Approximately 12.1 percent of the nation's landmass and freshwater are conservation areas, including 11.4 percent designated as protected areas. Approximately 13.8 percent of its territorial waters are conserved, including 8.9 percent designated as protected areas. Canada's first National Park, Banff National Park established in 1885, spans  of mountainous terrain, with many glaciers and ice fields, dense coniferous forest, and alpine landscapes. Canada's oldest provincial park, Algonquin Provincial Park established in 1893, covers an area of  is dominated by old-growth forest with over 2,400 lakes and 1,200 kilometres of streams and rivers. Lake Superior National Marine Conservation Area is the world's largest freshwater protected area spanning roughly  of lakebed, its overlaying freshwater, and associated shoreline on  of islands and mainland's. Canada's largest national wildlife region is the Scott Islands Marine National Wildlife Area, which spans , protects critical breeding and nesting habitat for over 40 percent of British Columbia's seabirds. Canada's 18 UNESCO Biosphere Reserves cover a total area of .