Apteryx mantelli

COMPLETE = 2.5; MRE = 0.025; SMAE = 0.027; SMSE = 0.001

Data & predictions

data prd RE symbol units description
82.5 82.31 0.002291 ab d age at birth
7 6.901 0.01419 tx d time since birth at fledging
21 22.79 0.08521 tp d time since birth at puberty
928 928 0 tR d time since birth at 1st brood
1.825e+04 1.869e+04 0.02414 am d life span
79.75 81.89 0.02688 Li cm ultimate physical (tail included) length
239.2 224.2 0.06278 Wwb g wet weight at birth
2350 2457 0.04563 Wwi g ultimate wet weight
0.01644 0.01547 0.05913 Ri #/d maximum reprod rate
see figure 0.01904 tWw time since birth vs. wet weight
0.02 0.08662 3.331 psd.v cm/d energy conductance
18 24.31 0.3506 psd.p_M J/d.cm^3 vol-spec som maint
0.002 0.001 0.4999 psd.k_J 1/d maturity maint rate coefficient
0.3 0.3 3.297e-05 psd.k - maintenance ratio
0.8 0.8619 0.07737 psd.kap - allocation fraction to soma
0.8 0.8032 0.00406 psd.kap_G - growth efficiency
0.95 0.95 0 psd.kap_R - reproduction efficiency

std parameters at 20.0°C

symbol units value free description
T_ref K 293.1 0 Reference temperature
T_A K 9000 0 Arrhenius temperature
z - 11.57 1 zoom factor
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 0.08662 1 energy conductance
kap - 0.8619 1 allocation fraction to soma
kap_R - 0.95 0 reproduction efficiency
p_M J/d.cm^3 24.31 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 0.001 1 maturity maint rate coefficient
E_G J/cm^3 7293 1 [E_G], spec cost for structure
E_Hb J 1.996e+05 1 maturity at birth
E_Hp J 3.228e+05 1 maturity at puberty
h_a 1/d^2 7.254e-15 1 Weibull aging acceleration
s_G - 0.01 0 Gompertz stress coefficient
E_Hx J 2.345e+05 1 maturity at fledging
del_M - 0.1413 1 shape coefficient
f - 1 0 scaled functional response for 0-var data
f_tW - 0.9846 1 scaled functional response for tW data
t_R d 928 0 time since birth at first brood