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Study on the evolution of the aquatic fauna in Lacul Ştiucii reservation during 2000-2011, Cluj County, Romania

Author(s): Mircea Nădăşanu | Ioan Bud

Journal: Advances in Environmental Sciences
ISSN 2066-7620

Volume: 4;
Issue: 2;
Start page: 69;
Date: 2012;
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Keywords: Lacul Ştiucii | natural reservation | aquatic fauna | Cluj County

Lacul Ştiucii (Pike Lake) lying on the northwest side of the Transylvanian Plain, is one of themost interesting, important and fascinating reservations in Romania, which is known (among otherthings) for breaking a few records, such as being the deepest natural freshwater lake in Transylvania, theless affected by anthropic interventions, whilst being the only lake in the Transylvanian Plain wherefloating reed islet formations have developed. One of the objectives pursued by this study has been toaccurately identify the structure of the ichthyofauna, its evolution throughout the last 12 years, as wellas causes lying behind a succession of significant changes occurred. To the end, we monitored 1,760predatory fish specimens and over 3,000 non–predatory fish specimens, drawing comparisons on thecurrent status of the fish fauna and ascertaining trends of its transformation during the last 12 years.
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