NDLI: Effects of clam size on heavy metal accumulation in whole soft tissues of Galatea paradoxa (Born, 1778) from the Volta estuary, Ghana.

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Effects of clam size on heavy metal accumulation in whole soft tissues of Galatea paradoxa (Born, 1778) from the Volta estuary, Ghana.

Content Provider	Semantic Scholar
Author	Amisah, Stephen Adjei-Boateng, Daniel Obirikorang, Kwasi Adu Quagrainie, Kwamena K.
Copyright Year	2009
Abstract	The Volta basin clam, Galatea paradoxa, is collected for food and remains an important affordable protein source for the riparian communities in the catchment. Clams accumulate metals in their soft tissues, which can be toxic to humans when consumed. A study was, therefore, carried out to examine the concentrations of Mn, Zn, Fe and Hg in G. paradoxa, at 3 different size classes: small (20 40 mm), medium (41 – 60 mm) and large (>60 mm) at Ada and Aveglo in the Volta estuary area in Ghana. The concentrations of heavy metals in the clams varied considerably between the two locations. There were, however, no significant differences (p > 0.05) in Mn, Fe and Zn concentrations among the different size classes, indicating a similar bioavailability of the metals at both locations and, possibly, an efficient metabolism to keep the concentrations of Mn, Fe and Zn relatively similar. Mercury concentrations in the Ada clams varied significantly (p < 0.05) among the different size classes. A Risk Analysis indicated that the concentrations of heavy metals in the clams were within acceptable limits and safe for human consumption.
Starting Page	14
Ending Page	21
Page Count	8
File Format	PDF HTM / HTML
Volume Number	1
Alternate Webpage(s)	http://crsps.net/wp-content/downloads/AquaFish/Inventoried%2010.22/8-2009-4-444a.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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