Год выпуска: 2012 Автор: Ayaz Ahmed and Ashwani Wanganeo Издательство: LAP Lambert Academic Publishing Страниц: 324 ISBN: 9783659187803
Описание
The wide use of pesticides in recent years has caused concern about the fate of the chemicals in the environment. Usage of pesticides in agriculture has potential hazardous impact on aquatic organisms since they are often concentrated in lakes and ponds through the agricultural runoff and later affect the aquatic sources adversely. Plankton which comprises a large portion of living matter in natural waters is affected to a greater extent. Toxicity is a biological response and this needs to be taken into account in formulating realistic guidelines on the acceptable upper limits on pesticide contamination of the environment. Toxicity testing has a clear role in safeguarding environmental quality but a considered selection of the testing methods is essential for obtaining relevant results. Keeping this in view, the present book focuses on the limno-biology and methods of ecotoxicological studies on aquatic biota and response of the aquatic biota to the toxicants. This book will be...
Наталия Васильевна (запрос на бесплатные материалы)
Большое спасибо, Юля! Я действительно высылала Вам запрос на рефераты и курсовые, но, к сожалению, после 1 февраля они уже не понадобятся. (Мой сын мне слишком поздно сказал) А Вам ребята я желаю успехов. Надеюсь еще не один раз посетить Студенточку. Вы очень помогаете ребятам, а уж нам родителям и подавно.