Predictions & Data for this entry
| Model: std | climate: Cfa | migrate: | phylum: |
| COMPLETE = 2.8 | ecozone: THn | food: biCv | class: |
| MRE = 0.048 | habitat: 0iTf | gender: Dg | order: |
| SMSE = 0.006 | embryo: Tv | reprod: O | family: |
Zero-variate data
| Data | Observed | Predicted | (RE) | Unit | Description | Reference |
|---|---|---|---|---|---|---|
| ab | 135 | 141.8 | (0.05064) | d | age at puberty for females | AnAge |
| tp | 2555 | 2345 | (0.08213) | d | time since birth at puberty for females | AnAge |
| tpm | 1825 | 1825 | (0.0001035) | d | time since birth at puberty for males | AnAge |
| am | 1.102e+04 | 1.102e+04 | (3.655e-05) | d | life span | AnAge |
| Lb | 32.5 | 31.95 | (0.01679) | cm | total length at hatching | ADW |
| Lp | 72.2 | 87.51 | (0.2121) | cm | total length at puberty | Wiki |
| Li | 138 | 135.4 | (0.01878) | cm | ultimate total length of females | Wiki |
| Lim | 159 | 155.1 | (0.02465) | cm | ultimate total length of males | Wiki |
| Wwb | 22.5 | 21.34 | (0.05157) | g | wet weight at birth | ADW |
| Wwi | 1625 | 1624 | (0.0007178) | g | ultimate wet weight of females | ADW |
| Wwim | 2500 | 2519 | (0.007745) | g | ultimate wet weight of males | ADW |
| Ri | 0.0274 | 0.02663 | (0.02795) | #/d | maximum reprod rate | ADW |
Uni- and bivariate data
| Data | Figure | Independent variable | Dependent variable | (RE) | Reference |
|---|---|---|---|---|---|
| LW |  | total length | wet weight | (0.08574) | ConnRudo2003 |
| WX |  | wet weight | cum food ingested | (0.09761) | ConnRudo2003 |
Pseudo-data at Tref = 20°C
| Data | Generalised animal | Crotalus horridus | Unit | Description |
|---|---|---|---|---|
| v | 0.02 | 0.1049 | cm/d | energy conductance |
| kap | 0.8 | 0.5437 | - | allocation fraction to soma |
| kap_R | 0.95 | 0.95 | - | reproduction efficiency |
| p_M | 18 | 10.64 | J/d.cm^3 | vol-spec som maint |
| k_J | 0.002 | 0.0003934 | 1/d | maturity maint rate coefficient |
| kap_G | 0.8 | 0.7983 | - | growth efficiency |
| k | 0.3 | 0.2906 | - | maintenance ratio |
Discussion
- Males are assumed to differ from females by {p_Am} and E_Hp only
- In view of low somatic maintenance, pseudodata k_J = 0.002 1/d is replaced by pseudodata k = 0.3
Facts
- Viviparous; C. atrox and C. horridus may hybridize in nature; facultative parthenogenesis occurs (Ref: retileDB)
Bibliography