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Lake Rusałka is a shallow, artificial, strongly eutrophic reservoir. Thermal stratification is weak and comprises only about 8% of the bottom surface. In summer, the epilimnion is oversaturated with oxygen due to intensive phytoplankton growth (chlorophyll a up to 80.2 μg l^-1), while conditions in the hypolimnion are anaerobic. The high concentration of ammonium nitrogen and low N:P ratio stimulated...
Przedstawiono wyniki 2-letnich (2006-2007) badań jakośclowych i ilośclowych makrozoobentosu, a szczególnie zmienności przestrzennej i struktury dominacji w rzece Płocicznej (Drawieński Park Narodowy). Analizowano wpływ fizycznych cech siedlisk (character przepływu, typ podłoża) i parametrów chemicznych wody na faunę denną w systemie rzeczno-jeziornym. Badania obejmowały trzy siedliska lenityczne (w...
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