On selective harvesting of two competing fish species in the presence of environmental fluctuation. (English) Zbl 1137.91567
Summary: The present paper deals with a problem of selective harvesting of two competing fish species in a randomly fluctuating environment. The environmental parameters are assumed to be perturbed by white noise characterized by a Gaussian distribution with mean zero and unit spectral density. The dynamic behavior of the stochastic system is studied and the fluctuations in population are measured both analytically and numerically by computer simulation.
MSC:
| 91B76 | Environmental economics (natural resource models, harvesting, pollution, etc.) |
| 92D25 | Population dynamics (general) |
| 91A50 | Discrete-time games |
| 92D40 | Ecology |
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