Change agents: sea urchin regulation and state shifts in Mediterranean macrophyte systems = Agents de canvi: el control de les garotes i els canvis d'estat en els ecosistemes de macròfits de la Mediterrània 

Boada Garcia, Jordi (Date of defense: 2016-04-22)

Macrophyte systems are globally vulnerable to overgrazing, often shifting precipitously to functionally poorer alternative stable states triggered by herbivore population outbreaks. Sea urchin herbivory can cause shifts ...