Response of an Algal Community to Chromium
2000
P. K. Goel | R. G. Shete
The paper deals with the study conducted for evaluation of the effects of chromium on the algal population by laboratory bioassay test. The results show that the algal species are affected differentially by the chromium concentrations ranging from 0.5 to 10 ppm.In general, the sensitive species to chromium include Closterium acutum, Closterium cambricum, Closterium venus, Crusigenia fenestrata, Kirchneriella contorta, Monoraphidium capricornutum, Monoraphidium contortum ,Scenedesmus acuminatus, Tetraedron trigonum, Anabaena incrassata, Chroococcus turgidus, Merismopedia tenuissima, Spirulina laxissima, Cylindrotheca gracils and Melosir agranulata. However, a few species like Navicula viridula, Cosmarium depressum, Kirchneriella microscopica and Microcystis aeruginosa were found to be tolerant to chromium, which could be exploited for their indicator value along with other species found tolerant by other workers.
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