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; . By the 1960s and 1970s the increased pollution caused frequent algal blooms to occur in the summer. These blooms killed large numbers of fish and left decomposing piles of filamentous algae and dead fish along the shores at times the blooms became so thick waves could not break Fish eating birds such as osprey bald eagle and cormorant were being poisoned by contaminated fish Since the 1960s and 1970s environmental concerns have forced a cleanup of industrial and municipal wastes Cleanup has been accomplished through better treatment plants tighter environmental regulations deindustrialization and increased public awareness Today Lake Ontario has recovered some of its pristine quality; for example walleye a fish species considered as a marker of clean water are now found However regional airshed pollution remains a concern the lake has also become an important sport fishery although with introduced species (Coho and Chinook salmon) rather than the native species Bald eagle and osprey populations are also beginning to recover Invasive species are a problem for Lake Ontario particularly lamprey and zebra mussels Lamprey are being controlled by poisoning in the juvenile stage in the streams where they breed Zebra mussels in particular are difficult to control and pose major challenges for the lake and its waterways Climate, St Basil-the-Great College School (North York 1962 - Basilian Fathers), Financial district Further information: Monarchy in Ontario Executive Council of Ontario and Local government in Ontario. . 1835 347,359 +8.2% Canadian rankings Sculpture at top of Scarborough Bluffs, United States Jozy Altidore 2017 Quarterfinals Mexico UANL Main article: Education in New Brunswick. Head coach Greg Vanney Association Island Bitchy the Hawk is a female Harris's hawk employed by BMO Field falconry staff to sit perched atop the field to ward off seagulls. Originally brought to work in 2007 to prevent seagulls from attacking patrons the hawk has become a fixture of BMO Field She has also been employed at Budweiser Stage in Ontario Place to the south to prevent seagulls from attacking concert-goers since the 1990s. While no official word has come from the club about her status she has been called the official mascot of the team Rivalries. 54 5-2 3.2 European contact See also: List of colleges in Ontario and List of universities in Ontario.
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