Mya arenaria

COMPLETE = 2.6; MRE = 0.345; SMAE = 0.263; SMSE = 0.129

Data & predictions

data prd RE symbol units description
2 2.069 0.03436 ab d age at birth
291 285.4 0.01916 tj d time since birth at metam
1.022e+04 1.022e+04 1.937e-05 am d life span
0.0165 0.05995 2.633 Lb cm shell length at birth
2.34 2.364 0.01045 Lp cm shell length at puberty
15 19.31 0.2875 Li cm ultimate shell length
0.03 0.02878 0.04054 Wdp g dry weight at puberty
22.3 15.68 0.2967 Wdi g ultimate dry weight
8219 8956 0.08962 Ri #/d maximum reprod rate
see figure 0.2122 LW shell length vs. somatic wet weight
see figure 0.259 tL time since birth vs. shell length
see figure 0.2292 tW time since birth vs. somatic ashfree dry weight
see figure 0.3832 tWR time since birth vs. gonadic ashfree dry weight
0.02 0.06593 2.296 psd.v cm/d energy conductance
18 8.364 0.5353 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 0.5656 0.8855 psd.k - maintenance ratio
0.8 0.8096 0.01195 psd.kap - allocation fraction to soma
0.8 0.7959 0.005108 psd.kap_G - growth efficiency
0.95 0.95 0 psd.kap_R - reproduction efficiency

abj parameters at 20.0°C

symbol units value free description
z - 0.3112 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 0.06593 1 energy conductance
kap - 0.8096 1 allocation fraction to soma
kap_R - 0.95 0 reproduction efficiency
p_M J/d.cm^3 8.364 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 2366 1 [E_G], spec cost for structure
E_Hb J 0.002838 1 maturity at birth
E_Hj J 16.41 1 maturity at metam
E_Hp J 181.5 1 maturity at puberty
h_a 1/d^2 6.918e-10 1 Weibull aging acceleration
s_G - 0.0001 0 Gompertz stress coefficient
T_A K 7051 0 Arrhenius temperature
T_ref K 293.1 0 Reference temperature
del_M - 0.287 1 shape coefficient
f - 1 0 scaled functional response for 0-var data