Distribution and diet of Marthasterias glacialis at Ustica Island MPA
- Autori: Di Trapani, F; Aglieri, G; Badalamenti, F; Bonaviri, C; Gianguzza, P; Riggio, S
- Anno di pubblicazione: 2009
- Tipologia: eedings
- Parole Chiave: distribution, diet, Marthasterias glacialis, Asteroids, infralittoral
- OA Link: http://hdl.handle.net/10447/41225
Abstract
Distribution and diet of Marthasterias glacialis was studied at Ustica Island MPA. We conducted observations of the asteroid along the upper infralittoral zone using random parallel transects. M. glacialis was more abundant at study sites characterized by low densities of erect algae. Most frequent prey species was a bivalve and sea urchins