A Predator-Prey Model for Discrete-Time Commercial Fisheries

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http://eprints.org/relation/isVersionOf https://pure.iiasa.ac.at/id/document/237 http://eprints.org/relation/isVolatileVersionOf https://pure.iiasa.ac.at/id/document/237 http://eprints.org/relation/isCoversheetVersionOf https://pure.iiasa.ac.at/id/document/237 archive 351 disk0/00/00/02/51 2016-01-15 01:41:35 2021-08-27 17:07:42 2016-01-15 01:41:35 monograph show 2 Gatto M. AL0683 Rinaldi S. 7286 Walters C.J. AL1355 A Predator-Prey Model for Discrete-Time Commercial Fisheries pub iis_ecl iis_mod prog_ren A very simple discrete-time predator (boats) -- prey (fish) model for the description of the dynamic behavior of a fishery is presented. The stability properties of the system are analyzed in some detail and the sensitivity of the equilibrium with respect to the catchability coefficient, the length of the fishing season and the investment coefficient of the fleet is analyzed. Finally, a simple procedure is presented and used for estimating the characteristic parameters of the fleet of a few fisheries. The agreement between the data and the predicted results is quite satisfactory when considering the crudeness of the model. 1975-03 published RR-75-005 RR-75-005 10 1897 253 2497 public research_report IIASA, Laxenburg, Austria 38 TRUE FALSE info:eu-repo/semantics/book