Browsing by Author "Bikashvili, Ani"
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- A curated dataset on the distribution of West Palaearctic freshwater bivalvesPublication . Lopes-Lima, Manuel; Aldridge, David C.; Álvarez, María G.; Araujo, Rafael; Barea-Azcón, José Miguel; Bikashvili, Ani; Bragado, Dolores; Bylyna, Lilia; Carlevaro, Anna; Černecký, Ján; Cherot, Frédéric; Cichy, Anna; Collas, Frank; Csányi, Béla; Douda, Karel; Ercoli, Fabio; Fehér, Zoltán; Ferreira-Rodríguez, Noé; Froufe, Elsa; Geist, Juergen; Gil, Maria G.; Gołdyn, Bartłomiej; Golski, Janusz; Gomes-dos-Santos, André; Gumpinger, Clemens; Halabowski, Dariusz; Harbar, Olexander; Kamocki, Andrzej; Karaouzas, Ioannis; Labecka, Anna Maria; Lajtner, Jasna; Larsen, Bjørn Mejdell; Lavictoire, Louise; Lewin, Iga; Lipinskaya, Tatsiana; Madeira, M. José; Magerøy, Jon H.; Moorkens, Evelyn; Morales, Javier; Motte, Grégory; Mumladze, Levan; Nakamura, Keiko; Ondina, Paz; Österling, Martin; Outeiro, Adolfo; Ożgo, Małgorzata; Patzner, Robert A.; Paunovic, Momir; Pereira, Joana; Petkevičiūtė, Romualda; Prié, Vincent; Reis, Joaquim; Riccardi, Nicoletta; Richling, Ira; Romero, Rafael; Sablon, Rose; Sandaas, Kjell; Severijns, Nathal; Shevchuk, Larysa; Sîrbu, Ioan; Skawina, Aleksandra; Son, Mikhail O.; Sousa, Ronaldo; Spikkeland, Ingvar; Stanevičiūtė, Gražina; Stanicka, Anna; Stöckl, Katharina; Stunżėnas, Virmantas; Taskinen, Jouni; Teixeira, Amilcar; Thielen, Frankie; Timm, Henn; Todorov, Milcho; Tomović, Jelena; Tończyk, Grzegorz; Trichkova, Teodora; Urbanič, Gorazd; Urbańska, Maria; Väinölä, Risto; Varandas, Simone; Vercauteren, Thierry; Vicentini, Heinrich; Zając, Katarzyna; Zając, TadeuszFreshwater bivalves (FWB) are attracting scientific and societal attention given their essential ecosystem services, ecological functions, and poor conservation status. Current knowledge of the spatial distribution of West Palearctic FWB is poor preventing the understanding of biogeography and conservation planning. One of the priorities of the pan-European networking project "CONFREMU - Conservation of freshwater mussels: a pan-European approach" funded by the European Union, was to fill the knowledge gap on the distribution of FWB in Europe and adjacent regions. Based on the efforts of this network of scientists, we provide the most complete, taxonomically, and geographically accurate distribution of FWB species for the entire West Palearctic. The dataset contains 270,287 geo-referenced records of 93 native and 8 non-native FWB from 1674 to 2023. The dataset compiles information from private records from 82 specialists and multiple sources (e.g., published articles, grey literature, biodiversity databases, and scientific collections). This dataset, available online, represents an important data source for future studies on the biodiversity, biogeography, and conservation of these important organisms.
- Integrative phylogenetic, phylogeographic and morphological characterisation of the Unio crassus species complex reveals cryptic diversity with important conservation implicationsPublication . Lopes-Lima, Manuel; Geist, Juergen P.; Egg, S.; Beran, Luboš; Bikashvili, Ani; Van Bocxlaer, Bert; Bogan, Arthur E.; Bolotov, Ivan N.; Chelpanovskaya, O.A.; Douda, Karel; Fernandes, Verónica; Gomes-dos-Santos, André; Gonçalves, Duarte Vasconcelos; Gürlek, Mustafa Emre; Johnson, Nathan A.; Karaouzas, Ioannis D.; Kebapçı, Ümit; Kondakov, Duarte Vasconcelos; Kuehn, Ralf; Lajtner, Jasna; Mumladze, Levan; Nagel, Karl Otto; Neubert, Eike; Österling, Martin E.; Pfeiffer, John M.; Prié, Vincent; Riccardi, Nicoletta; Sell, Jerzy; Schneider, Lea D.; Shumka, Spase; Sîrbu, Ioan; Skujienė, Grita; Smith, Chase H.; Sousa, Ronaldo Gomes; Stöckl, K.; Taskinen, Jouni K.; Teixeira, Amílcar; Todorov, Milcho T.; Trichkova, Teodora A.; Urbańska, Maria; Välilä, Santtu; Varandas, Simone Da Graça Pinto; Veríssimo, Joana; Vikhrev, Ilya V.; Woschitz, G.; Zając, Katarzyna; Zając, Tadeusz A.; Zanatta, David Thomas; Zieritz, Alexandra; Zogaris, Stamatis; Froufe, ElsaThe global decline of freshwater mussels and their crucial ecological services highlight the need to understand their phylogeny, phylogeography and patterns of genetic diversity to guide conservation efforts. Such knowledge is urgently needed for Unio crassus, a highly imperilled species originally widespread throughout Europe and southwest Asia. Recent studies have resurrected several species from synonymy based on mitochondrial data, revealing U. crassus to be a complex of cryptic species. To address long-standing taxonomic uncertainties hindering effective conservation, we integrate morphometric, phylogenetic, and phylogeographic analyses to examine species diversity within the U. crassus complex across its entire range. Phylogenetic analyses were performed using cytochrome c oxidase subunit I (815 specimens from 182 populations) and, for selected specimens, whole mitogenome sequences and Anchored Hybrid Enrichment (AHE) data on ∼ 600 nuclear loci. Mito-nuclear discordance was detected, consistent with mitochondrial DNA gene flow between some species during the Pliocene and Pleistocene. Fossil-calibrated phylogenies based on AHE data support a Mediterranean origin for the U. crassus complex in the Early Miocene. The results of our integrative approach support 12 species in the group: the previously recognised Unio bruguierianus, Unio carneus, Unio crassus, Unio damascensis, Unio ionicus, Unio sesirmensis, and Unio tumidiformis, and the reinstatement of five nominal taxa: Unio desectus stat. rev., Unio gontierii stat. rev., Unio mardinensis stat. rev., Unio nanus stat. rev., and Unio vicarius stat. rev. Morphometric analyses of shell contours reveal important morphospace overlaps among these species, highlighting cryptic, but geographically structured, diversity. The distribution, taxonomy, phylogeography, and conservation of each species are succinctly described.