Ara mostrant els elements 1-5 de 5
Rius Viladomiu, Marc (Data de defensa: 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 (Data de defensa: 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 (Data de defensa: 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. (Data de defensa: 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 (Data de defensa: 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 ...