EARTHSC 2WW3 Lecture 10: Lecture 10 - Great Lakes & Environmental Concerns.pdf
9 Dec 2012
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Great lakes & environmental concerns: which of the following is a major target of the 2012 great lakes water agreement, reduction in phosphorus loadings, reduction in nitrogen loadings, reduction in ddt loadings, reduction in pcbs loadings. The forests and grasslands were the foundation of the trade between native people and: the forests and grasslands supported a wide variety of life such as moose in the. Of the original wetlands of southern ontario: 70-80% have been lost. Great lakes & environmental concerns: rapid large scale clearing of land for agriculture, urban uses, shoreline development recreation, and resource extraction (mining) since european settlement has brought massive changes to ecosystem. There were as many as: 180 species of fish indigenous to the great lakes: those inhabiting the near shore areas included smallmouth and largemouth bass, muskellunge, northern pike and channel catfish for each of the lakes. Overfishing and pollution have contributed to the decline of the fisheries.
