title: A pulse fishery model with closures as function of the catch: conditions for sustainability.
abstract: We present a model of single species fishery which alternates closed seasons with pulse captures. The novelty is that the length of a closed season is determined by the remaining stock size after the last capture. The process is described by a new type of impulsive differential equations recently introduced. The main result is a fishing effort threshold which determines either the sustainability of the fishery or the extinction of the resource.
authors.affiliation: Facultad de Ciencias Básicas, Universidad Católica del Maule, Talca, Chile. fcordova@ucm.cl
authors.forename: Fernando
authors.initials: F
authors.lastname: Córdova-Lepe
authors.forename: Rodrigo
authors.initials: R
authors.lastname: Del Valle
authors.forename: Gonzalo
authors.initials: G
authors.lastname: Robledo
mesh_terms: D000818:Animals; D003247:Conservation of Natural Resources / Q000191:economics / Q000706:statistics & numerical data*; D053476:Extinction, Biological; D005398:Fisheries / Q000191:economics / Q000706:statistics & numerical data*; D005399:Fishes; D008954:Models, Biological; D011157:Population Dynamics