Zobrazeno 1 - 10
of 14
pro vyhledávání: '"K. Radziun"'
Publikováno v:
Acta Ichthyologica et Piscatoria, Vol 30, Iss 2, Pp 85-92 (2000)
Changes in juvenile rainbow trout (Oncorhynchus mykiss Walb.) gills at different times after transfer to a brackish water (4-7‰) culture in the Puck Bay were followed. Total gill tissue mounts as well as thin and ultra-thin sections were examined.
Externí odkaz:
https://doaj.org/article/2f23f625beda484c88b54722e2dd4ea7
Autor:
M. Stańkowska-Radziun, K. Radziun
Publikováno v:
Acta Ichthyologica et Piscatoria, Vol 23, Iss S, Pp 107-114 (1993)
A successful in vitro incubation of eggs of Salmincola edwardsii (Olsson,1869), a parasitic copepod living on gills of the Arctic charr (Salvelinus alpinus (L.,1758)) resulted in obtaining nauplii and copepodites of the parasite. The pre-molt nauplii
Externí odkaz:
https://doaj.org/article/01a759f4b60a4a09810bc5e297d22846
Autor:
K. Radziun
Publikováno v:
Acta Ichthyologica et Piscatoria, Vol 23, Iss S, Pp 7-22 (1993)
Results of observations on biology. occurrence. capture methods. and preservation of the Arctic charr from the Hornsund region are presented.Certain unfavourable changes in abundance and age composition of the population sampled justify the plea for
Externí odkaz:
https://doaj.org/article/7c5e758f197f46ee8a88325400f9f6bd
Autor:
A. Sobociński, K. Radziun
Publikováno v:
Acta Ichthyologica et Piscatoria, Vol 23, Iss S, Pp 37-46 (1993)
A preliminary osteological analysis of 48 individuals of the Arctic charr, Salvelinus alpinus (L.,1759) was performed within the framework of a comprehensive study of the species in the area of Hornsund (Vest Spitibergen). The Arctic charr in the are
Externí odkaz:
https://doaj.org/article/56bcd0f3788f43b5892b5b362f386a98
Autor:
S. Krzykawski, K. Radziun
Publikováno v:
Acta Ichthyologica et Piscatoria, Vol 23, Iss S, Pp 47-65 (1993)
Various anatomical elements of the Arctic charr are discussed in terms of their applicability to age and growth rate studies. The following elements, obtained from 20 charr individuals caught in 1986 in Lake Svartvatnet, are considered: scales, otoli
Externí odkaz:
https://doaj.org/article/7482a0d63f9a4018aac13d4ab85deb78
Autor:
K. Radziun, A. Winnicki
Publikováno v:
Acta Ichthyologica et Piscatoria, Vol 7, Iss 2, Pp 9-14 (1977)
A photodiode as a sensor fitted to an electrocardiograph enables a precise recording of changes in fish egg turgor to be made.
Externí odkaz:
https://doaj.org/article/4c4647cfcfd64b46b2aea7062e5a69ff
Autor:
K. Radziun, L. Tomasik
Publikováno v:
Acta Ichthyologica et Piscatoria, Vol 15, Iss 2, Pp 129-140 (1985)
Ultrastructural studies (TEM) on Hucho hucho (L.) spermatozoa revealed lack of acrosome and eccentric situation of the flagella in relation to the head and the middle piece. The relatively small middle piece, with characteristic mitochondrial collar,
Externí odkaz:
https://doaj.org/article/a9c35b7da90a4cd1870cbc7d587771eb
Publikováno v:
Acta Ichthyologica et Piscatoria, Vol 5, Iss 1, Pp 41-44 (1975)
The frequency of the heart stimulations and respirations of the bulltrout (Salmo trutta trutta L.) was examined from the point of view of the daily rate in the aquarium conditions.
Externí odkaz:
https://doaj.org/article/865f029561124770b2ee433152e326dc
Publikováno v:
Acta Ichthyologica et Piscatoria, Vol 1, Iss 1, Pp 7-20 (1970)
Structural and mechanical properties of the egg membranes of Salmo gairdneri Rich. in the period of hatching were investigated. Only local action of hatching enzyme upon the egg membrane and local decrease of its strength was observed. In the places,
Externí odkaz:
https://doaj.org/article/9fbe4bb39cbe4497863ac2bf00003dd1
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