Konstanz, Germany) On the Seerhein Gottlieben On the Lower Lake (Untersee) Triboltingen Ermatingen Mannenbach Eschlibach Berlingen Steckborn Mammern Eschenz Stein am Rhein, Schaffhausen Fishing The lake was frozen in the years 1077 (?), 1326 (partial), 1378 (partial), 1435, 1465 (partial), 1477 (partial), 1491 (partial?), 1517 (partial), 1571 (partial), 1573, 1600 (partial), 1684, 1695, 1709 (partial), 1795, 1830, 1880 (partial), and 1963. About of fish were caught by 150 professional fishermen in 2001 which was below the previous ten-year average of per year. The Lake Constance trout (Salmo trutta) was almost extinct in the 1980s due to pollution, but thanks to protective measures they have made a significant return. Lake Constance is the home of the critically endangered species of trout Salvelinus profundus, and formerly also the now extinct Lake Constance whitefish (Coregonus gutturosus). See also Überlingen mid-air collision Württembergischer Yacht Club Lake Constance is also the title of a track from Mike Oldfield's The Millennium Bell album Peter Handke's play, Ride Across lake Constance, was written in 1971. Notes and references Notes References Further reading (Pictures and texts of the cities around Lake Constance). External links Bodensee-Hochwasser waterlevels Internationale Bodenseekonferenz Regio Bodensee Statistics Lake Constance: pictures Photos of Lake Constance Bibliography on Water Resources and International Law Peace Palace Library GrenzRaumSee: A project from the Ludwig-Uhland-Institut für Empirische Kulturwissenschaft (Ludwig-Uhland-Department of European Ethnology / Empirical Cultural Science) of the University of Tübingen Lake Constance/Bodensee Lessons learned managing the lake Lake Constance Accommodation Tourist Information Lake Constance Lake Constance ENC Chart Lakes of Austria Lakes of Baden-Württemberg Lakes of Bavaria Lakes of Switzerland Mountain lakes Lakes of Thurgau Lakes of the canton of St. Gallen Lakes of Vorarlberg Austria–Switzerland border Austria–Germany border International lakes of Europe Germany–Switzerland border Border tripoints High Rhine basin Lakes of the canton of Schaffhausen Regions of Baden-Württemberg