Predictions & Data for this entry

Model: std climate: Csa migrate:
COMPLETE = 2.5 ecozone: THp food: biH
MRE = 0.104 habitat: 0iTh gender: Dtmf
SMSE = 0.104 embryo: Tt reprod: O

Zero-variate data
ab 90 101.2 (0.124)dage at birthADW
ap4560 4108 (0.09904)dage at puberty for femaleAnAge
am1.157e+04 1.157e+04 (1.743e-05)dlife spanAnAge
Lp 10 12.64 (0.2644)cmtotal length at puberty for femalesADW
Li 23 18.19 (0.2091)cmultimate total length for femalesADW
Wwb12.8 12.34 (0.03603)gwet weight at birth for femaleguess
Wwi2500 2510 (0.00412)gultimate wet weightADW
Ri0.03836 0.03811 (0.006459)#/dmaximum reprod rateEoL
Uni-variate data
DatasetFigure(RE)Independent variableDependent variableReference
tW see Fig. 1 (0.1925)timewet weightRitzClau2012
Pseudo-data at Tref
DataGeneralised animalTestudo hermanniUnitDescription
v 0.02 0.07725cm/denergy conductance
kap 0.8 0.671-allocation fraction to soma
kap_R 0.95 0.95-reproduction efficiency
p_M 18 4.472J/^3vol-spec som maint
k_J 0.002 0.0001691/dmaturity maint rate coefficient
kap_G 0.8 0.7982-growth efficiency
k 0.3 0.2971-maintenance ratio


  • If eggs develop mostly in males between 31.5 and 33.5 C, at 31.5 and 34 C the sex ratio is 50/50 (ref: ADW)
  • Males are smaller than females and reach puberty earlier (ref: Wiki)


  • In view of low somatic maintenance, pseudodata k_J = 0.002 1/d is replaced by pseudodata k = 0.3


Bibtex file with references for this entry

Bas Kooijman, 2017/10/04

accepted: 2017/10/04

refer to this entry as: AmP Testudo hermanni version 2017/10/04