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      Mysida and Lophogastrida of Greece: a preliminary checklist

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          Abstract

          Abstract
          Background

          The checklist of Mysida and Lophogastrida of Greece was created within the framework of the Greek Taxon Information System (GTIS), which is one of the applications of the LifeWatchGreece Research Infrastructure (ESFRI) resuming efforts to develop a complete checklist of species recorded and reported from Greek waters. The objectives of the present study were to update and cross-check taxonomically all records of Mysida and Lophogastrida species known to occur in Greek waters in order to search for inaccuracies and omissions.

          New information

          The up-to-date checklist of Mysida and Lophogastrida of Greece comprises 49 species, classified to 25 genera.

          Related collections

          Most cited references26

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          The Biodiversity of the Mediterranean Sea: Estimates, Patterns, and Threats

          The Mediterranean Sea is a marine biodiversity hot spot. Here we combined an extensive literature analysis with expert opinions to update publicly available estimates of major taxa in this marine ecosystem and to revise and update several species lists. We also assessed overall spatial and temporal patterns of species diversity and identified major changes and threats. Our results listed approximately 17,000 marine species occurring in the Mediterranean Sea. However, our estimates of marine diversity are still incomplete as yet—undescribed species will be added in the future. Diversity for microbes is substantially underestimated, and the deep-sea areas and portions of the southern and eastern region are still poorly known. In addition, the invasion of alien species is a crucial factor that will continue to change the biodiversity of the Mediterranean, mainly in its eastern basin that can spread rapidly northwards and westwards due to the warming of the Mediterranean Sea. Spatial patterns showed a general decrease in biodiversity from northwestern to southeastern regions following a gradient of production, with some exceptions and caution due to gaps in our knowledge of the biota along the southern and eastern rims. Biodiversity was also generally higher in coastal areas and continental shelves, and decreases with depth. Temporal trends indicated that overexploitation and habitat loss have been the main human drivers of historical changes in biodiversity. At present, habitat loss and degradation, followed by fishing impacts, pollution, climate change, eutrophication, and the establishment of alien species are the most important threats and affect the greatest number of taxonomic groups. All these impacts are expected to grow in importance in the future, especially climate change and habitat degradation. The spatial identification of hot spots highlighted the ecological importance of most of the western Mediterranean shelves (and in particular, the Strait of Gibraltar and the adjacent Alboran Sea), western African coast, the Adriatic, and the Aegean Sea, which show high concentrations of endangered, threatened, or vulnerable species. The Levantine Basin, severely impacted by the invasion of species, is endangered as well. This abstract has been translated to other languages (File S1).
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            The disunity of "Mysidacea" (Crustacea).

            New studies on malacostracan relationships have drawn attention to issues concerning monophyly of the order Mysidacea, manifested in recent crustacean classifications that treat the taxon as two separate orders, Lophogastrida and Mysida. We present molecular phylogenies of these orders based on complete sequences of nuclear small-subunit ribosomal DNA (18S rRNA), and morphological evidence is used to revise the classification of the order Mysida to better reflect evolutionary history. A secondary structure model for 18S rRNA was constructed and used to assign putative stem and loop regions to two groups of partitions for phylogenetic analyses. Phylogenies were estimated by maximum-likelihood, Bayesian inference, and maximum-parsimony. The analyses gave strong support for three independently derived lineages, represented by three monophyletic groups, Lophogastrida, Stygiomysida, and Mysida. The family Petalophthalmidae is considered as sister group to the family Mysidae, and Boreomysinae and Rhopalophthalminae are the most early derived of the Mysidae. The tribes contained in the current classification of the subfamily Mysinae are not well-supported by either molecular data or morphology.
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              Le traîneau suprabenthique MACER-GIROQ : appareil amélioré pour l'échantillonnage quantitatif étagé de la petite faune nageuse an voisinage du fond The MACER-GIROQ Suprabenthic Sled: An Improved Device for Quantitative Two-level Sampling of the Small Swimming Fauna near the Bottom

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                Author and article information

                Contributors
                Journal
                Biodivers Data J
                Biodivers Data J
                Biodiversity Data Journal
                Biodiversity Data Journal
                Biodiversity Data Journal
                Pensoft Publishers
                1314-2828
                2016
                01 November 2016
                : 4
                : e9288
                Affiliations
                []Institute of Marine Biology, Biotechnology and Aquaculture, Hellenic Centre for Marine Research, Heraklion, Greece
                Author notes
                Corresponding author: Panayota Koulouri ( yol72@ 123456hcmr.gr ).

                Academic editor: Christos Arvanitidis

                Article
                Biodiversity Data Journal 5813
                10.3897/BDJ.4.e9288
                5136656
                bc079de2-f390-455b-a381-e57f541d906c
                Panayota Koulouri, Vasilis Gerovasileiou, Nicolas Bailly

                This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (CC-BY), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                History
                : 20 May 2016
                : 17 July 2016
                Page count
                Figures: 0, Tables: 0, References: 26
                Categories
                Taxonomic Paper
                Crustacea
                Peracarida
                Mysida
                Lophogastrida
                Arthropoda
                Malacostraca
                Aquatic biology
                Biodiversity & Conservation
                Biogeography
                Southern Europe and Mediterranean

                mysida , lophogastrida ,greece,aegean sea,sea of crete,ionian sea,eastern mediterranean,checklist

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