SIDI YAKOUB WafaaMAMMAR Imane2026-09-092026-09-092026https://dspace.univ-temouchent.edu.dz/handle/123456789/7487This work focuses on the study of bioeconomic models applied to fisheries. We analyze a multi-site fishery model with variable price as well as a model integrating marine protected areas. The study is based on system reduction, equilibrium analysis and their stability.frBioeconomic modelsmulti-site fisheryvariable priceaggregation methodstabilitymarine protected areas.Thesis