Aequipecten opercularis

COMPLETE = 2.5; MRE = 0.051; SMAE = 0.054; SMSE = 0.006

Data & predictions

data prd RE symbol units description
2 1.968 0.01623 ab d age at birth
20 21.14 0.05677 tj d time since birth at metam
365 378.4 0.03673 tp d time since birth at puberty
3650 3649 0.0001852 am d life span
9 9.102 0.01138 Li cm ultimate shell height
1.64e-07 1.812e-07 0.1052 Wwb g wet weight at birth
107 106.7 0.002506 Wwi g ultimate wet weight
1.644e+04 1.374e+04 0.1642 Ri g max reproduction rate
see figure 0.0289 tL time vs. shell height
0.02 0.01667 0.1666 psd.v cm/d energy conductance
0.8 1 0.25 psd.kap - allocation fraction to soma
0.95 0.475 0.5 psd.kap_R - reproduction efficiency
18 38.79 1.155 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 0.8019 0.002375 psd.kap_G - growth efficiency

abj 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 - 0.38 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 0.01667 1 energy conductance
kap - 1 1 allocation fraction to soma
kap_R - 0.475 0 reproduction efficiency
p_M J/d.cm^3 38.79 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 2348 1 [E_G], spec cost for structure
E_Hb J 9.004e-09 1 maturity at birth
E_Hj J 1.239e-05 1 maturity at metam
E_Hp J 0.6447 1 maturity at puberty
h_a 1/d^2 3.605e-08 1 Weibull aging acceleration
s_G - 0.0001 0 Gompertz stress coefficient
Lw_0 cm 2.452 0 initial shell height for tL data
del_M - 0.4629 1 shape coefficient
f - 1 0 scaled functional response for 0-var data
f_tL - 0.8206 1 scaled functional response for tL data