The effects of abiotic conditions on release of biogenic substances from bottom sediments

Tadeusz Sobczyński

doi:10.2478/v10009-009-0011-y

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The effects of abiotic conditions on release of biogenic substances from bottom sediments

Oceanological and Hydrobiological Studies

Volume 38 (2009): Issue 1 (March 2009)

By: Tadeusz Sobczyński

Open Access

|Apr 2009

Abstract

The effects of abiotic environmental conditions, such as water oxygen content, pH and temperature, on the release of biogenic substances (mainly orthophosphates) from bottom sediments were examined in freshly collected samples from Lake Góreckie, Wielkopolski National Park. It was observed that their release was favoured by anaerobic conditions, alkaline pH and elevated temperatures, which are conditions naturally occurring in surface waters, especially in reservoirs of higher trophy.

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