Pedogeochemical Anomalies in Surroundings of Great Cormorant Colony (Case Study in Lithuania)
1 Laboratory of Geoenvironmental Research, Nature Research Centre Institute of Geology and Geography, T. Ševčenkos 13, LT-03223 Vilnius, Lithuania
2 Laboratory of Mycology, Nature Research Centre Institute of Botany, Žaliųjų Ežerų 49, LT-08406 Vilnius, Lithuania, Jurga.
The area where the colony of great cormorants in Curonian Spit (Lithuania) prospers from 1989 is the study object of “Koreko” project. Based on geochemical results of 90 samples of topsoil from 6 zones which differ according to the influence of the great cormorants the following main accumulating chemical elements were revealed: S, Cu, P, Cl, Ti and Ca. The contents of some other harmful chemical elements (Cr, Zn, Ni, Pb and Sb) are also elevated in the influence zones of cormorants. Energy-dispersive analysis was used for determination of the contents of 33 chemical elements.
Key words: great cormorant colony / topsoil / XRF analysis
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