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- W2009773844 abstract "Factor analysis and related statistics were used in the study of the eutrophication of San Daniele Lake (north‐eastern Italy). The samples were collected monthly in a central station; several physical‐chemical and biological parameters were determined. 13 cases (spanning a year) and 9 variables (ammonia, nitrate, dissolved oxygen, temperature, water hardness, phosphate, transparency, total zooplankton and rain precipitation) were retained for principal factor analysis. Four principal factors were extracted to interpret 83.4% of total variance. Analysis of the loadings on the Varimax‐rotated factors led to assignment of the processes responsible for the eutrophication. The first factor, closely related to dissolved oxygen, temperature, water hardness, transparency and total zooplankton, can be interpreted as evidence of biomass activities in the lake. The nutrients (ammonia from sewages, phosphates from detergents and nitrates from fertilizers) are related to secondary factors. The comparison of the presen..." @default.
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- W2009773844 date "1997-08-01" @default.
- W2009773844 modified "2023-09-23" @default.
- W2009773844 title "Principal factor analysis as applied in environmental chemistry: The study of eutrophication in a shallow lake" @default.
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- W2009773844 doi "https://doi.org/10.1080/02772249709358476" @default.
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