{"refrec":{"BRefID":391374,"RR":"<b>Dupont, D.W.E.; Patel, T.; Kochzius, M.; Schön, I.</b> (2024). Evidence for a single population expansion event across 24,000 km: the case of the deep-sea scavenging amphipod <i>Abyssorchomene distinctus</i>. <i>Hydrobiologia 851</i>: 2309-2327. <a href=\"https://dx.doi.org/10.1007/s10750-023-05447-5\" target=\"_blank\">https://dx.doi.org/10.1007/s10750-023-05447-5</a>","BEntID":389121,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Hydrobiologia 851</i>: 2309-2327. <a href=\"https://dx.doi.org/10.1007/s10750-023-05447-5\" target=\"_blank\">https://dx.doi.org/10.1007/s10750-023-05447-5</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Dupont, D.W.E.; Patel, T.; Kochzius, M.; Schön, I.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Dupont, D.W.E. <i>et al.</i>","Englishabstract":"Anthropogenic activities such as mining pose a putative threat to deep-sea ecosystems and baseline studies of key indicator species are required to assess future loss of biodiversity. We examined population genetic structure, connectivity, cryptic diversity and phylogeography of the deep-sea scavenging amphipod, <i>Abyssorchomene distinctus</i>, using DNA sequence data (mitochondrial COI and nuclear 28S genes) from 373 specimens collected from six abyssal basins. We observed a striking absence of cryptic diversity, suggesting a single, widely distributed species in the Pacific and Indian Ocean. A single event of population expansion across distances up to 24,000&nbsp;km is further supported by a main ancestral haplotype in the star-like shaped COI haplotype network, a skewed nucleotide mismatch distribution and deviations from evolutionary neutrality tests. In the Pacific, <i>A. distinctus</i> showed weak genetic population structure and low differentiation between the basins of the Clarion-Clipperton Zone and the DISCOL Experimental Area, suggesting a possible higher chance of recovery from deep-sea mining impacts. However, since our data indicate a single recent historic population expansion event, <i>A. distinctus</i> populations will likely be affected to unknown extents, as the exact drivers shaping distribution and dispersion of <i>A. distinctus</i> are still unclear.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Evidence for a single population expansion event across 24,000 km: the case of the deep-sea scavenging amphipod <i>Abyssorchomene distinctus</i>","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Cryptic diversity; Deep-sea mining; Population genetic structure; Phylogeography; Population range expansion","OtherDescriptors":null,"Notes":null,"AnaPub":2024,"MonPub":null,"DateUpdate":"2024-04-16","DateCreate":"2024-03-26","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:001152348200001","VABBcode":null,"OpenAcc":0,"DOI":"10.1007/s10750-023-05447-5"},"refs":null,"anarec":{"AnaID":391374,"PubliDate":2024,"Pagination":"2309-2327","XtraPublOfAnaID":null,"ISBN":null,"Volume":"851","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42943,"SerRR":"Hydrobiologia. 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