Rhea americana

COMPLETE = 2.7; MRE = 0.135; SMAE = 0.214; SMSE = 0.028

Data & predictions

data prd RE symbol units description
36 33.27 0.07581 ab d age at birth
150 119.1 0.2057 tx d time since birth at fledching
426 495.3 0.1627 tR d time since birth at 1st brood
5475 6041 0.1034 am d life span
150 151.1 0.007566 Li cm ultimate total length
575 486.2 0.1545 Ww0 g egg wet weight
431.2 394.6 0.08494 Wwb g wet weight at birth
2.3e+04 2.437e+04 0.05957 Wwi g ultimate wet weight for females
4e+04 3.356e+04 0.161 Wwim g ultimate wet weight for males
3.092e+06 3.133e+06 0.01317 E0 J energy in egg
0.0137 0.01269 0.07369 Ri #/d maximum reprod rate
see figure 0.1691 tW_m time since birth vs. wet weight
see figure 0.1511 tW_f time since birth vs. wet weight
see figure 0.1825 tJO time vs. O2 consumption
0.02 0.2094 9.473 psd.v cm/d energy conductance
0.8 0.9858 0.2322 psd.kap - allocation fraction to soma
0.95 0.95 0 psd.kap_R - reproduction efficiency
18 40.31 1.24 psd.p_M J/d.cm^3 vol-spec som maint
0.002 0.002 0 psd.k_J 1/d maturity maint rate coefficient
0.8 0.7993 0.0009031 psd.kap_G - growth efficiency

std parameters at 20.0°C

symbol units value free description
T_ref K 293.1 0 Reference temperature
z - 24.14 1 zoom factor for females
F_m l/d.cm^2 6.5 0 {F_m}, max spec searching rate
kap_X - 0.8 0 digestion efficiency of food to reserve
kap_P - 0.1 0 faecation efficiency of food to faeces
v cm/d 0.2094 1 energy conductance
kap - 0.9858 1 allocation fraction to soma
kap_R - 0.95 0 reproduction efficiency
p_M J/d.cm^3 40.31 1 [p_M], vol-spec somatic maint
p_T J/d.cm^2 0 0 {p_T}, surf-spec somatic maint
k_J 1/d 0.002 0 maturity maint rate coefficient
E_G J/cm^3 7329 1 [E_G], spec cost for structure
E_Hb J 2.724e+04 1 maturity at birth
E_Hp J 8.662e+05 1 maturity at puberty
h_a 1/d^2 2.232e-16 1 Weibull aging acceleration
s_G - 0.05 0 Gompertz stress coefficient
E_Hx J 8.662e+05 1 maturity at fledging
T_A K 9000 0 Arrhenius temperature
del_M - 0.1598 1 shape coefficient
f - 1 0 scaled functional response for 0-var data
f_e - 1 0 scaled functional response for tJO data
f_tW - 0.9993 1 scaled functional response for tW data
t_0 d 15.83 0 time at start development at T
t_N d 365 0 time between clutches at T
z_m - 26.5 1 zoom factor for males