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