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This food web has been damaged not only by over-fishing and changes in nutrient levels but also by other types of pollution from industrial chemicals agricultural fertilizers untreated sewage phosphates from laundry detergents and pesticides Some pollutant chemicals that have been found in the lake include DDT benzo[a]pyrene and other pesticides; PCBs aramite chromium lead mirex mercury and carbon tetrachloride the International Joint Commission has identified areas where pollution is particularly intense (point sources) and mapped them as Areas of Concern a Remedial Action Plan has been developed for each area Some Lake Ontario areas of concern include the Oswego River and Rochester Embayment on the American side and Hamilton Harbour and Toronto on the Canadian side.[citation needed]; Territorial Approach to Climate Change North York Board of Education Main article: List of Toronto Maple Leafs draft picks!

. Cityscape ART Global Initiative Toronto Ontario Canada Business directory The Ottawa River timber trade resulted from Napoleon's 1806 Continental Blockade in Europe the United Kingdom required a new source of timber for its navy and shipbuilding Later the UK's application of gradually increasing preferential tariffs increased Canadian imports the trade in squared timber lasted until the 1850s the transportation of raw timber by means of floating down the Ottawa River was proved possible in 1806 by Philemon Wright. Squared timber would be assembled into large rafts which held living quarters for men on their six-week journey to Quebec City which had large exporting facilities and easy access to the Atlantic Ocean The timber trade was Upper and Lower Canada's major industry in terms of employment and value of the product.Greening (1961) pp 111 the largest supplier of square red and white pine to the British market was the Ottawa River and the Ottawa Valley They had "rich red and white pine forests." Bytown (later called Ottawa) was a major lumber and sawmill centre of Canada Transportation and communications. See also: Toronto government debt The 1795 Jay Treaty officially set the borders between British North America and the United States north to the Great Lakes and St Lawrence River on 1 February 1796 the capital of Upper Canada was moved from Newark (now Niagara-on-the-Lake) to York (now Toronto) which was judged to be less vulnerable to attack by the US The Act of Union 1840 passed 23 July 1840 by the British Parliament and proclaimed by the Crown on 10 February 1841 merged Upper Canada with Lower Canada to form the short-lived United Province of Canada Government. 3.3 Upper Canada Rebellion of 1837, Lake Ontario from Prince Edward County Ontario, 9.3.4 MLS Coach of the Year Airport rail link.