Examination of the classic Oligocene coral reefs of the Vicentin (Southern Alps, Northern Italy), reveals a low specific diversity community dominated by Actinacis rollei Reuss. In the lower part of the Oligocene succession, above the Eocene-Oligocene boundary, A. rollei can be sporadically associated with few other species. Increasing species diversity occurs at the end of the Rupelian, where the succession is terminated. As a dramatic lowering of sea-water temperature is documented at the Eocene-Oligocene boundary, we interpret the Actinacis "explosion" in the Early Oligocene mainly as a hypothermic effect. The increasing coral species diversity during the Rupelian may then be a response to ameliorating sea-water temperature.
The Oligocene Actinacis coral community of the Southern Alps (Italy): temperature vs. terrigenous control / Bosellini, Francesca; A., Russo. - STAMPA. - 3(1988), pp. 385-391. ((Intervento presentato al convegno 6th international Coral Reef Symposium tenutosi a Townsville, Australia nel Townsville, Australia , 8th-12th August 1988.
Data di pubblicazione: | 1988 |
Titolo: | The Oligocene Actinacis coral community of the Southern Alps (Italy): temperature vs. terrigenous control. |
Autore/i: | Bosellini, Francesca; A., Russo |
Autore/i UNIMORE: | |
Nome del convegno: | 6th international Coral Reef Symposium |
Luogo del convegno: | Townsville, Australia |
Data del convegno: | Townsville, Australia , 8th-12th August 1988 |
Volume: | 3 |
Pagina iniziale: | 385 |
Pagina finale: | 391 |
Citazione: | The Oligocene Actinacis coral community of the Southern Alps (Italy): temperature vs. terrigenous control / Bosellini, Francesca; A., Russo. - STAMPA. - 3(1988), pp. 385-391. ((Intervento presentato al convegno 6th international Coral Reef Symposium tenutosi a Townsville, Australia nel Townsville, Australia , 8th-12th August 1988. |
Tipologia | Relazione in Atti di Convegno |
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