The Bivalve Mollusc Fauna of Ancient Lakes in the Context of the Historical Biogeography of the Balkan Region

Korniushin, Alexei V.

doi:10.1007/978-1-4020-2854-0_13

Cited by 13 publications

(29 citation statements)

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“…According to Starobogatov (1994), the occurrence of the endemic Dreissena stankovici L'vova & Starobogatov, 1982, in Lake Ohrid indicates a strong affinity to the Paratethys (also see Korniushin, 2004). However, recently, it has been shown that D. stankovici is a junior synonym of D. presbensis Kobelt, 1915 and that the taxon is not endemic but widespread throughout the western-central Balkans .…”

Section: Bivalvia (Mollusca)mentioning

confidence: 93%

“…Combining the information presented by Korniushin et al (2000), Korniushin (2004), Albrecht et al (2007), and Schultheiß et al (2008), the total number of bivalve species in Lake Ohrid appears to be 13 with one of them (= 8%) being endemic.…”

Section: Bivalvia (Mollusca)mentioning

confidence: 97%

“…Several relationships in space and time have been proposed for different taxa, with most work having been done in molluscs (e.g., Radoman, 1985;Korniushin, 2004) and fishes (e.g., Banarescu, 2004). They include (A) a Paratethys connection, (B) an Aegean-Anatolian connection, and (C) a more regional Adriatic-Ionian connection.…”

Section: Faunal Relationshipsmentioning

confidence: 98%

“…Recently, a review of the bivalve fauna of the southern Balkans was published by Korniushin (2004). Accordingly, Lake Ohrid is home to at least 13 bivalve taxa of three families (Unionidae, Sphaeriidae, and Dreissenidae), whereas nine species of bivalves occur in Lake Prespa.…”

Section: Bivalvia (Mollusca)mentioning

confidence: 99%

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Ancient Lake Ohrid: biodiversity and evolution

2008

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Worldwide ancient lakes have been a major focal point of geological, biological, and ecological research, and key concepts in, for example, evolutionary biology are partly based on ancient lake studies. Ancient lakes can be found on most continents and climate zones with most actual or putative ancient lakes in Europe being restricted to the Balkan Region. The arguably most outstanding of them is the oligotrophic and karstic Lake Ohrid, a steep-sided graben of rift formation origin situated in the central Balkans. Here, an attempt is made to summarize current knowledge of the geological, limnological, and faunal history of Lake Ohrid. Additionally, existing data on biodiversity and endemism in Lake Ohrid are updated and evaluated, and patterns and processes of speciation are reviewed in the context of the Ohrid watershed, including its sister lake, Lake Prespa. Whereas the geological history of the Ohrid Graben is relatively well studied, there is little knowledge about the limnological and biotic history of the actual lake (e.g., the age of the extant lake or from where the lake first received its water, along with its first biota). Most workers agree on a time frame of origin for Lake Ohrid of 2-5 million years ago (Mya). However, until now, the exact limnological origin and the origin of faunal or floral elements of Lake Ohrid remain uncertain. Two largely contrasting opinions either favour the theory of de novo formation of Lake Ohrid in a dry polje with a spring or river hydrography or a palaeogeographical connection of Lake Ohrid to brackish waters on the Balkan Peninsula. Whereas neither theory can be rejected at this point, the data summarized in the current review support the de novo hypothesis. An assessment of the fauna and flora of Lake Ohrid confirms that the lake harbours an incredible endemic biodiversity. Despite the fact that some biotic groups are poorly studied or not studied at all, approximately 1,200 native species are known from the lake, including 586 animals, and at least 212 species are endemic, including 182 animals. The adjusted rate of endemicity is estimated at 36% for all taxa and 34% for Animalia. In terms of endemic biodiversity, Lake Ohrid is with these 212 known endemic species and a surface area of 358 km 2 probably the most diverse lake in the world, taking surface area into account. Preliminary phylogeographical analyses of endemic Lake Ohrid taxa indicate that the vast majority of respective sister taxa occurs in the Balkans and that therefore the most recent common ancestors of Ohrid-and non-Ohrid species likely resided in the region when Lake Ohrid came into existence. These data also indicate that there is relatively little faunal exchange and overlap between Lake Ohrid and its sister lake, Lake Prespa, despite the fact that the latter lake is a major water supplier for Lake Ohrid. Studies on selected species flocks and scatters, mostly in molluscs, point towards the assumption that only few lineages originally colonized Lake Ohrid from the Balkans and that the majority o...

