Lymnaea stagnalis (Pond snail):  

Parameter values for this entry

Model:  abj  

Primary parameters at reference temperature (20 deg. C)
symbol value units description
p_Am 25.2049 J/^2{p_Am}, spec assimilation flux
F_m 6.5 l/^2{F_m}, max spec searching rate
kap_X 0.8 -digestion efficiency of food to reserve
kap_P 0.1 -faecation efficiency of food to faeces
v 0.01394 cm/denergy conductance
kap 0.6876 -allocation fraction to soma
kap_R 0.475 -reproduction efficiency
p_M 58.57 J/^3[p_M], vol-spec somatic maint
p_T 0 J/^2{p_T}, surf-spec somatic maint
k_J 0.002 1/dmaturity maint rate coefficient
E_G 3900 J/cm^3[E_G], spec cost for structure
E_Hb 0.285 Jmaturity at birth
E_Hj 50.1 Jmaturity at metam
E_Hp 496.6 Jmaturity at puberty
h_a 1.287e-05 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
L_0 0.4343 cminitial structural length in tL_100, tL_50, tL_25 data
L_0A 0.9866 cminitial structural length in A till D data
L_0BohlJoos1982 0.694 cminitial structural length in D data
L_0FLE 0.05 cminitial structural length in tL_FLE data
N_0 50 #initial cumulative # of eggs in tN_A till tN_D data
N_100 20 #initial cumulative # of eggs in tN_100 data
N_25 20 #initial cumulative # of eggs in tN_25 data
N_50 20 #initial cumulative # of eggs in tN_50 data
del_M 0.341 -shape coefficient
f 1 -scaled functional response for 0-var data
f_100 1.292 -scaled functional response for tL_100 data
f_25 0.617 -scaled functional response for tL_25 data
f_50 0.823 -scaled functional response for tL_50 data
f_A 1.964 -scaled functional response for tL_A data
f_B 0.3155 -scaled functional response for tL_B data
f_BohlJoos1982 1.1 -scaled functional response for tL_BohlJoos1982 data
f_C 0.8873 -scaled functional response for tL_C data
f_D 0.192 -scaled functional response for tL_D data
f_FLE 1.286 -scaled functional response for tL_FLE data
w_s 0.35 -contibution of shell in tWd_A till tWd_D data
Temperature parameters
symbol value units description
T_A 8000 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) 0.15 0.15 0.150.15
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