-natals
L3_bi cm^3 5.94786 0.92276 0.443641 0.216928 0.391626 0.225448 mean cubed structural length of post-natals
Ww_bi g 13.8667 2.15873 1.4952 0.731114 1.72361 0.992236 mean wet weight of post-natals
L_pi cm 1.72705 0.565586 0.526747 0.287978 0.495645 0.284318 mean structural length of adults
L2_pi cm^2 3.17006 0.77445 0.432366 0.2323 0.390923 0.229889 mean squared structural length of adults
L3_pi cm^3 5.95958 1.34499 0.472781 0.379532 0.423921 0.414988 mean cubed structural length of adults
Ww_pi g 13.894 3.14652 1.59341 1.27914 1.86575 1.82643 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.167305 0.0283205 0.0382179 0.0126396 0.0488268 0.0170936 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 0.147273 0.0390514 0.130154 0.036409 yield of living structure on food
Y_VX_d mol/mol 0.0172422 0.0409667 5.14759e-05 0.0780295 2.43815e-05 0.0720302 yield of dead structure on food
Y_EX mol/mol 0 0 0.349082 0.0925636 0.442674 0.123833 yield of living reserve on food
Y_EX_d mol/mol 0.0229559 0.054872 0.000122013 0.184953 8.29257e-05 0.244987 yield of dead reserve on food
Y_CX mol/mol 0.850427 0.794786 0.394096 0.496027 0.31769 0.413366 yield of CO2 on food
Y_HX mol/mol 0.611835 0.571805 0.28353 0.356864 0.22856 0.297394 yield of H2O on food
Y_OX mol/mol -0.924839 -0.86433 -0.42858 -0.539429 -0.345487 -0.449535 yield of O2 on food
Y_NX mol/mol 0.127564 0.119218 0.0591144 0.0744041 0.0476534 0.0620049 yield of N-waste on food
mu_TX J/mol 451253 421837 206775 261325 163894 215429 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