Callorhinus ursinus

COMPLETE = 2.5; MRE = 0.141; SMAE = 0.140; SMSE = 0.039

Data & predictions

data prd RE symbol units description
250 263.4 0.05357 tg d gestation time
122 129.5 0.06172 tx d time since birth at weaning
1710 1511 0.1163 tp d time since birth at puberty
9490 9590 0.01051 am d life span
60 55.63 0.07288 Lb cm total length at birth
115 119.3 0.03707 Lp cm total length st puberty
140 149 0.06407 Li cm ultimate total length for females
210 202.2 0.03718 Lim cm ultimate total length for males
4500 2784 0.3812 Wwb g wet weight at birth for females
5400 8025 0.4862 Wwbm g wet weight at birth for males
2.5e+04 2.744e+04 0.0976 Wwp g wet weight at puberty
4e+04 5.348e+04 0.3369 Wwi g ultimate wet weight for females
2.25e+05 1.624e+05 0.2783 Wwim g ultimate wet weight for males
0.00274 0.002659 0.02964 Ri #/d maximum reprod rate
see figure 0.04802 tL time since birth vs. total length
0.02 0.02496 0.2478 psd.v cm/d energy conductance
0.8 0.8702 0.08775 psd.kap - allocation fraction to soma
0.95 0.95 0 psd.kap_R - reproduction efficiency
18 8.11 0.5494 psd.p_M J/d.cm^3 vol-spec som maint
0.002 0.0002939 0.8531 psd.k_J 1/d maturity maint rate coefficient
0.8 0.7988 0.001562 psd.kap_G - growth efficiency
0.3 0.2847 0.05086 psd.k - maintenance ratio

stx parameters at 20.0°C

symbol units value free description
T_ref K 293.1 0 Reference temperature
z - 27.75 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 0.02496 1 energy conductance
kap - 0.8702 1 allocation fraction to soma
kap_R - 0.95 0 reproduction efficiency
p_M J/d.cm^3 8.11 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 0.0002939 1 maturity maint rate coefficient
E_G J/cm^3 7857 1 [E_G], spec cost for structure
E_Hb J 1.584e+06 1 maturity at birth
E_Hx J 2.941e+06 1 maturity at weaning
E_Hp J 3.236e+07 1 maturity at puberty
h_a 1/d^2 1.08e-11 1 Weibull aging acceleration
s_G - 0.1 0 Gompertz stress coefficient
t_0 d 0 0 time at start development
T_A K 8000 0 Arrhenius temperature
del_M - 0.1863 1 shape coefficient
f - 1 0 scaled functional response for 0-var data
f_tW - 0.9 0 scaled functional response for tW data
z_m - 37.67 1 zoom factor for males