Synodontis membranaceus: Population traits

at T = 22 °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: 2024/09/21
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.47656 0.494811 0.747405 0.747405 1 1 scaled functional response
r 1/d 0 0 0.00684432 0.00113665 0.00941046 0.00156882 spec pop growth rate
t2 d NaN NaN 101.273 609.817 73.6571 441.827 population doubling time
a_b d 8.1471 8.10103 7.63862 7.63862 7.36092 7.36092 age at birth
t_j d 1.99051 1.93845 1.48148 1.48148 1.257 1.257 time since birth at metam
t_p d 3194.93 2446.74 1018.74 1018.74 751.206 751.206 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.749213 1 0.748412 1 0.748037 survival probability at metam
S_p - 0.999999 0.440128 0.999999 0.381818 0.999999 0.346907 survival probability at puberty
theta_0b - 0.00217025 0.294956 0.0508799 0.379 0.0668471 0.415386 frac of ind that is embryo
theta_bj - 0.000531123 0.0614043 0.00957774 0.0635808 0.0109746 0.0612404 frac of ind between b and j
theta_jp - 0.00164275 0.129012 0.0387813 0.161999 0.0514844 0.173564 frac of ind between j and p
theta_pi - 0.995656 0.514628 0.900761 0.395421 0.870694 0.34981 frac of ind that is adult
L_bi cm 2.03698 0.457399 0.622809 0.260432 0.570257 0.244733 mean structural length of post-natals
L2_bi cm^2 4.51368 0.685408 0.622591 0.239929 0.537377 0.213991 mean squared structural length of post-natals
L3_bi cm^3 10.3406 1.44634 0.824867 0.470773 0.693494 0.444941 mean cubed structural length of post-natals
Ww_bi g 15.9253 2.25739 1.52354 0.869528 1.47942 0.949184 mean wet weight of post-natals
L_pi cm 2.04126 0.599227 0.652001 0.365323 0.605327 0.356466 mean structural length of adults
L2_pi cm^2 4.52353 0.93696 0.655675 0.373406 0.575441 0.353434 mean squared structural length of adults
L3_pi cm^3 10.3632 1.98134 0.869123 0.739071 0.7432 0.743259 mean cubed structural length of adults
Ww_pi g 15.9601 3.0924 1.60529 1.36508 1.58545 1.58558 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.106876 0.0168511 0.0231293 0.00891266 0.026715 0.0106373 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 0.244091 0.0600386 0.244286 0.0656215 yield of living structure on food
Y_VX_d mol/mol 0.0371951 0.0815597 0.000282271 0.126721 0.00013083 0.132379 yield of dead structure on food
Y_EX mol/mol 0 0 0.20675 0.0508539 0.276845 0.0743675 yield of living reserve on food
Y_EX_d mol/mol 0.0200882 0.0457354 0.000239089 0.107336 0.000148267 0.150022 yield of dead reserve on food
Y_CX mol/mol 0.833342 0.76333 0.439263 0.545675 0.369215 0.468235 yield of CO2 on food
Y_HX mol/mol 0.599543 0.549173 0.316025 0.392583 0.26563 0.336869 yield of H2O on food
Y_OX mol/mol -0.906259 -0.830121 -0.477699 -0.593422 -0.401521 -0.509206 yield of O2 on food
Y_NX mol/mol 0.125001 0.114499 0.0658895 0.0818513 0.0553823 0.0702353 yield of N-waste on food
mu_TX J/mol 442854 406566 236470 292116 197945 250086 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