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Study of pollution of the Plitvice Lakes by water and sediment analyses


Horvatinčić, Nada; Briansó, José Luis; Obelić, Bogomil; Barešić, Jadranka; Krajcar Bronić, Ines
Study of pollution of the Plitvice Lakes by water and sediment analyses // Water Air and Soil Pollution: Focus, 6 (2006), 475-485 (međunarodna recenzija, članak, znanstveni)


Naslov
Study of pollution of the Plitvice Lakes by water and sediment analyses

Autori
Horvatinčić, Nada ; Briansó, José Luis ; Obelić, Bogomil ; Barešić, Jadranka ; Krajcar Bronić, Ines

Izvornik
Water Air and Soil Pollution: Focus (1567-7230) 6 (2006); 475-485

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
: eutrophication; Plitvice Lakes; sediment; trace elements; water pollution

Sažetak
The process of eutrophication has been observed in some lakes and water streams of the Plitvice Lakes, central Croatia. Here we investigate whether the eutrophication is a consequence of anthropogenic pollution or due to naturally produced organic matter in the lakes. For this study we use chemical measurements of water (nutrients, dissolved organic carbon (DOC), trace elements) and measurements of surface lake sediments (mineral and organic analyses, trace elements) in four different lakes/five sites with and without eutrophic process. There is no significant difference in concentrations of nutrients and trace elements between eutrophic and non-eutrophic waters, whereas the concentration of DOC is higher in eutrophic (1-2 mg/L) than in non-eutrophic water (<1 mg/L). The content of trace elements and organic matter in sediments decreases from the uppermost lake downstream to the lowest lake. The chemical composition of water and sediment does not indicate recent anthropogenic pollution. Higher concentrations of DOC in water as well as phosphorus and some other elements in the lake sediment can be a consequence of input of natural organic matter to the lake water.

Izvorni jezik
Engleski

Znanstvena područja
Fizika, Geologija, Kemija



POVEZANOST RADA


Projekt / tema
0098014

Ustanove
Institut "Ruđer Bošković", Zagreb

Časopis indeksira:


  • Scopus