TY - JOUR
T1 - The effects of seasonality on discrete models of population growth
AU - Kot, M.
AU - Schaffer, W. M.
PY - 1984/12
Y1 - 1984/12
N2 - The effects of seasonality on the dynamics of a bivoltine population with discrete, nonoverlapping generations are examined. It is found that large seasonality is inevitably destabilizing but that mild seasonality may have a pronounced stabilizing effect. Seasonality also allows for the coexistence of alternative stable states (equilibria, cycles, chaos). These solutions may be seasonally in-phase, out-of-phase, or asynchronous. In-phase solutions correspond to winter regulation of population density, whereas out-of-phase solutions correspond to summer regulation. Analysis suggests that summer regulation is possible only in mildly seasonal habitats.
AB - The effects of seasonality on the dynamics of a bivoltine population with discrete, nonoverlapping generations are examined. It is found that large seasonality is inevitably destabilizing but that mild seasonality may have a pronounced stabilizing effect. Seasonality also allows for the coexistence of alternative stable states (equilibria, cycles, chaos). These solutions may be seasonally in-phase, out-of-phase, or asynchronous. In-phase solutions correspond to winter regulation of population density, whereas out-of-phase solutions correspond to summer regulation. Analysis suggests that summer regulation is possible only in mildly seasonal habitats.
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U2 - 10.1016/0040-5809(84)90038-8
DO - 10.1016/0040-5809(84)90038-8
M3 - Article
AN - SCOPUS:0002139622
SN - 0040-5809
VL - 26
SP - 340
EP - 360
JO - Theoretical Population Biology
JF - Theoretical Population Biology
IS - 3
ER -