Phosphorus fractions and phosphorus sorption characteristics of freshwater sediments and their relations to sediment composition
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05/02/2001
Pyrocatechol violet and thiocyanate methods used in the water analysis for spectrophotometric determination of aluminum (Al) and iron (Fe),...
02/02/2001
Two independent surveys showed that aquatic insects can generate echoes comparable with the echoes of small fish. In the open water of two fishless...
03/05/2000
Acid precipitation has been shown to reduce phosphorus (P) outputs from terrestrial sources. We present field evidence that the in-lake P cycle may...