Table 1.

Sampling sites used in this study

Sampling siteLocationDate of sampling (mo/yr)
Lake GossenkölleseeAustrian Alps near Innsbruck; 2,417 m a.m.s.l.a12/95
Lake Lago di CadagnoPiora Valley in the south of Switzerland; 1,923 m a.m.s.l.8/95
Lake Grosser OsterseeSouthern Bavaria near Munich; 580 m a.m.s.l.7/96
Lake BaikalSoutheastern Siberia near Irkutsk; 456 m a.m.s.l.8/95 and 8/96
North Sea“Kabeltonne,” offshore Helgoland10/97
Baltic Sea57°18.18′N, 20°04.36′E8/96
Pacific OceanPlaya del Rey pier in Venice, Calif.10/96
Antarctic Ocean68°50.57′S, 06°01.08′E; 58°56.52′S, 03°58.44′E; 49°29.40′S, 11°23.58′E; 50°28.62′S, 08°08.82′E1/96
  • a a.m.s.l., above mean sea level.