Predictions & Data for this entry

Model: abj climate: BSk, Cfa, Dfa, Dfb migrate: phylum:
COMPLETE = 2.5 ecozone: THn food: biHa, biHl class:
MRE = 0.059 habitat: 0iFl, 0iFp, 0iFm gender: Hh order:
SMSE = 0.007 embryo: Fs reprod: O family:

Zero-variate data

Data Observed Predicted (RE) Unit Description Reference
am 365 364.3 (0.001972) d life span guess
Lb 0.05 0.04967 (0.006587) cm shell length at birth McMa1976
Lp 0.25 0.2442 (0.02324) cm shell length at puberty McMa1976
Li 0.5 0.5397 (0.07936) cm ultimate shell length McMa1976
Wdi 0.000236 0.0002335 (0.0107) g ultimate dry weight guess
Ni 10 10.07 (0.006503) # lifetime reprod output McMa1976

Uni- and bivariate data

Data Figure Independent variable Dependent variable (RE) Reference
tL time since birth shell length (0.1049) McMa1976

Pseudo-data at Tref = 20°C

Data Generalised animal Hebetancylus excentricus Unit Description
v 0.02 0.01996 cm/d energy conductance
kap 0.8 0.9781 - allocation fraction to soma
kap_R 0.95 0.475 - reproduction efficiency
p_M 18 42.91 J/d.cm^3 vol-spec som maint
k_J 0.002 0.002 1/d maturity maint rate coefficient
kap_G 0.8 0.804 - growth efficiency

Discussion

  • Temperature in C for tL data varies as T(t) = 18+11*cos(2*pi*(t+150)/365)

Facts

  • Simultaneous hermaprodite; Annual, bi- and trivoltine life cycle (Ref: Wiki)

Bibliography

Citation