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shallow, well warmed up pools distinguished by large productivity and the heightened content of biogenic elements.

penetration into ecosystem and generation in a large number of species alien to it. Pollution by micro-organisms is also called bacteriological or microbiological impurit

penetration into ecosystem and generation in large numbers of alien species of organisms in ecosystem. Pollution by micro-organisms is also called bacteriological or micr

[English – biomeon, Greek bios – life and Latin omo – ending with meaning of a combination] – a large-sized regional or subcontinental part of biosphere characterized by

[Latin abrasio - scraping away, rubbing off] - mechanical destruction of shores of oceans, seas, lakes and large water reservoirs caused by the waves and surfs activity.

Практикум - форма организации учебного процесса; самостоятельное выполнение учащимися практических и лабораторных работ. Проводится, как правило, при завершении крупных р