Table 1:
Explanation of model components
| Parameters and variables | Definition | Examples of sources |
|---|---|---|
| EnvE(t) | Amount of energy in the environment each month | McEwen and Wingfield (2003) |
| FRankp | Relative foraging success for each individual (p) | Smith et al. (2001) |
| Smean and Sp | Average impact of stress on the population (mean) and individual (p) | Sapolsky et al. (2000) |
| Enp | Individual energy requirement | Bryant (1997) |
| InEp(Sp) and DeEp(Sp) | Increase and decrease in energy in relationship to stress level | Dallman and Bhatnagar (2001) Buttemer et al. (1991) |
| MaxAp | Maximal age for each individual | |
| Fp(t) | Energy gained by foraging for each individual each month | |
| Hp(t) | Monthly physiological condition of each individual |