Live and dead benthic foraminiferal assemblages from coastal environments of the Aegean Sea (Greece): Distribution and diversity |
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| Institution: | 1. CIMA, Faculdade de Ciências e Tecnologia, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal;2. School of Earth, Atmosphere and Environment, Faculty of Science, Monash University, Clayton 3800, Australia;3. Centre for Environmental and Marine Geology, Department of Earth Sciences, Dalhousie University, Halifax, Nova Scotia B3H 4J1, Canada;1. Department of Genetics and Evolution, University of Geneva, Quai Ernest-Ansermet 30, 1211 Geneva 4, Switzerland;2. Department of Invertebrate Zoology, Saint-Petersburg State University, Universitetskaja emb. 7/9, 199034 Saint-Petersburg, Russia;1. Department of Geosciences, University of Oslo, P.O. Box 1047 Blindern, 0316 Oslo, Norway;2. Norwegian Institute for Water Research, Gaustadalleén 21, 0349 Oslo, Norway;3. Department of Biosciences, University of Oslo, P.O. Box 1066 Blindern, 0316 Oslo, Norway;1. Department of Geology, Yogi Vemana University, Kadapa, Andhra Pradesh, India;2. Department of Geology, Sri Venkateswara University, Tirupati, Andhra Pradesh, India;3. Department of Earth Sciences, Yogi Vemana University, Kadapa, Andhra Pradesh, India;1. University Lille, CNRS, Univ. Littoral Côte d''Opale, UMR 8187, LOG, Laboratoire d''Océanologie et de Géosciences, Station Marine de Wimereux, F 59000, Lille, France;2. University Urbino Dipartimento di Scienze Pure e Applicate (DiSPeA), Università degli Studi di Urbino “Carlo Bo”, Campus Scientifico Enrico Mattei, Località Crocicchia, 61029, Urbino, Italy;3. University of Hamburg, Institute for Geology, Centre for Earth System Research and Sustainability, Bundesstraße, 5520146 Hamburg, Germany;4. La Rochelle Université, CNRS, Littoral Environnement et Sociétés, UMR 7266 LIENSs, 2 rue Olympe de Gouges, 17000 La Rochelle, France;5. UMR CNRS 6112 LPG-BIAF, University of Angers, 2 Bd Lavoisier, Angers Cedex 1, 49045, France;6. Rio de Janeiro State University (UERJ), R. São Francisco Xavier, 524 - Lab 1006 - Maracanã, Rio de Janeiro 20550-900, Brazil;7. Aveiro University, Department of Geosciences, GeoBioTec, Campus de Santiago, 3810-197 Aveiro, Portugal;8. Geological Survey of Israel, Yesha''yahu Leibowitz 32, Jerusalem 9692100, Israel;9. Israel Oceanographic and Limnological Research, Haifa, 3108001, Israel;10. Dipartimento di Scienze Della Terra, Sapienza Università di Roma, Italy;11. Departamento de Geología, Universidad del País Vasco UPV/EHU, Apartado 644, 48080 Bilbao, Spain;12. BioStratigraphic Associates (Trinidad) Limited, 113 Frederick Settlement, Old Southern Main Rd., Caroni, Trinidad and Tobago;13. National and Kapodistrian University of Athens, Faculty of Geology and Geoenvironment, Panepistimioupolis, 15784, Athens, Greece;14. CNR, Institute of Marine Sciences, National Research Council of Italy, Calata Porta di Massa, Naples, Italy;15. University of Göttingen, J.F. Blumenbach Institute of Zoology and Anthropology, Göttingen;p. Florida A&M University, School of the Environment, FL, USA;q. FSH Science Research Center, RM306B, 1515 South MLK Blvd, Tallahassee, FL 32307, USA;r. Department of Mathematics and Geosciences, 34127 Trieste, Italy;s. Faculty of Education, Shimane University, 1060 Nishikawatsucho, Matsue, Shimane 690-8504, Japan;t. Cedar Lodge, Maenygroes, Cei Newydd, Ceredigion, Wales SA45 9RL, UK;u. University Lille, CNRS, University Littoral Côte d''Opale, UMR 8187, LOG, Laboratoire d''Océanologie et de Géosciences, F 59000, Lille, France |
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| Abstract: | Benthic foraminiferal composition assemblages and their temporal changes, ecological indices and foraminiferal densities are used to compare three coastal environments with different physicogeographical features in the Aegean Sea (coastal environment of Avdira–Vistonikos Gulf and Kitros–Thermaikos Gulf and open lagoonal environment of Vravron–South Evoikos Gulf). Three main foraminiferal assemblages have been recognized: a) “Assemblage A”; high degree of similarity between living and dead foraminiferal species, dominated by Ammonia beccarii, Elphidium spp. and relatively abundant and diverse miliolids, b) “Assemblage B1”; intermediate degree of similarity between live and dead assemblages, characterized by highly-abundant and well-diversified foraminiferal assemblages including the algal symbiont bearing Peneroplis pertusus together with Ammonia tepida and several small epiphytic rotaliids and miliolids, and c) “Assemblage B2”; absence of living individuals, strongly dominated by the opportunistic species A. tepida. Our results suggest a good comparison between living and dead assemblages from different coastal environments in the Aegean Sea, however the prevailing environmental conditions (vegetation cover, hydrodynamics, fresh water influx) have a strong impact on the taphonomic processes. |
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| Keywords: | Benthic foraminifera Coastal environments Aegean Sea Foraminifères benthiques Environnements côtiers Mer Egée |
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