Presentació = Presentation Autores/as Josep Vigo i Bonada Descargas Text complet (Català) Publicado 2010-06-21 Número 5-2 Sección Celebration of the Darwin Year 2009 Licencia This work is subject, unless the contrary is indicated in the text, the photographs or in other illustrations, to an Attribution —Non-Commercial— No Derivative Works 3.0 Creative Commons License, the full text of which can be consulted at http://creativecommons.org/licenses/by-nc-nd/3.0/. You are free to share, copy, distribute and transmit the work provided that the author is credited and reuse of the material is restricted to non-commercial purposes only and that no derivative works are created from the original material.