Selection drivers of life-history traits in marine coastal fishes
- Alós Crespí, José
- Miquel Palmer Vidal Director
- Gabriel Moyà Niell Director
- Beatriz Morales Nin Director
Universidade de defensa: Universitat de les Illes Balears
Fecha de defensa: 17 de xullo de 2013
- Ignacio Alberto Catalán Alemany Presidente/a
- Guillem Mateu Mateu Secretario/a
- Josep Lloret Romanach Vogal
- Alexandre Alonso-Fernández Vogal
- José Luis Sánchez Lizaso Vogal
Tipo: Tese
Resumo
Humans can induce contemporary evolution through harvesting wild animals. This thesis provides evidence of this process for recreational fishing at surprisingly small geographical scales. Marine fish populations are characterized by high variability in heritable individual life?history traits which are exposed to biased fishing mortality. The life histories strategies of actual populations, which collectively reduce adult body size, mirror such biased mortality in populations exposed to limited gene flow. Because the relationship between life history and behaviour, it is very likely that fishing also induces adaptive responses in behavioural traits. Due the potential negative effects of fishing selection the productivity and quality of the fishery, this thesis recommend considering the evolutionary impacts of fishing in the management plans of species exploited by the recreational fishing