Habitat Description of the Threatened Freshwater Clam, Galatea paradoxa (Born 1778) at the Volta Estuary, Ghana
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Habitat Description of the Threatened Freshwater Clam, Galatea paradoxa (Born 1778) at the Volta Estuary, Ghana
This research was conducted to at two of the few remaining habitats of the threatened freshwater clam (Galatea paradoxa) at the Volta Estuary in Ghana to describe the current state of the clam habitat with respect to the physicochemical water parameters and the characterize the bottom sediment on which they thrive. The research was carried out over an 18-month period with the aim of facilitatin...
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The concentration of mercury in the tissues of the clam, Galatea paradoxa at in the Volta estuary, Ghana, were analysed over an 18-month period, from March 2008 to August 2009. The concentrations were well below the International Human Consumption Advisory Limit of THg (0.5 μg/g wet weight). The concentrations in the tissues of the different clam size classes were between 6 and 18 times lower t...
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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...
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the concentrations of heavy metals, mn, zn, fe and hg were determined in sediments and in the whole soft tissue of the clam galatea paradoxa from two clam fishing locations, ada and aveglo at the volta estuary in ghana from march to september 2008. thirty clams were obtained from each sampling location monthly and grouped into three size classes of 10 individuals each based on shell lengths as ...
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شهرستان دزفول در بخش شمالغربی خوزستان با مساحت 4700 کیلومتر مربع و جمعیت 380416 (1375 ) واقع شده است . دزفولیها به گویش دزفولی تکلم می کنند ، گویشی که جز دسته جنوبی زبانهای ایرانی است . در این پایان نامه نویسنده قصد دارد گروه فعلی گویش دزفولی را توصیف کند. همچنین به بحث در باره ریشه فعلی و ستاک های مختلف ، ساخت سببی ، فعل های منظم و نامنظم ، ویژگیهای فعل مانند زمان ، وجه و نمود می پردازد در فصل...
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ژورنال
عنوان ژورنال: Current World Environment Journal
سال: 2013
ISSN: 0973-4929,2320-8031
DOI: 10.12944/cwe.8.3.01