Scheda di dettaglio – i prodotti della ricerca
| Dato | Valore |
|---|---|
| Title | Leading role of the sea urchin Arbacia lixula in maintaining the barren state in southwestern Mediterranean |
| Abstract | Sympatric sea urchin species are usually considered to belong to the same grazer guild. Nevertheless, their role in community dynamics may vary due to species-specific morphological traits, feeding preferences and foraging behavior. In the Mediterranean Sea, the two species Paracentrotus lividus and Arbacia lixula co-occur in barren areas. Whereas P. lividus is usually considered responsible for creating a barren ground, the roles of the two sea urchin species in its maintenance are currently unclear. The relative and combined effects of P. lividus and A. lixula on maintaining the benthic community in the barren state were tested experimentally, using orthogonal exclusion of the two species. Results show that exclusion of A. lixula, regardless of the presence of P. lividus, led to a significant decrease in the surface of bare rock and a significant change of the algal assemblages, thus demonstrating the major role of this species in maintaining the barren state. © 2011 Springer-Verlag. |
| Source | Marine biology (Berl.) 158 (11), pp. 2505–2513 |
| Journal | Marine biology (Berl.) |
| Editor | Springer, Heidelberg ;, Germania |
| Year | 2011 |
| Type | Articolo in rivista |
| DOI | 10.1007/s00227-011-1751-2 |
| Authors | Bonaviri, Chiara; Fernández, Tomás Vega; Fanelli, Giovanni; Badalamenti, Fabio; Gianguzza, Paola |
| Text | 306562 2011 10.1007/s00227 011 1751 2 Scopus 2 s2.0 80255135936 Leading role of the sea urchin Arbacia lixula in maintaining the barren state in southwestern Mediterranean Bonaviri, Chiara; Fernandez, Tomas Vega; Fanelli, Giovanni; Badalamenti, Fabio; Gianguzza, Paola Universita degli Studi di Palermo; Istituto per l Ambiente Marino Costiero del Consiglio Nazionale delle Ricerche IAMC CNR Sympatric sea urchin species are usually considered to belong to the same grazer guild. Nevertheless, their role in community dynamics may vary due to species specific morphological traits, feeding preferences and foraging behavior. In the Mediterranean Sea, the two species Paracentrotus lividus and Arbacia lixula co occur in barren areas. Whereas P. lividus is usually considered responsible for creating a barren ground, the roles of the two sea urchin species in its maintenance are currently unclear. The relative and combined effects of P. lividus and A. lixula on maintaining the benthic community in the barren state were tested experimentally, using orthogonal exclusion of the two species. Results show that exclusion of A. lixula, regardless of the presence of P. lividus, led to a significant decrease in the surface of bare rock and a significant change of the algal assemblages, thus demonstrating the major role of this species in maintaining the barren state. © 2011 Springer Verlag. 158 http //www.scopus.com/record/display.url eid=2 s2.0 80255135936 origin=inward Leading role of the sea urchin Arbacia lixula in maintaining the barren state in southwestern Mediterranean Bonaviri_et_al_2011_Marine_Biology.pdf Articolo in rivista Springer 0025 3162 Marine biology Berl. Marine biology Berl. Mar. biol. Berl. Marine biology. Berl. Marine biology Berlin. Print Berl. giovanni.fanelli FANELLI GIOVANNI tomas.vegafernandez VEGA FERNANDEZ TOMAS fabio.badalamenti BADALAMENTI FABIO |