Mercenaria mercenaria (Hard clam):  

Parameter values for this entry

Model:  abj  

Primary parameters at reference temperature (20 deg. C)
symbol value units description
p_Am 1.75049 J/^2{p_Am}, spec assimilation flux
F_m 6.5 l/^2{F_m}, max spec searching rate
kap_X 0.36819 -digestion efficiency of food to reserve
kap_P 0.1 -faecation efficiency of food to faeces
v 0.022933 cm/denergy conductance
kap 0.98057 -allocation fraction to soma
kap_R 0.95 -reproduction efficiency
p_M 4.6637 J/^3[p_M], vol-spec somatic maint
p_T 0 J/^2{p_T}, surf-spec somatic maint
k_J 0.00058167 1/dmaturity maint rate coefficient
E_G 2404.71 J/cm^3[E_G], spec cost for structure
E_Hb 1.069e-06 Jmaturity at birth
E_Hj 0.003049 Jmaturity at metamorphosis
E_Hp 144.7 Jmaturity at puberty
h_a 1.107e-11 1/d^2Weibull aging acceleration
s_G 0.0001 -Gompertz stress coefficient
Parameters specific for this entry at reference temperature (20 deg. C)
symbol value units description
T_AH 54222 KArrhenius temperature above the upper boundary
T_AL 125550 KArrhenius temperature below the lower boundary
T_H 300.15 Kupper boundary tolerance range
T_L 282.15 Klower boundary tolerance range
del_Mb 0.74516 -shape coefficient for embryo and larvae
del_Mj 0.38239 -shape coefficient for juvenile and adult
f 1 -scaled functional response for 0-var data
f_CharShri2004 1 -scaled functional response for CharShri2004 data
f_RiceHick1989 0.57213 -scaled functional response for RiceHick1989 data
f_RigwRich2011 0.65175 -scaled functional response for RigwRich2011 data
Temperature parameters
symbol value units description
T_A 12000 KArrhenius temperature
T_ref 293.15 KReference temperature
Chemical parameters
Food Structure Reserve Faeces
Chemical potentials (J/C-mol) 525000 500000 550000480000
Specific density for dry weight (g/cm^3) 0.09 0.09 0.090.09
Food Structure Reserve Faeces
Chemical indices for organicsCarbon 1 111
Hydrogen 1.8
Oxygen 0.5
Nitrogen 0.15
Chemical indices for mineralsCarbon 1 000
Hydrogen 0 203
Oxygen 2 120
Nitrogen 0 001