Carcharodon carcharias

COMPLETE = 1.8; MRE = 0.037; SMAE = 0.043; SMSE = 0.003

Data & predictions

data prd RE symbol units description
330 717.8 1.175 ab d age at birth
1.204e+04 3173 0.7366 tp d time since birth at puberty
2.664e+04 2.731e+04 0.02514 am d life span
140 152.9 0.09236 Lb cm total length at birth
475 491.2 0.0342 Lp cm total length at puberty
640 675.8 0.05594 Li cm ultimate total length
3.5e+04 3.864e+04 0.1039 Wwb g wet weight at birth
5.787e+05 1.281e+06 1.213 Wwp g wet weight at puberty
3.324e+06 3.334e+06 0.003045 Wwi g ultimate wet weight
0.005479 0.005568 0.01615 Ri #/d maximum reprod rate
see figure 0.03266 tL_fm time since birth vs. total length
0.02 0.02261 0.1303 psd.v cm/d energy conductance
18 537 28.83 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
0.3 0.01966 0.9345 psd.k - maintenance ratio
0.8 0.8782 0.09779 psd.kap - allocation fraction to soma
0.8 0.7927 0.009177 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 8000 0 Arrhenius temperature
z - 27.4 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 0.02261 0 energy conductance
kap - 0.8782 1 allocation fraction to soma
kap_R - 0.95 0 reproduction efficiency
p_M J/d.cm^3 537 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 5279 1 [E_G], spec cost for structure
E_Hb J 3.114e+06 1 maturity at birth
E_Hp J 2.495e+08 1 maturity at puberty
h_a 1/d^2 1.458e-10 1 Weibull aging acceleration
s_G - 0.0001 0 Gompertz stress coefficient
del_M - 0.04055 1 shape coefficient
f - 1 0 scaled functional response for 0-var data
f_tL - 1 0 scaled functional response for tL data
z_m - 20.11 1 zoom factor for males