ocr: Subsequently, the need or establishment of environmentalbase- Table 1: Lakes Studed(Continued lineshas: receredattentionatthe 1972United_NationsConferenoe onthe Humntutsmematandalwep effortsto implementa Name Continent Area Depth Global Environmental Monitoringsystem(NAS1970). Volta Africa 3,276 Table 1: Lakes Studied Tificaca South 4merica 3,200 922 Name Continent Area Depth Nicaragua North North America America 3,064 3,100 407 230 Athabasca Caspian Sea Asia-Europe 143244 3,363 Reindeer North America 2,568 720 Superior North America 31,700 1,330 Turkana Africa 2,473 240 Victoria Africa 26,828 ...