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国际藻类期刊
SJR: 0.216 SNIP: 0.322 CiteScore™: 0.4

ISSN 打印: 1521-9429
ISSN 在线: 1940-4328

国际藻类期刊

DOI: 10.1615/InterJAlgae.v8.i2.50
pages 174-186

Assessment of a freshwater pollution index using Palmer and Niggard's indices with special reference to phytoplankton

N. G. Jafari
Department of Environmental Sciences, University of Pune, India
V. R. Gunale
Department of Botany, University of Pune, India

ABSTRACT

Biological assessment is a useful for measuring the ecological quality of aquatic ecosystems since biological communities integrate the environmental effects of water chemistry. Algal and water samples were collected at monthly intervals from three sites on the river Mutha (Pune, India). The most pollution tolerant genera and species of four groups of algae were recorded from three sites on the river. Nygaard and Palmer's biotic indices have been used for the assessment of quality of the river. Phytoplankton encountered in the water body reflects the saprobic condition and, therefore, may be used as an indicator of water quality. The algal flora of polluted water bodies shows the dominance of blue green algae and diatoms like, Oscillatoria, Lyngbya, Anabaena, Microcystis, Navicula, Nitzschia, Synedra, and Gomphonema throughout the investigation many green algae like, Pandorina, Scenedesmus, Stigeoclonium, Ankistrodesmus, and Chlamydomonas, also occur abundantly and frequently.


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