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Ferrari, Matteo
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Ferrari, Matteo
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- PublicationRestrictedThe Ligurian Sea: present status, problems and perspectives(2010-06)
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;Cattaneo Vietti, R.; Dip.Te.Ris. Università degli Studi di Genova, Genoa, Italy ;Albertelli, G.; Dip.Te.Ris. Università degli Studi di Genova, Genoa, Italy ;Aliani, S.; CNR- ISMAR, La Spezia, Italy ;Bava, S.; Area Marina Protetta di Portofino, Portofino, Italy ;Bavestrello, G.; Università degli Studi di Ancona, Ancona, Italy ;Benedetti Cecchi, L.; Dipartimento di Biologia, Università degli Studi di Pisa, Pisa, Italy ;Bianchi, C. N.; Dip.Te.Ris. Università degli Studi di Genova, Genoa, Italy ;Bozzo, E.; Dip.Te.Ris. Università degli Studi di Genova, Genoa, Italy ;Capello, M.; Dip.Te.Ris. Università degli Studi di Genova, Genoa, Italy ;Castellano, M.; Dip.Te.Ris. Università degli Studi di Genova, Genoa, Italy ;Cerrano, C.; Dip.Te.Ris. Università degli Studi di Genova, Genoa, Italy ;Chiantore, M.; Dip.Te.Ris. Università degli Studi di Genova, Genoa, Italy ;Corradi, N.; Dip.Te.Ris. Università degli Studi di Genova, Genoa, Italy ;Cocito, S.; ENEA, Santa Teresa, La Spezia, Italy ;Cutroneo, L.; Dip.Te.Ris. Università degli Studi di Genova, Genoa, Italy ;Diviacco, G.; Regione Liguria, Genoa, Italy ;Fabiano, M.; Dip.Te.Ris. Università degli Studi di Genova, Genoa, Italy ;Faimali, M.; CNR-ISMAR, Genoa, Italy ;Ferrari, M.; Dip.Te.Ris. Università degli Studi di Genova, Genoa, Italy ;Gasparini, G. P.; CNR- ISMAR, La Spezia, Italy ;Locritani, M.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia ;Mangialajo, L.; Dip.Te.Ris. Università degli Studi di Genova, Genoa, Italy ;Marin, V.; Dip.Te.Ris. Università degli Studi di Genova, Genoa, Italy ;Moreno, M.; Dip.Te.Ris. Università degli Studi di Genova, Genoa, Italy ;Morri, C.; Dip.Te.Ris. Università degli Studi di Genova, Genoa, Italy ;Orsi Relini, L.; Dip.Te.Ris. Università degli Studi di Genova, Genoa, Italy ;Pane, L.; Dipartimento di Biologia, Università degli Studi di Genova, Genoa, Italy ;Paoli, C.; Dip.Te.Ris. Università degli Studi di Genova, Genoa, Italy ;Petrillo, M.; Dip.Te.Ris. Università degli Studi di Genova, Genoa, Italy ;Povero, P.; Dip.Te.Ris. Università degli Studi di Genova, Genoa, Italy ;Pronzato, R.; Dip.Te.Ris. Università degli Studi di Genova, Genoa, Italy ;Relini, G.; Dip.Te.Ris. Università degli Studi di Genova, Genoa, Italy ;Santangelo, G.; Dipartimento di Biologia, Università degli Studi di Pisa, Pisa, Italy ;Tucci, S.; Dip.Te.Ris. Università degli Studi di Genova, Genoa, Italy ;Tunesi, L.; ISPRA, Rome, Italy ;Vacchi, M.; ISPRA, Rome, Italy ;Vassallo, P.; Dip.Te.Ris. Università degli Studi di Genova, Genoa, Italy ;Vezzulli, L.; Dipartimento di Biologia, Università degli Studi di Genova, Genoa, Italy ;Wurtz, M.; Dipartimento di Biologia, Università degli Studi di Genova, Genoa, Italy; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; The Ligurian Sea is a deep basin in the northernmost sector of the western Mediterranean which shows peculiar hydrodynamic and meteo-oceanographic features. The coasts of the Ligurian Sea are among the most urbanised and industrialised along the Italian coastline: the main causes of disturbance being littoral urban development and harbour activities, the building of littoral rail- and highways, and the presence of several polluted discharges. This review, by evaluating the huge scientific output published in the last three decades, describes and discusses the most important geological, hydrological and biological characteristics of the Ligurian Sea.We show that this regional sea has largely been investigated in terms of its geological and structural evolution, as well as in terms of the sedimentation dynamics of the littoral and deep bottoms, with particular attention to the sedimentation balance of the beaches and their erosive processes.We report that the prevalent hydrodynamic and meteo-oceanographic conditions favour a continuous exchange of coastal water masses, and that the seasonal and interannual dynamics of water masses can effects the local climate, with direct and indirect consequences on fish and benthic communities documented in the last decade. We stress that although recent studies offer good knowledge of the distribution of coastal benthic communities, only scant information is available for the whole continental shelf, the submarine canyons and the rocky bathyal bottoms. Our meta-analysis reveals that significant fishing activities are monitored, but also that certain sectors of the biological resource are suffering, and suggests the set up of appropriate management measures. The Ligurian Sea hosts a number of Marine Protected Areas (MPAs) of high relevance, while the institution of the Whale Sanctuary completes the protection policy of the Regione Liguria. Our meta-analysis points out the need for long-term studies, based primarily on the analysis of those areas of the Ligurian Sea that have been little investigated to date. Finally, only properly addressed studies, using experimental approaches and along appropriate spatial and temporal scales, might allow us to understand the functioning of the Ligurian marine ecosystems, evaluate their health conditions and the dynamics of the main variables that affect the distribution of the single species (including species of high economic value) and benthic communities.862 53 - PublicationOpen AccessGeochemical characteristics of the infilling of ground wedges at Puerto Deseado (Santa Cruz, Argentina): palaeoenvironmental and chronological implications(2018)
; ; ; ; ; ; ; ; ; ; ; ; ; ; ;; ; ; ; ; ;Ground wedge structures of cryogenic origin are common in the Quaternary sediments along the coast of the Patagonia, and their formation is related to climatic cold events experienced by this area in the Late Quaternary. The infilling sediments of two wedges generations were analyzed in the area of Puerto Deseado. Bulk chemistry (major elements), X-ray diffraction (XRD), morphoscopic observations with Scanning Electronic Microscope (SEM) and chemical analyses of volcanic glass shards were undertaken to provide indications about infilling sediment provenience, along with chronological constraint for wedge formation. Bulk chemistry and XRD patterns indicate a significant SiO2- enriched composition of the sediment infilling compared to the most of the loess deposits of the North Argentina and the present day dust originated in Patagonia. This was interpreted as due to the nature of the bedrock present over the Deseado Massif. SEM morphoscopic characteristics of glass shards evidence typical aeolian reworking features, with impact structures and indented edges of the volcanic fragments. Chemical analyses of the glass shards indicate that they were probably generated by the H0 eruption (17,300-17,400 cal yr BP) of the Hudson volcano. Volcanological data indicate that H0 eruption dispersed toward NE, but volcanic glasses were available for reworking due to a WNW component in the western wind direction. Over the Deseado Massif structural high the glass shards mixed with sediments enriched in SiO2, and were eventually deflated further to SE reaching the present coastal area and infilling the frost cracks. The age of the glass shards (17,300-17,400 cal yr BP) and that of the sandy layer affected by cryogenic structures (14,670±750 yr BP) well constrain to the Late Glacial both wedge generations.136 35