Setting fi res is an old practice of land management in the Mediterranean region of central Chile. Fire in the region is currently of predominantly human origin and previously published material suggests that the scheduling of these activities is associated with the spread of naturalized exotic species. Research into the effects of fi re on both native and exotic Mediterranean vegetation in central Chile has increased notably over recent years. The objective of our review is to highlight new knowledge in this area of research from the last 30 years and to contribute to systematization and an explicit conceptual model which takes into account the effect of a fi re regimen on the spread of exotic plants and the mechanisms involved. We begin with analyses of the fi re regimen which is currently obser ved in one Region of central Chile and a subsequent exploration of the literature to identify the attributes mainly of the germination of seeds which are sensitive to fi re and which apply to the exotic species that are abundantly naturalized in central Chile. According to the studies consulted, diverse mechanisms have been described which involve the effect of fi re on the spread of exotic plants in central Chile. Life-histor y traits, tolerance, facilitation, and positive feedback between exotic plants and fi re frequency have been mechanisms reported in the literature. Finally, we propose a conceptual model which represents dispersal assisted by humans of exotic species and the spread of species naturalized by the effect of fi re regimens, which helps explain the composition and structure of the matorral of central Chile in an early successional state.Key words: central Chile, exotic plant, fi re, germination, naturalized plant. RESUMENLos incendios son una antigua práctica del uso del suelo en la región mediterránea de Chile central. Actualmente en esta región, los incendios son principalmente de origen humano y los antecedentes publicados permiten sugerir que su régimen está asociado a la expansión de especies exóticas naturalizadas. Las investigaciones sobre el efecto de los incendios sobre la vegetación mediterránea tanto nativa como exótica en Chile central ha incrementado notablemente durante los últimos años. El objetivo de nuestra revisión fue resaltar los nuevos conocimientos en esta área de la investigación durante los últimos 30 años y contribuir a una sistematización y a un modelo conceptual explícito que incorpore los efectos del régimen de incendios en la expansión de plantas exóticas y en los mecanismos involucrados. Para ello se describe el régimen de incendios que actualmente se presenta en una región de Chile central y se realiza una exploración de la literatura para conocer principalmente los atributos de la germinación de las semillas sensibles a incendio que se encuentran en especies exóticas que están naturalizadas abundantemente en Chile central. De acuerdo a los estudios abordados, se han descrito diversos mecanismos que involucran el efecto de los incendios sobre la expansión de plan...
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