The Intertwined Effects of Hydrographic Barriers, Palaeoclimate and Life History on Genetic Structure of Marine Populations: A Case Study of Two Marine Invertebrates

 
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Σημασιολογικός εμπλουτισμός από το EKT
Τμήμα περιοδικού (EL)
Επιστημονικό άρθρο (EL)
2023 (EL)
The Intertwined Effects of Hydrographic Barriers, Palaeoclimate and Life History on Genetic Structure of Marine Populations: A Case Study of Two Marine Invertebrates (EN)
KALKAN TEZCAN, Evrim
HEMOND, ELIZABETH MATHER
KARHAN , SELAHATTIN ÜNSAL
BILGIN, RAŞIT
Marine organisms with pelagic planktonic larval stages have high dispersal potential, yet their ranges are restricted by present and historical geographic and oceanographic features. Hydrogeographic features, such as straits and water current patterns, as well as paleoclimate can affect population connectivity, genetic differentiation, and ultimately speciation, but species distributions are also affected by life history characteristics. This study evaluates the effect of the Turkish Straits System (TSS) on the genetic differentiation of two benthic invertebrates with pelagic larvae, the Mediterranean mussel, Mytilus galloprovincialis, and the rockpool prawn, Palaemon elegans, using mitochondrial and nuclear markers (microsatellites for M. galloprovincialis and Histone H3 gene for P. elegans). For both species, the mitochondrial DNA analyses separated the Black Sea and the Eastern Mediterranean (Aegean and Levantine seas) populations into two clusters. In contrast, in both species the nuclear data indicated no differentiation between Black Sea and Eastern Mediterranean populations. The results suggest that for both species, some individuals of Black Sea origin moved south, most likely through the transport of their pelagic larvae via the surface currents of the TSS. However, for the most part, individuals of Mediterranean origin (from Aegean and Levantine seas) were not able to successfully migrate in the opposite direction, though the small differences in the frequencies of migration in this direction indicate the effects of the life history characteristics of the two species on genetic structure. (EN)
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
microsats (EN)
Palaemon elegans (EN)
Turkish Straits System (EN)
mtDNA (EN)
Mytilus galloprovincialis (EN)
Black Sea (EN)
Mediterranean Sea (EN)
Ελληνικό Κέντρο Θαλασσίων Ερευνών (ΕΛΚΕΘΕ)
Mediterranean Marine Science
Research Article
Mediterranean Marine Science
Αγγλική γλώσσα
2023-02-14
https://ejournals.epublishing.ekt.gr/index.php/hcmr-med-mar-sc/article/view/29072
Hellenic Centre for Marine Research (EN)
1791-6763
1108-393X
Mediterranean Marine Science; Τόμ. 24 Αρ. 1 (2023): VOL 24, No 1 (2023); 56-75 (EL)
Mediterranean Marine Science; Vol. 24 No. 1 (2023): VOL 24, No 1 (2023); 56-75 (EN)
Copyright (c) 2023 Mediterranean Marine Science (EN)



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