Lacerta bilineata ?

Emys, Lacerta, Iberolacerta, Podarcis, Zootoca

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Lacerta bilineata ?

Beitragvon bogi » Fr Aug 15, 2008 22:11

Wie is das jetzt eigentlich.
Die Verbreitung der L.bilineata is ja sehr knapp an der Grenze zu Österreich. Gibts da gar keine Funde im Süden?
Weis jemand wies da in Kroatien und Slowenien aussieht?
Is da eigentlich eine stabile Hybridzone?
lg Tobi

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Beitragvon Vipersgarden » Sa Aug 16, 2008 13:41

Das hier lesen (aus meiner Literatur DB):

PDF No: 321
Author(s): Tvrtkovic, N., B. Lazar, S. Tome & I. Grbac
Year: 1998
Titel: The western green lizard, Lacerta (viridis) bilineata Daudin 1804 (Sauria: Lacertidae) in Slovenia and Croatia
Journal: Nat. Croat. 7(4): 363 - 369.
Kilobytes: 1.354
Date of upload: 18 Mar 2008
PDF to download PDF-321.pdf

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Beitragvon Vipersgarden » Sa Aug 16, 2008 15:17

............... und das hier:

PDF No: 886
Author(s): BÖHME, M. U., U. FRITZ, T. KOTENKO, G. DZUKIC, K. LJUBISAVLJEVIC, N. TZANKOV & T.U. BERENDONK
Year: 2007
Titel Phylogeography and cryptic variation within the Lacerta viridis complex (Lacertidae, Reptilia)
Journal: Zoologica Scripta, 36: 119–131
abstract: It is well known that the current genetic pattern of many European species has been highly influenced by climatic changes during the Pleistocene. While there are many well known vertebrate examples, knowledge about squamate reptiles is sparse. To obtain more data, a range-wide sampling of Lacerta viridis was conducted and phylogenetic relations within the L. viridis complex were analysed using an mtDNA fragment encompassing part of cytochrome b , the adjacent tRNA genes and the noncoding control region. Most genetic divergence was found in the south of the distribution range. The Carpathian Basin and the regions north of the Carpathians and Alps are inhabited by the same mitochondrial lineage, corresponding to Lacerta viridis viridis. Three distinct lineages occurred in the south-eastern Balkans — corresponding to L. v. viridis, L. v. meridionalis, L. v. guentherpetersi — as well as a fourth lineage for which no subspecies name is available. This distribution pattern suggests a rapid range expansion of L. v. viridis after the Holocene warming, leading to a colonization of the northern part of the species range. An unexpected finding was that a highly distinct genetic lineage occurs along the western Balkan coast. Phylogenetic analyses (Bayesian, maximum likelihood, maximum parsimony) suggested that this west Balkan lineage could represent the sister taxon of Lacerta bilineata. Due to the morphological similarity of taxa within the L. viridis complex this cryptic taxon was previously assigned to L. v. viridis. The distribution pattern of several parapatric, in part highly, distinct genetic lineages suggested the existence of several refuges in close proximity on the southern Balkans. Within L. bilineata sensu stricto a generally similar pattern emerged, with a high genetic diversity on the Apennine peninsula, arguing for two distinct refuges there, and a low genetic diversity in the northern part of the range. Close to the south-eastern Alps, three distinct lineages (L. b. bilineata, L. v. viridis, west Balkan taxon) occurred within close proximity. We suggest that the west Balkan lineage represents an early offshoot of L. bilineata that was isolated during a previous Pleistocene glacial from the more western L. bilineata populations, which survived in refuges on the Apennine peninsula.
Kilobytes: 325
Date of upload: 26 Jun 2008

Ist in der Datenbank (für registrierte Benutzer)

Mario
Mario Schweiger

Amphibien und Reptiliendatenbak (Systematik, Bilder, Literatur, ....)
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Beitragvon bogi » Sa Aug 16, 2008 21:07

Danke
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