Baltic Coastal Zone

Journal of Ecology and Management of the Coastline

Vol. 17 pp. 21 - 34 2013

ISBN 1643-0115

©Copyright by Institute of Biology and Environmental Protection of the Pomeranian Academy in Słupsk

Original research paper

Received:

Accepted:

04 April 2013

02 July 2013

 

THE BIOCHEMICAL COMPOSITION OF SEDIMENTARY ORGANIC MATTER IN SANDY BEACHES OF VARIOUS ANTHROPOPRESSURE

Jan Trojanowski* & Katarzyna Bigus

Department of Environmental Chemistry, Institute of Biology and Environmental Protection, Pomeranian University in Słupsk, ul. Arciszewskiego 22, 76-200 Słupsk, Poland e-mail: jan.trojanowski@apsl.edu.pl (*corresponding author)

 

Abstract

Beach sediments from two beaches at the Polish coast of the Baltic Sea were collected and analyzed. The sediments were collected in two seasons – winter and summer – at two stations, depending on the influence of the sea water on the examined sediments. At each station, surface sediments (0-5 cm) were collected as well as sediments at the depth of 10-15 cm. The results of the conducted tests reveal, that anthropopressure, the depth where the collected sediments were taken and the direct influence of the sea water on the sediments have impact on the chemical composition of beach sediments and their food quality for the inhabiting psammon. The conducted tests disclose that there is more organic matter and its labile forms in the sediments originating from Ustka. Strong anthropogenic pressure found at the beach in Ustka also contributes to higher concentration of uncharacterized fraction of organic carbon in the area. Analyzing alimentary usefulness of the organic matter there, it seems to be higher at the beach in Czołpino.

Key words: organic matter, beach sediments, anthropopressure