Predictions & Data for this entry

Model: abj climate: MC migrate: Mo phylum:
COMPLETE = 2.8 ecozone: MANE food: bjPz, jiCi, jiCvf class:
MRE = 0.122 habitat: 0jMp, jiMc gender: D order:
SMSE = 0.027 embryo: Mp reprod: O family:

Zero-variate data

Data Observed Predicted (RE) Unit Description Reference
ab 9 9.916 (0.1018) d age at birth PovoDave2011
aj 59 47.92 (0.1878) d age at metam for female JoneHisl1972
aj_m 50 45.49 (0.09013) d age at metam for male JoneHisl1972
ap 262 290.2 (0.1077) d age at puberty for female calculated
ap_m 232 288.7 (0.2446) d age at puberty for male calculated
am 7300 7343 (0.005885) d life span FishBase
Lb 0.335 0.2573 (0.232) cm total length at first feeding PovoDave2011
Lj 0.75 1.245 (0.6596) cm total length at metamorphosis ShawDiek2008, Last1978
Lp 17.46 14.72 (0.1569) cm total length at puberty Datras
Lp_m 15.88 13.44 (0.1538) cm total length at puberty for males Datras
Li 80 74.64 (0.06702) cm ultimate total length Datras
Li_m 68 65.83 (0.03195) cm ultimate total length for males Datras
Wwb 0.0002203 0.0002219 (0.007161) g wet weight at birth estimate
Wwp 40.47 41.56 (0.02703) g wet weight at puberty calculated
Wwp_m 30.82 29.81 (0.03278) g wet weight at puberty for males calculated
Wwi 5695 5417 (0.04875) g ultimate female wet weight FishBase
Wwi_m 3128 3505 (0.1205) g ultimate male wet weight for males FishBase
Ri 9589 9510 (0.008208) #/d reprod rate HislHall1974

Uni- and bivariate data

Data Figure Independent variable Dependent variable (RE) Reference
tL_f Data for females, males time since birth total length (0.07753) unknown
tL_m Data for females, males time since birth total length (0.07056) unknown
LW_f total length wet weight (0.07922) Datras
LW_m total length wet weight (0.07125) Datras
LN total length fecundity (0.2179) HislHall1974

Pseudo-data at Tref = 20°C

Data Generalised animal Merlangius merlangus Unit Description
v 0.02 0.05662 cm/d energy conductance
p_M 18 47.4 J/d.cm^3 vol-spec som maint
k_J 0.002 0.002 1/d maturity maint rate coefficient
k 0.3 0.2197 - maintenance ratio
kap 0.8 0.5697 - allocation fraction to soma
kap_G 0.8 0.8038 - growth efficiency
kap_R 0.95 0.95 - reproduction efficiency

Discussion

  • FEMALE total length at maturity - NOTE L50% is decreasing over time: we chose lowest L50% in North Sea datras dataset (2008)
  • males are assumed to differ from females by {p_Am} and E_Hp only
  • mod_4: males have equal state variables at b, compared to females

Bibliography

Citation