Predictions & Data for this entry

Model: abj climate: A migrate: phylum:
COMPLETE = 2.5 ecozone: TPa food: biHl class:
MRE = 0.033 habitat: 0iTf, 0iTi, 0iTg gender: Hh order:
SMSE = 0.002 embryo: Tt reprod: O family:

Zero-variate data

Data Observed Predicted (RE) Unit Description Reference
ab 10 10.57 (0.05711) d age at birth petsnails
tp 335.5 336.8 (0.00388) d time since birth at puberty petsnails
am 3650 3643 (0.001864) d life span petsnails
Lb 0.6 0.572 (0.04672) cm length at birth Hoda1982
Li 11 10.44 (0.05057) cm ultimate shell length Hoda1982
Ww7 59.2 58.19 (0.01713) g life wet weight at 7.8 cm AlukAdis2014
Ri 0.8219 0.8237 (0.002174) #/d maximum reprod rate petsnails

Uni- and bivariate data

Data Figure Independent variable Dependent variable (RE) Reference
tL time since birth length (0.03438) Hoda1982

Pseudo-data at Tref = 20°C

Data Generalised animal Achatina achatina Unit Description
v 0.02 0.06908 cm/d energy conductance
kap 0.8 0.9663 - allocation fraction to soma
kap_R 0.95 0.475 - reproduction efficiency
p_M 18 23.39 J/d.cm^3 vol-spec som maint
k_J 0.002 0.002 1/d maturity maint rate coefficient
kap_G 0.8 0.8009 - growth efficiency

Discussion

  • Kappa_R = 0.95/2 because of hermaphroditism

Facts

  • Largest land snail (Ref: Wiki)
  • Reproduction is sometimes by self-fertilization and oviposition occurs in the second and third years and sometimes up to five years after the first oviposition year (Ref: petsnails)

Bibliography

Citation