Odobenus rosmarus rosmarus

COMPLETE = 2.5; MRE = 0.059; SMAE = 0.059; SMSE = 0.007

Data & predictions

data prd RE symbol units description
450 487.4 0.08305 tg d gestation time
730 704.1 0.03542 tx d time since birth at weaning
1825 2024 0.1088 tp d time since birth at puberty
2555 2311 0.09567 tpm d time since birth at puberty
1.46e+04 1.46e+04 5.485e-05 am d life span
120 121.2 0.009794 Lb cm total length at birth
270 291.5 0.0795 Li cm ultimate length fem.
320 343 0.07188 Lim cm ultimate length male
6e+04 5.763e+04 0.03945 Wwb g wet weight at birth
2e+05 2.094e+05 0.04676 Wwx g wet weight at weaning
8.5e+05 8.02e+05 0.05644 Wwi g ultimate wet weight fem.
1.5e+06 1.503e+06 0.002033 Wwim g ultimate wet weight male
0.00137 0.001373 0.002549 Ri #/d maximum reprod rate
see figure 0.06453 tL time since birth vs. total length
see figure 0.0456 tLm time since birth vs. total length
see figure 0.1617 LW standard length vs. wet weight
see figure 0.1062 LWm standard length vs. wet weight
0.02 0.03041 0.5205 psd.v cm/d energy conductance
0.8 0.8268 0.03345 psd.kap - allocation fraction to soma
0.95 0.95 0 psd.kap_R - reproduction efficiency
18 19.48 0.08214 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 0.7998 0.0002287 psd.kap_G - growth efficiency

stx parameters at 20.0°C

symbol units value free description
T_ref K 293.1 0 Reference temperature
z - 49.61 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 0.03041 1 energy conductance
kap - 0.8268 1 allocation fraction to soma
kap_R - 0.95 0 reproduction efficiency
p_M J/d.cm^3 19.48 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 7847 1 [E_G], spec cost for structure
E_Hb J 1.63e+07 1 maturity at birth
E_Hx J 6.334e+07 1 maturity at weaning
E_Hp J 1.537e+08 1 maturity at puberty
h_a 1/d^2 7.667e-12 1 Weibull aging acceleration
s_G - 0.1 0 Gompertz stress coefficient
t_0 d 8.134e-11 1 time at start development
T_A K 8000 0 Arrhenius temperature
del_M - 0.1702 1 shape coefficient
f - 1 0 scaled functional response for 0-var data
f_tL - 0.9102 1 scaled functional response for 1-var data
z_m - 58.39 1 zoom factor