Phylogenetic position of Dendrocoelum lacteum (Tricladida) from the Balkan Lake Ohrid evidenced by allozyme data

Sywula, Tadeusz; Krstanovski, Z.; Biała, Anna; Wysocka, Anna; Kilikowska, Adrianna; Sell, Jerzy

doi:10.1016/j.bse.2005.11.003

Cited by 5 publications

(3 citation statements)

References 2 publications

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“…A preliminary analysis of selected endemic and widespread species from Lake Ohrid utilizing enzyme electrophoresis suggested that diversification among groups of endemics happened during different time frames (Sywula et al, 2003). Recently, populations of a presumed widespread species occurring in Lake Ohrid turned out to be phylogenetically distinct (Sywula et al, 2006).…”

Section: Tricladida (Plathelminthes)mentioning

confidence: 99%

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: Tricladida (Plathelminthes)mentioning

confidence: 99%

Ancient Lake Ohrid: biodiversity and evolution

2008

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“…Sywula et al (2006) showed that Dendrocoelum lacteum from Lake Ohrid is genetically distant from the Central European populations and suggested that the Ohrid population should be considered as a distinct species. However, this study was based only on allozyme data, while its results do not fully support the conclusion of the authors.…”

Section: Resultsmentioning

confidence: 99%

Integrative taxonomy of a new species of planarian from the Lake Ohrid basin, including an analysis of biogeographical patterns in freshwater triclads from the Ohrid region (Platyhelminthes, Tricladida, Dugesiidae)

Stocchino¹,

Sluys²,

Deri³

et al. 2013

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A new species of the genus Dugesia is described from the Lake Ohrid region in the western part of the Balkan Peninsula, forming the first fully documented species description for this genus in the Ohrid area. The morphological species delimitation is supported by complementary molecular, karyological, and cytogenetic data available from the literature. Therefore, species delineation is based on a truly integrative approach. Further, a short account on the degree of freshwater planarian endemicity in the Ohrid region is provided.

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“…1). Sywula et al (2003Sywula et al ( , 2006 published data on the genetics and phylogeny of some tricladid species in Lake Ohrid.…”

Section: Platyhelminthesmentioning

confidence: 99%

Diversity of invertebrates in the Republic of Macedonia

Hristovski¹,

Slavevska-Stamenković²,

Hristovski

et al. 2015

MJEE

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The assessment of the diversity of invertebrates in Macedonia was based on previous assessments and analyses of new published data in the period 2003-2013 (after the first country study on biodiversity). The total number of species was estimated at almost 13400 that represents an increase of more than 3700 species. The largest number of species is in the phyllum Arthropoda (over 11800 species) i.e. the class Insecta with more than 10000 species.In this 10-years period (2003-2013) 64 new invertebrate species have been described for science with its locus typicus in Macedonia or at least part of the type series originates from Macedonia.The highest number of endemic and relict species can be found in the lakes of Ohrid and Prespa as well as the mountainous areas, especially in western Macedonia. Although less known, endogean habitats in Macedonia (including caves) hold significant diversity of species.This paper also deals with the conservation of invertebrates. According to the national legislation there are 35 invertebrates listed as strictly protected and 513 species as protected, however the criteria for selection are vague and taxonomic status of many of these species is doubtful. This situation might be overcome by elaboration of national red list assessment. So far, only daily butterflies were subject to an attempt for assessment according to the IUCN red list criteria. Furthermore, eight Prime Butterfly Areas were designated in Macedonia on the basis of five target species.The information on allochtonous and invasive species of invertebrates in Macedonia is very scarce. The presented list includes about 50 species.

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Phylogenetic position of Dendrocoelum lacteum (Tricladida) from the Balkan Lake Ohrid evidenced by allozyme data

Cited by 5 publications

References 2 publications

Ancient Lake Ohrid: biodiversity and evolution

Ancient Lake Ohrid: biodiversity and evolution

Integrative taxonomy of a new species of planarian from the Lake Ohrid basin, including an analysis of biogeographical patterns in freshwater triclads from the Ohrid region (Platyhelminthes, Tricladida, Dugesiidae)

Diversity of invertebrates in the Republic of Macedonia

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