Open AccessON SELECTIVE HARVESTING OF TWO COMPETING FISH SPECIES IN THE PRESENCE OF ENVIRONMENTAL FLUCTUATION
Author(s) -
KAR TAPAN KUMAR,
CHAUDHURI K.S.
Publication year - 2004
Publication title -
natural resource modeling
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.28
H-Index - 32
eISSN - 1939-7445
pISSN - 0890-8575
DOI - 10.1111/j.1939-7445.2004.tb00136.x
Subject(s) - fish <actinopterygii> , environmental noise , gaussian , white noise , statistical physics , population , noise (video) , mathematics , unit (ring theory) , statistics , environmental science , physics , computer science , fishery , biology , acoustics , quantum mechanics , image (mathematics) , sound (geography) , mathematics education , demography , artificial intelligence , sociology
. 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.