Год выпуска: 2011 Автор: Vinay Kumar Singh,Nitu Singh and Pradeep Kumar Издательство: LAP Lambert Academic Publishing Страниц: 96 ISBN: 9783846529454
Описание
An increase in urbanization and industrial activities and higher exploitation of cultivable land has brought about a huge increase in the quantity of discharges and wide diversification in types of pollutants that reach rivers and other aquatic environments. Mollusca are one of the most diverse groups of animals on the planet. Fresh water snails have been used frequently as bioindicator organisms. The use of fresh water mussels for biomonitoring purpose is mostly a recent phenomenon. Fresh water snail Lymnaea acuminata is abundantly found in low lying submerged water logged areas. The snail L. acuminata breeds round the year and they are very sensitive to changes in the quality of water. Effect of seasonal changes on the inhibition of key enzymes-acetylcholinesterase (AChE) and alkaline phosphatase (ALP) in the nervous tissue of snail L. acuminata. This study shows that variant abiotic environmental factors can significantly alter the activity of AChE and ALP activity. Conclusively,...
Юленька, спасибо большое за консультацию!!! Я защетила на "отлично"! Надеюсь на дальнейшее продолжение сотрудничества! Сегодня позвоню по поводу оплаты двух рефератов...