Jaume LlibreDiz Pita, ErikaOtero Espinar, María Victoria2025-01-242025-01-2420221417-3875https://hdl.handle.net/10347/39009We classify the global dynamics of a family of Kolmogorov systems depending on three parameters which has ecological meaning as it modelizes a predator-prey system. We obtain all their topologically distinct global phase portraits in the positive quadrant of the Poincaré disc, so we provide all the possible distinct dynamics of these systems.engAttribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/journal article10.48550/arXiv.2501.13728open access