Výsledky vyhledávání - "L. J. Borkin"

Distribution and population systems of Water Frogs (the Pelophylax esculentus complex) in Northwestern Russia

Autor: Konstantin D. Milto, A. V. Barabanov, L. J. Borkin, J. M. Rosanov, S. N. Litvinchuk

Publikováno v: Russian Journal of Herpetology. 29:298-316

Peculiarities of distribution and population systems of water frogs of the Pelophylax esculentus complex in the northwest of Russia were studied using cytogenetic (genome size) and external morphological characters (439 specimens from 101 localities)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ac215c278feba6f5a4de34a079309c14
https://doi.org/10.30906/1026-2296-2022-29-5-298-316

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An Interdisciplinary Expedition of the St. Petersburg Association of Scientists & Scholars to the Garhwal Himalaya, India (2019): some preliminary results

Autor: N. I. Neupokoeva, A. V. Andreev, E. B. Lopatina, L. J. Borkin, V. L. Vershinin, Maxim V. Vinarski, S. D. Vershinina

Publikováno v: Biodiversity and Environment of Protected Areas. :106-144

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ad8b24739aca0aad6ad33261af461c0a
https://doi.org/10.37102/2782-1978_2021_1_8

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DISTRIBUTION AND CONTACT ZONE OF TWO FORMS OF THE GREEN TOAD FROM THE BUFOTES VIRIDIS COMPLEX (ANURA, AMPHIBIA), DIFFERING IN GENOME SIZE, IN THE VOLGA REGION

Autor: Alexander B. Ruchin, L. J. Borkin, Dmitriy V. Skorinov, Alexander I. Faizulin, Yuriy M. Rosanov, Alexander E. Kuzovenko, Anton O. Svinin, Spartak N. Litvinchuk

Publikováno v: Current Studies in Herpetology. 18:35-45

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8cb7f59f59a6df8100de9136f660e0a7
https://doi.org/10.18500/1814-6090-2018-18-1-2-35-45

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On the southern distributional limit of the pool frog, Pelophylax lessonae (Camerano, 1882): the first record in Volgograd region, Russia

Autor: Juri M. Rosanov, L. J. Borkin, Georgiy A. Lada, Spartak N. Litvinchuk, Sergey K. Prilipko, Dmitry Anatolyevich Gordeev

Publikováno v: Vestnik of Saint Petersburg University. Biology. :64-68

Distribution and types of population systems of green frogs (Pelophylax esculentus complex) in the northwest of Volgograd region were studied. The pool frog (P. lessonae) was reliably recorded in two localities of the area studied by use of the preci

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::63c585d7fa012194728af6aac78b8508
https://doi.org/10.21638/11701/spbu03.2016.312

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On the amphibian fauna of Tibet (a preliminary analysis)

Autor: L. J. Borkin, Spartak N. Litvinchuk

Publikováno v: Vestnik of Saint Petersburg University. Biology. :25-30

Amphibian fauna of Tibet, including the Qinghai-Xizang Plateau and Southwest China (to the north of Jinsha River) as well as adjacent territories in the western Himalayas (Spiti Valley, eastern Ladakh) in India, consist of 93 species, 28 genera and 1

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fcdd7146d0303f9f7f8d653ccff275b7
https://doi.org/10.21638/11701/spbu03.2016.305

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Natural polyploidy in amphibians

Autor: Dmitriy V. Skorinov, R. A. Pasynkova, Yuriy M. Rosanov, Spartak N. Litvinchuk, L. J. Borkin

Publikováno v: Vestnik of Saint Petersburg University. Biology. :77-86

This article examines polyploidy in amphibians. 53 polyploid species from 15 genera and 10 families (only anurans) are currently recognized. They can be arranged in 4 groups with different ploidy levels: I (triploids), 4 species of the toad genus Buf

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1899a178013db9ee8523e10f626b4c80
https://doi.org/10.21638/11701/spbu03.2016.314

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Rediscovery of the High Altitude Lazy Toad, Scutiger occidentalis Dubois, 1978, in India

Autor: Spartak N. Litvinchuk, L. J. Borkin, Sylvia Hofmann, Daniel A. Melnikov

Publikováno v: Russian Journal of Herpetology. 26:17

Scutiger occidentalis is considered extinct in India. This species has been last reported from India about 40 years ago. We describe a new, genetically confirmed record of S. occidentalis obtained in October 2017 from Himachal Pradesh (India), repres

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3937ead3683d6c00bd29b36d873842f2
https://doi.org/10.30906/1026-2296-2019-26-1-17-22

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Taxonomic status of Triturus vittatus (Amphibia: Salamandridae) in western Turkey: trunk vertebrae count, genome size and allozyme data

Autor: L. J. Borkin, Jury M. Rosanov, Annie Zuiderwijk, Spartak N. Litvinchuk

Publikováno v: Amphibia-Reptilia, 25, 1-19. Brill
Amphibia-Reptilia, 26, 305-323. Brill

The banded newt, Triturus vittatus is suggested to consist of two species (T. ophryticus and T. vittatus). The northern taxon, T. ophryticus, is subdivided into two geographic fragments: the ¿western group¿ of populations from western Anatolian Tur

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3120864f7990209292c43d8c668c19e1
https://doi.org/10.1163/156853805774408685

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The origin of the brown frogs with 2n=24 chromosomes

Autor: Ikuo Miura, L. J. Borkin, Midori Nishioka, Z. Wu

Publikováno v: Experientia. 51:179-188

Late replication and C-banding analyses of somatic metaphase chromosomes were attempted on three species of brown frogs with 2n=26 chromosomes (Rana japonica, R. tsushimensis andR. temporaria), and three with 2n=24 chromosomes (R. ornativentris, R. d

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2dbcbb5b8aefbf8628945e3c53bf96db
https://doi.org/10.1007/bf01929366

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