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nfluence of Phosphorus on Phytoplankton Diversity in a Shallow Eutrophic Reservoir

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Title nfluence of Phosphorus on Phytoplankton Diversity in a Shallow Eutrophic Reservoir
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Creator S, Manoharan
Palaniswamy, Rani
Krishnakumar, Periyadan.
 
Subject phosphorus
Phytoplankton
reservoir ecosystem
 
Description Not Available
Seasonal changes in the algal diversity with respect to phosphorus load from sewage and dyeing effluent in a small eutrophic reservoir was investigated for a year with monthly samplings. An increase in phytoplankton count was observed (R 2 = 0. 6) with rise in Phosphate concentrations. Maximum algal diversity (Shannon & Simpsons diversity indices, richness, and evenness) was observed during summer, April to July, when phosphate concentrations were at moderate level (0.074-0.163 mgL-1). Excessive phosphate influx (1.060-1.170 mgL-1) during rainy season, September to November, caused blooms of nonheterocystous assemblage of desmids, particularly of Cosmarium sp and myxophycean species, and a general decrease in algal diversity indices was observed.
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Date 2021-07-29T04:42:26Z
2021-07-29T04:42:26Z
2009-01-01
 
Type Research Paper
 
Identifier S, Manoharan & Palaniswamy, Rani & Krishnakumar, Periyadan. (2009). Influence of Phosphorus on Phytoplankton Diversity in a Shallow Eutrophic Reservoir. Asian Fisheries Science. 22. 505-510. 10.33997/j.afs.2009.22.2.013.
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http://krishi.icar.gov.in/jspui/handle/123456789/50933
 
Language English
 
Relation Not Available;
 
Publisher Not Available