W ild anim als are threatened by airborne pollution in m any parts o f the w orld. Various types o f contam i nants, such as organic com pounds, heavy metals and ra dionuclides, are spread over large distances and incor porated into rem ote food w ebs (A M A P 1997). This was especially evident after the Chernobyl nuclear acci dent in Ukraine in April 1986 w hich led to subsequent contamination of forest products in many parts of Europe (Savchenko 1995).N ortheastern Sweden was am ong the areas in Europe