Different patterns of uptake and depuration of cadmium by periphyton community and a grazer species (Physa sp.): A mesocosm evalution

Sharifi, Mozafar and Nezhad, Masoumeh Esmaeili and Zereshki, Sina (2007) Different patterns of uptake and depuration of cadmium by periphyton community and a grazer species (Physa sp.): A mesocosm evalution. Freshwater Forum, 27, pp. 15-26.

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Abstract

Widespread pollution by heavy metals generated by various industries has serious adverse effects on human health and the environment. Cadmium is a heavy metal recognised as one of the most hazardous environmental pollutants. It is a non-essential and non-beneficial element to organisms, causing toxicity and other deleterious effects on various components of the aquatic environment. The ability of algal periphyton to concentrate cadmium from fresh water is well known. Moreover, periphyton communities are able to accumulate large amounts of cadmium despite its low concentration in fresh water. Many researchers use algal periphyton as an indicator of water quality in aquatic environments. In the present study, the authors ask two basic questions: Does cadmium accumulate along a food chain consisting of the periphyton community and a grazer species (Physa sp.) under semi-natural conditions provided by artificial streams? If not, which one can better indicate the water quality?

Item Type: Article
Title: Different patterns of uptake and depuration of cadmium by periphyton community and a grazer species (Physa sp.): A mesocosm evalution
Personal Creator/Author:
CreatorsEmail
Sharifi, Mozafar
Nezhad, Masoumeh Esmaeili
Zereshki, Sina
Refereed: No
Journal or Publication Title: Freshwater Forum
Volume: 27
Page Range: pp. 15-26
Date: 2007
ISSN: 0961-4664
Issuing Agency: Freshwater Biological Association
Uncontrolled Keywords: Periphyton; Cadmium; Rivers; Experimental research; Bioaccumulation; Chemical pollution; Iran; Kermanshah
Subjects: Biology
Ecology
Limnology
Item ID: 4720
Depositing User: Hardy B Schwamm
Date Deposited: 14 Jan 2011 13:29
Last Modified: 29 Sep 2011 15:59
URI: http://aquaticcommons.org/id/eprint/4720

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