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1

Ponowne stwierdzenie piekielnicy Alburnoides bipunctatus (Teleostei: Cyprinidae) w rzece Nidzie

100%
Nowak M., Szczerbik P., Klaczak A., Popek W.
Parki Narodowe i Rezerwaty Przyrody
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2011
|
tom 30
|
nr 1-2
2

Uwagi o dymorfizie plciowym kielbia kotkowasego Gobio gobio [L.]

100%
Nowak M., Klaczak A., Szczerbik A., Popek W.
Komunikaty Rybackie
|
2010
|
nr 6
2-5
A total of 49 common gudgeon, Gobio gobio (L.), were examined for morphometric and meristic differences according to sex. Nuptial tubercles were found in all males collected in spring, as well as in a number of females. On the other hand, nuptial tubercles covered the whole head with opercles in males, but only on the top of the head in females. There were no significant differences regarding meristic traits. Specimens of both sexes were characterized by the formula: 1.1.40-44, sq1 6, sq2 4, D III 7, A III 6, (3)4-5(6,7) scales between the anus and anal fin origin. Males were highly significantly (P < 0.001) different from females with longer pectoral fins, deeper caudal peduncles, and longer V-A distances. The results obtained in the current work are discussed in the context of data from the literature.
3

Ichtiofaunistyczna i ekologiczna inwentaryzacja cieków prowadzących wodę na terenie gospodarstwa stawowego

76%
Bojarski B., Ludwikowska A., Popek J., Szczerbik P., Klaczak A., Lutnicka H., Popek W.
Komunikaty Rybackie
|
2014
|
nr 2
The aim of the study was to determine the diversity of fish fauna and zoobenthos in three pond canals of the Experimental Fisheries Station of the University of Agriculture in Krakow. The physicochemical parameters of the water were also measured. A total of 1,056 fish of 23 species was caught during four sampling catches performed from May 2013 to August 2013. Six of the species identified were aliens. The number of zoobenthos families noted was similar and ranged from eight to 15 depending on the canal and month. The results suggest that the ecological role of the pond canals is significant.
4

New data regarding the distribution and ichthyocoenological affinities of the Ukrainian brook lamprey, Lampetra (Eudontomyzon) mariae (Cephalaspidomorphi: Petromyzontiformes: Petromyzontidae), in southern Poland

64%
Drag-Kozak E., Nowak M., Szczerbik P., Klaczak A., Mikolajczyk T., Falowska B., Socha M., Popek W.
Acta Ichthyologica et Piscatoria
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2011
|
tom 41
|
nr 2
Fifteen new localities of the Ukrainian brook lamprey, Lampetra (Eudontomyzon) mariae, were found within 2008–2010. The majority of them are located in the Nida River drainage. Additionally, the occurrence of that species in the Strwiąż River, a tributary of the Dniester, was confirmed. The cluster analysis performed suggests, that L. mariae exhibits strong affinity to the stone loach, Barbatula barbatula, and the Eurasian minnow, Phoxinus phoxinus. We believe that the distribution of L. mariae on the territory of Poland seems to be strongly underestimated.
5

Contributions to the morphological variation of the common gudgeon, Gobio gobio complex (Teleostei: Cyprinidae), in the upper Vistula drainage (southeast Poland)

64%
Nowak M., Mendel J., Szczerbik P., Klaczak A., Mikolajczyk T., Ozga K., Fałowska B., Popek W.
Archives of Polish Fisheries
|
2011
|
tom 19
|
nr 1
Recent molecular research indicates that several distinct species have been confused under the name Gobio gobio (L.); thus, comparative investigations of numerous local populations are urgently needed. The present study presents and discusses detailed morphometric characteristics of 82 individuals from the G. gobio complex of nine tributaries of the upper Vistula River (southeast Poland) within the context of the known variability of this species. The specimens analyzed generally resemble G. gobio s. stricto in a number of morphometric and meristic characters. The results are rather consistent with previous literature data on Polish populations of the “common gudgeon”; however, as long as molecular analyses are not available, precise identification is impossible.
6

Gospodarka rybacka w aspekcie udrażniania cieków dorzecza Małej i Górnej Wisły

52%
Bartnik W., Epler P., Jelonek M., Klaczak A., Ksiazek L., Mikolajczyk T., Nowak M., Popek W., Slawinska A., Sobieszczyk P., Szczerbik P., Wyrebek M.
Infrastruktura i Ekologia Terenów Wiejskich
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2011
|
nr 13
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