Journal
CLEAN-SOIL AIR WATER
Volume 40, Issue 10, Pages 1145-1153Publisher
WILEY
DOI: 10.1002/clen.201200048
Keywords
Grass-type lake; Human activity; Microbial cell; Microorganism
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Funding
- Major Science and Technology Program for Water Pollution Control and Treatment [2009ZX07209-008]
- China National Funds for Distinguished Young Scientists [51125035]
- National Natural Science Foundation of China [41173118]
- National Basic Research Program [2012CB417004]
- Social Basic Research Program [2006FY110600]
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In order to discover the biochemistry mechanism of sediments in eutrophic grass-type lakes, this study selected four grass-type lakes in north China to explore the relation between enzyme activities of sediments and lake eutrophication condition. By applying the assessment method of organic nitrogen (ON) and total phosphorus (TP), the nutrition of lake sediments were assessed. As the results show, Hengshui (HS) Lake and Baiyangdian (BY) Lake, suffering severe pollution, have much higher urease activity in comparison with Nansi (NS) Lake and Dongping (DP) Lake. In addition, there is significant positive correlation between the urease activity and the contents of total nitrogen (TN) and organic matter (OM) of sediments (r?=?0.805, p?
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