Biodiversity of foraminifera from Late Pleistocene to Holocene coral reefs, South Sinai, Egypt
作者： Justin H. Parker , Eberhard Gischler , Anton Eisenhauer
DOI: 10.1016/J.MARMICRO.2012.02.002
关键词: Coral reef 、 Geology 、 Fringing reef 、 Foraminifera 、 Marine ecosystem 、 Reef 、 Ecology 、 Oceanography 、 Peneroplis 、 Marine Isotope Stage 5 、 Giant clam
摘要: Tropical coral reefs are among the most diverse marine ecosystems. In order to better understand temporal and spatial variation in late Quaternary biodiversity, foraminiferal faunas of two fossil, raised reef terraces at southern Sinai Peninsula were studied compared modern faunas. Eleven U-series dates shell fragments giant clam Tridacna sp. indicates deposition largely during isotope stage 5 (MIS 5), 77–129 kyr BP, for terraces. these terraces, Amphistegina (A. lessonii A. lobifera) dominates five fossil associations. The reef-flat association 1 has common Gypsina plana, Homotrema rubra Acervulina spp., 2 consists spp. Of three fore-reef associations, one abundant porcelaneous taxa including Sorites, Amphisorus, Peneroplis Borelis, a mix attached-arborescent (Homotrema Placopsilina) attached arborescent (Miniacina, Gypsina, Planogypsina). fringing is dominated by foraminifera, associations identified. These include lagoonal with pertusus, Sorites orbiculus plus H. rubra, lobifera. Based on our data additional published information regional biodiversity it appears that MIS was higher community structure different than within reefs. paleo-climate patterns indicate oceanographic conditions Red Sea probably closer normal last interglacial they today.
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