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|Title: ||Relationship Between Gonad Maturation and Heavy Metal Accumulation in the Clam, Galatea paradoxa (Born 1778) from the Volta Estuary, Ghana|
|Authors: ||Adjei-Boateng, D.|
Obirikorang, K. A.
Madkour, H. A.
Otchere, F. A.
|Keywords: ||Reproductive cycle|
|Issue Date: ||27-Sep-2011|
|Publisher: ||Bull Environ Contam Toxicol|
|Citation: ||Bull Environ Contam Toxicol (2011) 87:626–632|
|Abstract: ||Abstract The relationship between gonadal development
and the concentrations of four heavy metals Mn, Zn, Fe and
Hg in the tissues of the clam Galatea paradoxa was
evaluated at the Volta estuary, Ghana, over an 18-month
period. Metal concentrations in the clam tissues were
highly variable over the sampling period and seemed to
be influenced by the reproductive cycle of the clam.
Mn concentrations varied over a wide range from 49 to
867 lg/g and exhibited a significant positive correlation
with gonadal development (p = 0.0146, r2 = 0.3190). Zn
and Fe concentrations ranged from 13 to 59 lg/g and 79 to
484 lg/g, respectively and both revealed negative relationships
between gonad development and metal accumulation
(Zn (p = 0.0554, r2 = 0.0554) and Fe (p = 0.1040,
r2 = 0.1567)). Hg concentrations ranged from 0.026 to
0.059 lg/g over the sampling period and exhibited a slight
positive relationship between gonadal development and
metal accumulation (p = 0.0861, r2 = 0.1730).|
|Description: ||An article published by Bull Environ Contam Toxicol (2011) 87:626–632|
|Appears in Collections:||College of Agric and Natural Resources|
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