Predictions & Data for this entry
| Model: abj | climate: Cfb, Dfb, Dfc | migrate: | phylum: |
| COMPLETE = 2.5 | ecozone: THp | food: biHa, biHl | class: |
| MRE = 0.092 | habitat: 0iFl, 0iFp, 0iFm | gender: Hh | order: |
| SMSE = 0.016 | embryo: Fs | reprod: O | family: |
Zero-variate data
| Data | Observed | Predicted | (RE) | Unit | Description | Reference |
|---|---|---|---|---|---|---|
| ab | 13 | 12.96 | (0.002852) | d | age at birth | Wit1955a |
| am | 230 | 230.5 | (0.002216) | d | life span | Wit1955 |
| Lb | 0.07 | 0.06517 | (0.06895) | cm | total length at birth | Wit1955 |
| Lp | 0.42 | 0.4137 | (0.0151) | cm | total length at puberty | Wit1955a |
| Li | 1.2 | 1.277 | (0.06395) | cm | ultimate total length | Wiki |
| Wdi | 0.0447 | 0.0442 | (0.01122) | g | ultimate dry weight | guess |
| Ri | 0.5205 | 0.5501 | (0.05673) | #/d | maximum reprod rate | Wit1955a |
Uni- and bivariate data
| Data | Figure | Independent variable | Dependent variable | (RE) | Reference |
|---|---|---|---|---|---|
| LN |  | shell length | eggs per capsule | (0.1075) | Wit1955a |
| tL |  | time since birth | shell length | (0.1198) | Wit1955 |
Pseudo-data at Tref = 20°C
| Data | Generalised animal | Physa fontinalis | Unit | Description |
|---|---|---|---|---|
| v | 0.02 | 0.0322 | cm/d | energy conductance |
| kap | 0.8 | 0.9841 | - | allocation fraction to soma |
| kap_R | 0.95 | 0.475 | - | reproduction efficiency |
| p_M | 18 | 101 | J/d.cm^3 | vol-spec som maint |
| k_J | 0.002 | 0.002 | 1/d | maturity maint rate coefficient |
| kap_G | 0.8 | 0.8022 | - | growth efficiency |
Discussion
- Temperature in C for tL data varies as T(t) = 10+8*sin(2*pi*(t+20)/365))
Facts
- Simultaneous hermaprodite (Ref: Wiki)
- No growth below T = 8 C (Ref: Wit1955)
Bibliography