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Section: Bivalvia (Mollusca)mentioning

confidence: 93%

Section: Bivalvia (Mollusca)mentioning

confidence: 97%

Section: Faunal Relationshipsmentioning

confidence: 98%

Section: Bivalvia (Mollusca)mentioning

confidence: 99%

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Ancient Lake Ohrid: biodiversity and evolution

2008

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“…Griffiths et al, 2002;. More importantly, despite recent attempts to enhance our understanding of biogeographical processes on a regional scale (Griffiths and Frogley, 2004;Korniushin, 2004;Lipej and Dulčić, 2004;Hauswald et al, 2008), our knowledge of patterns of freshwater biogeographical zones in the Balkans remains largely biased towards fish and drainage networks (e.g. Banarescu, 2004).…”

Section: Introductionmentioning

confidence: 99%

Native <i>Dreissena</i> freshwater mussels in the Balkans: in and out of ancient lakes

et al. 2010

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Abstract. The Balkans is a biogeographically highly diverse region and a worldwide hotspot of endemic freshwater diversity. A substantial part of this diversity is attributed to well recognized and potential ancient lakes in its southwestern part. However, despite considerable research efforts, faunal relationships among those lakes are not well understood. Therefore, genetic information from native representatives of the mussel genus Dreissena is here used to test the biogeographical zonation of the southwestern Balkans, to relate demographic changes to environmental changes, to assess the degree of eco-insularity, to reconstruct their evolutionary history, and to explore the potential of native taxa for becoming invasive.Phylogeographical and population genetic analyses indicate that most studied populations belong to two native species: D. presbensis (including the distinct genetic subgroup from Lake Ohrid, "D. stankovici") and D. blanci. In addition, the first confirmed record of invasive D. polymorpha in the southwestern Balkan is presented.The distribution of native Dreissena spp. generally coincides with the biogeographical zonations previously suggested based on fish data. However, there is disagreement on the assignment of the ancient lakes in the area to respective biogeographical regions. The data for Lake Ohrid are not conclusive. A closer biogeographical connection to lakes of the Vardar region and possibly the northern Ionian region is, however, suggested for Lake Prespa.The reconstruction of the evolutionary history of Dreissena spp. suggests that populations underwent demographic and spatial expansions in the recent past. Expansions

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Patterns and Processes of Speciation in Ancient Lakes

Wilke¹,

Väinölä²,

Riedel³

2009

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The Bivalve Mollusc Fauna of Ancient Lakes in the Context of the Historical Biogeography of the Balkan Region

Cited by 13 publications

References 10 publications

Ancient Lake Ohrid: biodiversity and evolution

Ancient Lake Ohrid: biodiversity and evolution

Native <i>Dreissena</i> freshwater mussels in the Balkans: in and out of ancient lakes

Patterns and Processes of Speciation in Ancient Lakes

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The Bivalve Mollusc Fauna of Ancient Lakes in the Context of the Historical Biogeography of the Balkan Region

Cited by 13 publications

References 10 publications

Ancient Lake Ohrid: biodiversity and evolution

Ancient Lake Ohrid: biodiversity and evolution

Native &lt;i&gt;Dreissena&lt;/i&gt; freshwater mussels in the Balkans: in and out of ancient lakes

Patterns and Processes of Speciation in Ancient Lakes

Contact Info

Product

Resources

About

Native <i>Dreissena</i> freshwater mussels in the Balkans: in and out of ancient lakes