| Автор | Smeltzer, Eric |
| Дата выпуска | 1990 |
| dc.description | ABSTRACTLake Morey, Vermont provides a case history of a successful lake restoration effort. Decades of algal blooms and a major summer fish kill preceded a hypolimnetic alum and sodium aluminate treatment in 1986. Earlier diagnostic studies with paleolimnological analyses and a detailed phosphorus budget revealed the cause to be internal phosphorus loading from anoxic hypolimnetic sediments. The aluminum treatment of these sediments resulted in sharp declines in total phosphorus and chlorophyll a concentrations, and increased Secchi transparency. The dose rate of 44 g Al/m<sup>2</sup> appears to have been sufficient to form an effective barrier to sediment phosphorus release, and improved conditions continue to persist after four years. Elevated dissolved aluminum levels and some possible adverse effects on the benthic invertebrates and the yellow perch population were temporarily observed following the treatment. The apparent success of the project in controlling phosphorus concentrations is the result of an accurate diagnosis of sediment release as the dominant source of phosphorus and the appropriate use of aluminum treatment to inhibit release. |
| Формат | application.pdf |
| Издатель | Taylor & Francis Group |
| Копирайт | Copyright Taylor and Francis Group, LLC |
| Название | A Successful Alum/Aluminate Treatment of Lake Morey, Vermont |
| Тип | research-article |
| DOI | 10.1080/07438149009354691 |
| Electronic ISSN | 2151-5530 |
| Print ISSN | 1040-2381 |
| Журнал | Lake and Reservoir Management |
| Том | 6 |
| Первая страница | 9 |
| Последняя страница | 19 |
| Аффилиация | Smeltzer, Eric; Vermont Department of Environmental Conservation |
| Выпуск | 1 |
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