Geography 2011A/B Lecture Notes - Lecture 7: Escherichia Coli, Anticonvulsant, Beta Blocker

• School: Western University
• Department: Geography
• Course: Geography 2011A/B
• Professor: Wendy Dickinson

Document Summary

Water and the great lakes in canada, water is very common: common property, value land much more than water lose sight of its value ignore water except floods or drought. Great lakes: great lake = lake over 500 km2, 250 great lakes world wide, 1/3 in canada, laurentian great lakes, superior, huron, michigan, erie, ontario. Lake st. clair, lake erie, lake ontario, to the st. lawrence and. The a(cid:374)s(cid:449)er is defi(cid:374)itely (cid:862)(cid:374)ot as great as they used to (cid:271)e(cid:863). The reasons for that are by no means straightforward, but today i will try to outline the major issues. Other threats such as aquatic invasive species: the laurentian great lakes superior, michigan, huron, erie, and ontario are the largest group of lakes on the earth. They contain 18% of the (cid:449)orld"s fresh surfa(cid:272)e water and cover 250 000 square kilometres in area with almost 23000 cubic kilometres of water. That sounds like a lot and it is.