Synodontis nebulosus: 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: 2025/02/23
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.528166 0.545149 0.772575 0.772575 1 1 scaled functional response
r 1/d 0 0 0.00592364 0.00130835 0.00862721 0.00194739 spec pop growth rate
t2 d NaN NaN 117.014 529.789 80.3443 355.937 population doubling time
a_b d 8.95173 8.90397 8.40014 8.40014 8.06074 8.06074 age at birth
t_j d 2.07449 2.01729 1.49983 1.49983 1.22229 1.22229 time since birth at metam
t_p d 3419.88 2616.22 1041.47 1041.47 727.709 727.709 time since birth at puberty
S_b - 0.999999 0.999999 1 1 1 1 survival probability at birth
S_j - 0.999999 0.857229 0.999999 0.856864 0.999999 0.856675 survival probability at metam
S_p - 0.999997 0.621332 0.999998 0.560889 0.999998 0.516823 survival probability at puberty
theta_0b - 0.00237446 0.170331 0.0484885 0.251896 0.0670632 0.291865 frac of ind that is embryo
theta_bj - 0.000551387 0.0358368 0.00842045 0.0414757 0.00978821 0.0407217 frac of ind between b and j
theta_jp - 0.00182793 0.0963182 0.0377907 0.141988 0.0528987 0.162383 frac of ind between j and p
theta_pi - 0.995246 0.697514 0.9053 0.56464 0.87025 0.50503 frac of ind that is adult
L_bi cm 1.28179 0.416531 0.431897 0.23981 0.393433 0.224504 mean structural length of post-natals
L2_bi cm^2 1.79762 0.407527 0.281677 0.139802 0.238872 0.121585 mean squared structural length of post-natals
L3_bi cm^3 2.61738 0.538479 0.239624 0.153572 0.195165 0.134292 mean cubed structural length of post-natals
Ww_bi g 3.30037 0.683509 0.331087 0.212189 0.291586 0.20064 mean wet weight of post-natals
L_pi cm 1.28467 0.480682 0.449819 0.291779 0.41582 0.282042 mean structural length of adults
L2_pi cm^2 1.8019 0.483584 0.29572 0.183142 0.255583 0.167794 mean squared structural length of adults
L3_pi cm^3 2.62364 0.640411 0.251829 0.203302 0.209181 0.188078 mean cubed structural length of adults
Ww_pi g 3.30826 0.812895 0.34795 0.280901 0.312528 0.280998 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.0233328 0.00545975 0.00534883 0.00265461 0.00587169 0.0029885 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 0.265376 0.0756891 0.286753 0.0875086 yield of living structure on food
Y_VX_d mol/mol 0.0444759 0.0936681 0.000525493 0.151671 0.000233679 0.168231 yield of dead structure on food
Y_EX mol/mol 0 0 0.101292 0.02889 0.141672 0.0432339 yield of living reserve on food
Y_EX_d mol/mol 0.0116056 0.0252279 0.000200577 0.0578918 0.00011545 0.0831152 yield of dead reserve on food
Y_CX mol/mol 0.834543 0.771729 0.523231 0.576483 0.461851 0.508536 yield of CO2 on food
Y_HX mol/mol 0.600408 0.555216 0.376436 0.414748 0.332276 0.365863 yield of H2O on food
Y_OX mol/mol -0.907566 -0.839255 -0.569014 -0.626925 -0.502263 -0.553033 yield of O2 on food
Y_NX mol/mol 0.125182 0.115759 0.0784847 0.0864725 0.0692776 0.0762804 yield of N-waste on food
mu_TX J/mol 443879 411791 283728 311090 251024 275138 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