Predictions & Data for this entry

Model: stx climate: MC, ME migrate: Mo
COMPLETE = 2.5 ecozone: MN, MPN, MAN food: bxM, xiCi
MRE = 0.059 habitat: 0iMp gender: Dg
SMSE = 0.059 embryo: Tv reprod: O

Zero-variate data
tg450 487.2 (0.08265)dgestation timeADW
tx730 703.8 (0.03594)dtime since birth at weaningAnAge
tp1825 2024 (0.1089)dtime since birth at pubertyADW
tpm2555 2311 (0.09547)dtime since birth at pubertyADW
am1.46e+04 1.46e+04 (5.485e-05)dlife spanAnAge
Lb120 121.1 (0.009425)cmtotal length at birthADW
Li270 291.5 (0.0795)cmultimate length fem.ADW
Lim320 343 (0.07188)cmultimate length maleADW
Wwb6e+04 5.757e+04 (0.0405)gwet weight at birthAnAge
Wwx2e+05 2.092e+05 (0.04584)gwet weight at weaningAnAge
Wwi8.5e+05 8.02e+05 (0.05644)gultimate wet weight fem.ADW
Wwim1.5e+06 1.503e+06 (0.002033)gultimate wet weight maleADW
Ri0.00137 0.001375 (0.003737)#/dmaximum reprod rateADW
Uni-variate data
DatasetFigure(RE)Independent variableDependent variableReference
tL see Fig. 1 (0.06453)time since birthtotal lengthGarlStew1998
tLm see Fig. 1 (0.0456)time since birthtotal lengthGarlStew1998
LW see Fig. 2 (0.1617)standard lengthwet weightGarlStew1998
LWm see Fig. 2 (0.1062)standard lengthwet weightGarlStew1998
Pseudo-data at Tref
DataGeneralised animalOdobenus rosmarus rosmarusUnitDescription
v 0.02 0.03041cm/denergy conductance
kap 0.8 0.8268-allocation fraction to soma
kap_R 0.95 0.95-reproduction efficiency
p_M 18 19.48J/^3vol-spec som maint
k_J 0.002 0.0021/dmaturity maint rate coefficient
kap_G 0.8 0.7998-growth efficiency


  • This species is subdivided into three subspecies:the Atlantic walrus (O. r. rosmarus) which lives in the Atlantic Ocean, the Pacific walrus (O. r. divergens) which lives in the Pacific Ocean, and O. r. laptevi, which lives in the Laptev Sea of the Arctic Ocean. (ref: Wiki)
  • Sexual dimorphism: males larger (ref: ADW)


  • Males and females assumed to differ by {p_Am} only.


  • The creation of this entry was support by the Norwegian Science Council (NFR 255295)


Bibtex file with references for this entry

Starrlight Augustine, Ana Sofia Aniceto, 2016/12/05

accepted: 2016/12/05

refer to this entry as: AmP Odobenus rosmarus rosmarus version 2016/12/05