Search Results - "Wisniewolski, W"

Comparison of hydroacoustic estimates with fish census in shallow Malta Reservoir – which TS/L regression to use in horizontal beam applications? by Godlewska, M., Frouzova, J., Kubecka, J., Wiśniewolski, W., Szlakowski, J.

“…In shallow waters horizontally aimed transducers are used to maximize usable survey volume due to the physical limitations of the environment. However,…”
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Challenges in developing fish-based ecological assessment methods for large floodplain rivers by DE LEEUW, J. J., BUIJSE, A. D., HAIDVOGL, G., LAPINSKA, M., NOBLE, R., REPECKA, R., VIRBICKAS, T., WIŚNIEWOLSKI, W., WOLTER, C.

“…Large European floodplain rivers have a great diversity in habitats and fish fauna, but tend to be heavily modified. The complexity of these river systems and…”
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Hydroelectric Facilities And Fish by Wisniewolski, Wieslaw

“…This article gives an overview the impact hydroelectric power facilities on ichthyofauna and river ecosystems. Issues addressed include the destruction of fish…”
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Fecundity of catfish (Silurus glanis L.) from the rivers Vistula and Bug by W. Wiśniewolski

“…Analyses were made of the fecundity of catfish from the rivers Vistula and Bug. Oocytes were counted, measured, and divided into groups depending on the…”
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Development of a new tool for fish-based river ecological status assessment in Poland (EFI+IBI_PL) by Adamczyk, Mikołaj, Prus, Paweł, Buras, Paweł, Wiśniewolski, Wiesław, Ligięza, Janusz, Szlakowski, Jacek, Borzęcka, Irena, Parasiewicz, Piotr

“…Fish-based indices for evaluation of river ecosystem quality have been used since the 1980s, when the Index of Biotic Integrity (IBI) was first introduced…”
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Changes occurring over time in commercially exploited fish assemblages in lowland dam reservoirs by Wiśniewolski, Wiesław, Borzęcka, Irena, Buras, Paweł

“…Changes in the ichthyofauna assemblages of three shallow dam reservoirs located in central and eastern Poland are presented based on long-term records of…”
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Tag retention and survival of fish tagged in controlled pond experiments by WISNIEWOLSKI, W, NABIALEK, J

“…Fish survival, tag retention and tag loss evaluated in pond experiments and described by linear regression equations. Tagging of fish had no significant…”
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Sex differentiation in European catfish Silurus glanis L. by discriminant analysis of pectoral fin data by Wisniewolski, W, Gorczynski, J, Madry, W

“…Width of the first ray of the pectoral fin has been measured in two places for 154 young and 89 adult wels. Statistical relationships between the above…”
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Fish stock assessment in dam reservoirs located in the upper Vistula and Warta river catchment areas based on angling catch records by Wolos, Arkadiusz, Wisniewolski, Wieslaw

“…The regional departments of the Polish Anglers' Association (PAA) in the provinces of Bielsko-Biała, Częstochowa, and Katowice (with a combined membership of…”
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Assessing angling catches in dam reservoirs on the example of Zegrze Dam Reservoir by Wisniewolski, Wieslaw, Wolos, Arkadiusz, Borzecka, Irena

“…Three methods were used to estimate the size and structure of angling catches in Zegrze Dam Reservoir in the 1999-2001 period. The material analyzed comprised…”
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