Rius Viladomiu, Marc (Date of defense: 2008-09-18)
En les últimes dècades hi ha hagut una creixent conscienciació sobre l'efecte que les invasions biològiques poden tenir en la biodiversitat mundial. Així, avui en dia l'impacte de les espècies invasores ...
Duran i Alarcon, Sandra (Date of defense: 2003-11-21)
The main goal of this thesis has been to study the population structure of a marine sponge species (<i>Crambe crambe</i>) at different geographic levels using different molecular markers.<br/><br/>In ...
López Legentil, Susanna (Date of defense: 2005-04-01)
Intraspecies variability is widespread in marine invertebrates. Previous reports of <I>Cystodytes</I> (Ascidiacea, Polycitoridae) in the Mediterranean have been routinely attributed to the nominal species ...
Wangensteen Fuentes, Owen S. (Date of defense: 2013-07-05)
The black sea urchin Arbacia lixula (Linnaeus, 1758) is one of the most abundant sea urchins in the Mediterranean. Despite its increasingly recognized ecological significance, including the ability to ...
Pineda Torres, Mari Carmen (Date of defense: 2012-09-25)
"Styela plicata" is a solitary ascidian introduced all around the world by ship traffic and seems to have many of the required features to become invasive. The main goal of this PhD thesis was to increase ...