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  1. 2 Oceanological and Hydrobiological Studies

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  1. 2 2004

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  1. 2 Imre A.

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Comparison of saprobical analyses using plankton in the tributaries of the upper Tisa, Hungary In 2001-2002

100%
Imre A.
Oceanological and Hydrobiological Studies
|
2004
|
issue 2
63-75
EN
Saprobiological investigation using plankton is a part of everyday monitoring practice for determination of water quality in Hungary. However there is an important question: Is this way of using plankton (mainly phytoplankton) good enough and bringing enough information? We can hear, this method is too old and its result are not collateral with different chemical way?s describing saprobity. Another problem of this biological method is being so labor-intensive, demanding a well qualified knowledge on algology and protozoology. To solve these problems and questions we examined saprobiological and the chemical results, describing water quality of tributaries of Hungarian Upper-Tisa, in years 2001-2002. Summarizing results of our investigations, we can say: biological (saprobiological) method of analyses for saprobity is not worse than chemical ways and can give us more information about ecological parameters.
2

Phytoplankton based biomonitoring on Hungarian upper-Tisa

88%
Imre A.
Oceanological and Hydrobiological Studies
|
2004
|
issue 2
57-62
EN
Phytoplankton based biomonitoring in Hungary actually includes its numbers, also saprobiological investigation and measurement of chlorophyll-a. Saprobiological analyses showed us 199 different described planktonic forms (including Ciliata, Bacteria, Flagellata apochromatica and Mycophyta), which were dominated usually by Diatoms. Other periods are characterised by equalized domination between phylla of algae. The highest numbers of algae were registered usually in summer season and the chlorophyll-a?s level showed explicit correlation with it. Classification on the content of chlorophyll-a must be corrected by a seasonal factor, according to changeable light conditions. Saprobity at every sampling places in all sampling time was showed the second or the third class of water quality, with only one exception at Zahony
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