Potomida littoralis

COMPLETE = 2.4; MRE = 0.072; SMAE = 0.074; SMSE = 0.009

Data & predictions

data prd RE symbol units description
10 48.71 3.871 ab d age at birth
2.92e+04 2.926e+04 0.002122 am d life span
0.02 0.0255 0.2751 Lb cm shell length at birth
0.03 0.02551 0.1498 Lj cm shell length at settlement
1.2 1.202 0.002079 Lp cm shell length at puberty
10 9.521 0.04789 Li cm ultimate shell length
36 37.54 0.0428 Wwi g ultimate dry weight
274 285.2 0.04106 Ri 1/d maximum reproduction rate
see figure 0.08339 tL time vs. shell length
0.02 0.0003436 0.9828 psd.v cm/d energy conductance
0.8 0.9636 0.2045 psd.kap - allocation fraction to soma
0.95 0.95 0 psd.kap_R - reproduction efficiency
18 13.52 0.2489 psd.p_M J/d.cm^3 vol-spec som maint
0.002 0.001744 0.1283 psd.k_J 1/d maturity maint rate coefficient
0.8 0.7992 0.0009548 psd.kap_G - growth efficiency
0.3 0.3038 0.01261 psd.k - maintenance ratio

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 - 1.162 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 0.0003436 1 energy conductance
kap - 0.9636 1 allocation fraction to soma
kap_R - 0.95 0 reproduction efficiency
p_M J/d.cm^3 13.52 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 0.001744 1 maturity maint rate coefficient
E_G J/cm^3 2356 1 [E_G], spec cost for structure
E_Hb J 2.762e-06 1 maturity at birth
E_Hj J 2.763e-06 1 maturity at metam
E_Hp J 0.5533 1 maturity at puberty
h_a 1/d^2 3.19e-09 1 Weibull aging acceleration
s_G - 0.0001 0 Gompertz stress coefficient
del_M - 0.1221 1 shape coefficient
f - 1 0 scaled functional response for 0-var data
f_tL - 1.131 1 scaled functional response for tL data