Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Tihomir Stefanov"'
Autor:
Tihomir Stefanov
Publikováno v:
Historia naturalis bulgarica, Vol 42, Iss 8, Pp 55-58 (2021)
One adult specimen of small red scorpionfish Scorpaena notata Rafinesque, 1810 was found in the ichthyological collections of the National Museum of Natural History in Sofia, Bulgaria. The specimen has been caught on 12 May 1926 in Black Sea near the
Externí odkaz:
https://doaj.org/article/c7f633c4c4ae4e6e91e66bdcbfcdf5df
Autor:
Tihomir Stefanov
Publikováno v:
Historia naturalis bulgarica, Vol 42, Iss 7, Pp 49-53 (2021)
Thirteen new records of the blue crab Callinectes sapidus (Rathbun, 1896) have been documented near the Bulgarian Black Sea coast since 2006. This is an evidence for a recent expansion of the species in this part of the Black Sea. This expansion coul
Externí odkaz:
https://doaj.org/article/fe8603caebbb4060b49957c773d8e961
Autor:
Jakub Fedorčák, Radek Šanda, Tihomir Stefanov, Jan Mendel, Michal Nowak, Peter Križek, Anabel Perdices, Jasna Vukić, Ján Koščo
Publikováno v:
Fishes, Vol 8, Iss 2, p 119 (2023)
Loaches of the genus Sabanejewia are model organisms for many ichthyologic studies focusing on morphological and colour variation. The bright lateral spots—a part of the mimicry of this fish—cause a taxonomic puzzle. Common practice is that morph
Externí odkaz:
https://doaj.org/article/6d4438d6b86744cc83c8779132c72537
Publikováno v:
ZooKeys, Vol 825, Iss , Pp 105-122 (2019)
The Danube delta gudgeon, Romanogobio antipai, has been considered to be extinct because there were no reliable recent observations. The latest record confirmed by a voucher specimen dating from 1992. We report here on a specimen of R. antipai collec
Externí odkaz:
https://doaj.org/article/45bb0ccd42fe40ed886f913fe233a08e
Autor:
Teodora Trichkova, Milcho Todorov, Marian Kenderov, Zdravko Hubenov, Ivan Botev, Tihomir Stefanov, Dilian Georgiev, Pavel Jurajda
Publikováno v:
Water, Vol 14, Iss 15, p 2299 (2022)
The aim of this study was to assess the status of aquatic invasive alien species (IAS) in the shoreline zone of the Bulgarian sector of the Danube River, Danube tributaries, and adjacent standing water bodies in the frame of the Joint Danube Survey 4
Externí odkaz:
https://doaj.org/article/0086ce6bd2354dbdbcac0a5377f36815
Autor:
Ștefan HONŢ, Marian PARASCHIV, Marian Ion IANI, Tihomir STEFANOV, Mirjana LENHARDT, Lucian OPREA
Publikováno v:
Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Animal Science and Biotechnologies, Vol 75, Iss 1, Pp 28-39 (2018)
Construction of the dams in Lower Danube River (LDR- rkm 0 Sulina – rkm 1075 Baziasi) without fish passages, as well as illegal fishery and river bottom modification due to navigation had negative impact on sturgeon’s populations. Beluga Sturgeon
Externí odkaz:
https://doaj.org/article/9130d9ed9c124a39a295668bd80d843b
Autor:
Tihomir Stefanov
Publikováno v:
Mathematical and Software Engineering, Vol 1, Iss 1, Pp 25-30 (2015)
The present paper deals with a system for crawling and content extraction from news sites. The system of web crawlers extracts textual and graphic information and checks for multimedia content availability. A part of the programming code and the data
Externí odkaz:
https://doaj.org/article/a9e417982cc74ee99f4039a7f65e3061
Publikováno v:
Frontiers in Marine Science, Vol 2 (2015)
Gudgeons (Gobio and Romanogobio, Cypriniformes) are taxonomically very complicated group of primary freshwater fishes. The region of the west Aegean Sea rivers is inhabited by three species according to Kottelat and Freyhof (2007): Gobio feraensis en
Externí odkaz:
https://doaj.org/article/667130dc71894bb8bd96ab3862658f59
Autor:
Tihomir Stefanov, Milena Stefanova
Publikováno v:
Digital Presentation and Preservation of Cultural and Scientific Heritage, Vol 3 (2013)
A review of free applications of smartphones working under the operation system of Android is made in the paper. The applications present users information about historical and cultural places of interest at travelling. There are three main groups of
Externí odkaz:
https://doaj.org/article/1e992b81a5034411891fb051593048e9
Autor:
Tihomir Stefanov, Milena Stefanova
Publikováno v:
Digital Presentation and Preservation of Cultural and Scientific Heritage, Vol 2 (2012)
The main focus of attention in this paper is the access to websites of leading regional, national and world museums. Their accessibility from desktop and mobile devices is hereby evaluated. The paper covers a detailed analysis of the mobile operating
Externí odkaz:
https://doaj.org/article/bd14d28597174455bdae8c17cc44474f