Carcharhinus signatus

COMPLETE = 2.5; MRE = 0.098; SMAE = 0.092; SMSE = 0.014

Data & predictions

data prd RE symbol units description
305 335.1 0.09865 ab d age at birth
5475 5514 0.007158 am d life span
60 54.26 0.09573 Lb cm total length at birth
202 200.6 0.007029 Lp cm total length at puberty for females
185 181.6 0.01824 Lpm cm total length at puberty for males
280 289.1 0.03265 Li cm ultimate total length for females
1.54e+05 1.489e+05 0.03334 Wwi g ultimate wet weight (female)
0.02192 0.02217 0.01171 Ri #/d maximum reprod rate
see figure 0.1624 tL_f time since birth vs. total length
see figure 0.1567 tL_m time since birth vs. total length
0.02 0.04512 1.256 psd.v cm/d energy conductance
0.8 0.7947 0.006638 psd.kap - allocation fraction to soma
0.95 0.95 0 psd.kap_R - reproduction efficiency
18 19.91 0.1061 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 0.8025 0.003159 psd.kap_G - growth efficiency

stf 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 - 31.44 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 0.04512 1 energy conductance
kap - 0.7947 1 allocation fraction to soma
kap_R - 0.95 0 reproduction efficiency
p_M J/d.cm^3 19.91 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 5214 1 [E_G], spec cost for structure
E_Hb J 3.189e+05 1 maturity at birth
E_Hp J 2.383e+07 1 maturity at puberty
h_a 1/d^2 1.107e-08 1 Weibull aging acceleration
s_G - 0.0001 0 Gompertz stress coefficient
E_Hpm J 1.7e+07 1 maturity at puberty for males
del_M - 0.1087 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 - 31.53 1 zoom factor for males