Phytoplankton dynamics and species diversity in a shallow eutrophic, natural mid-altitude lake in Himachal Pradesh (India): role of physicochemical factors

Autor:	Amrik Singh Ahluwalia, R.K. Thakur, Uday Bhan Singh, Rajinder Jindal
Rok vydání:	2014
Předmět:	Ecology biology Species diversity Oscillatoria princeps biology.organism_classification Navicula Aquatic plant Phytoplankton Botany General Earth and Planetary Sciences Microcystis aeruginosa Arthrospira Eutrophication Ecology Evolution Behavior and Systematics General Environmental Science
Zdroj:	Chemistry and Ecology. 30:328-338
ISSN:	1029-0370 0275-7540
DOI:	10.1080/02757540.2013.871267
Popis:	Rewalsar Lake, a mid-altitude, shallow and recreational water body located in the north-western Himalayas, Himachal Pradesh (India) was studied through monthly surveys in two consecutive years (March 2008 to February 2010). Forty-seven species belonging to seven groups of phytoplankton were identified from the lake. Microcystis aeruginosa and Synedra ulna exhibited a perennial habit. Ankistrodesmus falcatus, Chlorella vulgaris, Scenedesmus bijugatus, Chlamydomonas reinhardi, Eudorina elegans, Navicula cuspidate, Synedra ulna, Euglena acus, Euglena oxyuris, Spirulina gomontii, Oscillatoria princeps and Arthrospira khannae were abundant, and Oscillatoria limosa and Microcystis aeruginosa were highly abundant. Twenty-one important criteria were studied, for example, temperature, free carbon dioxide, biochemical oxygen demand, total alkalinity, nitrate, silicate and phosphate, which provide an idea of the portability of water for irrigation and drinking purposes as per the permissible limits given in World He...
Databáze:	OpenAIRE
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