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29 March 2024
 
  » pubmed » pmid17782381

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Eutrophication and Recovery in Experimental Lakes: Implications for Lake Management
D W Schindler ;
Date 24 May 1974
Journal Science, 184 (4139), 897-899
AbstractCombinations of phosphorus, nitrogen, and carbon were added to several small lakes in northwestern Ontario, Canada, at rates similar to those in many culturally eutrophied lakes. Phosphate and nitrate caused rapid eutrophication. A similar result was obtained with phosphate, ammonia, and sucrose, but recovery was almost immediate when phosphate additions only were discontinued. When two basins of one lake were fertilized with equal amounts of nitrate and sucrose, and phosphorus was also added to one of the basins, the phosphateenriched basin quickly became highly eutrophic, while the basin receiving only nitrogen and carbon remained at prefertilization conditions. These results, and the high affinity of sediments for phosphorus indicate that rapid abatement of eutrophication may be expected to follow phosphorus control measures.
Source PubMed, pmid17782381 doi: 10.1126/science.184.4139.897
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