Pyrosoma atlanticum

COMPLETE = 2.0; MRE = 0.106; SMAE = 0.139; SMSE = 0.028

Data & predictions

data prd RE symbol units description
1.7 1.576 0.07311 ab d age at birth
90 94.52 0.05024 tp d time since birth at puberty
40 40 4.175e-05 am d life span
4 3.798 0.05044 Lp cm colony length at puberty
50 55.64 0.1127 Li cm ultimate colony length
1.4e-05 1.401e-05 0.0009061 Wwb g wet weight at birth
4.11e+04 4.701e+04 0.1439 Ri #/d maximum reprod rate
see figure 0.2071 LWw length of colony vs. wet weight
see figure 0.2657 LWw1 length of colony vs. wet weight
see figure 0.1623 WJO colony wet weight vs. respiration rate
0.02 0.02377 0.1883 psd.v cm/d energy conductance
18 30.71 0.7062 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 0.1357 0.5475 psd.k - maintenance ratio
0.8 0.9 0.125 psd.kap - allocation fraction to soma
0.8 0.8029 0.003674 psd.kap_G - growth efficiency
0.95 0.475 0.5 psd.kap_R - reproduction efficiency

std 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 - 9.176 1 zoom factor
F_m l/d.cm^2 600 0 {F_M}, max spec searching rate
kap_X - 0.7 0 digestion efficiency of food to reserve
kap_P - 0.1 0 faecation efficiency of food to faeces
v cm/d 0.02377 1 energy conductance
kap - 0.9 0 allocation fraction to soma
kap_R - 0.475 0 reproduction efficiency
p_M J/d.cm^3 30.71 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 2084 1 [E_G], spec cost for structure
E_Hb J 0.0004 1 maturity at birth
E_Hp J 74.09 1 maturity at puberty
h_a 1/d^2 0.02577 1 Weibull aging acceleration
s_G - 0.0001 0 Gompertz stress coefficient
del_L - 1.752 1 scaling exponent for LW data
del_M - 0.1649 1 shape coefficient
f - 1 0 scaled functional response for 0-var data