I would say 0 out of 2, since 2 is the maximum score. The lakes are critical components of the regional economies in both the United States and Canada. 491 likes, 15 comments - Plastic Pollution Coalition (@plasticpollutes) on Instagram on September 15, 2021: " Nurdles are toxic plastic pellets that come from . Commercial tug-and-barge traffic on these waterways is heavy.[33]. As the surfaces of Lakes Superior, Huron, Michigan, and Erie are all approximately the same elevation above sea level, while Lake Ontario is significantly lower, and because the Niagara Escarpment precludes all natural navigation, the four upper lakes are commonly called the "upper great lakes". Please select which sections you would like to print: Director, Great Lakes Environmental Research Laboratory, National Oceanic and Atmospheric Administration, Ann Arbor, Michigan. [94] Plastic waste found in the lakes include single-use plastics, plastics used in packaging, takeout containers as well as pre-production pellets produced by plastics industry. I really wonder about people that think they're not like the ocean. [65] By 1900, commercial fishermen on Lake Michigan were hauling in an average of 41million pounds of fish annually. The surface area of the five primary lakes combined is roughly equal to the size of the United Kingdom, while the surface area of the entire basin (the lakes and the land they drain) is about the size of the UK and France combined. Corrections? ", Explorer says Griffin shipwreck may be found, "L.R. [14] Lake Michigan is the only one of the Great Lakes that is entirely within the United States; the others form a water boundary between the United States and Canada. The number of American adults who take anti-depressant drugs rose from 7.7% of all American adults in 19992002 to 12.7% in 20112014. In the 19th and early 20th centuries, iron and other ores such as copper were shipped south on (downbound ships), and supplies, food, and coal were shipped north (upbound). 78 people died making it the largest loss of life in Lake Superior and the greatest unexplained loss of life in the Great Lakes. The project captured 74,000 pieces of trash using this technology between 2020 and 2021, however it does not claim to catch up with 22million pounds (10.0kt) of plastic that ends up in Great Lakes every year. The lakes have not benefited from this development, however, and have been seriously affected by pollution. Are the Great Lakes Really Inland Seas? - Atlas Obscura The Great Lakes Waterway enables modern travel and shipping by water among the lakes. The Great Lakes are also in question, to me at least. Concerns by the mid-19th century included obstructions in the rivers which prevented salmon and lake sturgeon from reaching their spawning grounds. [52] Traversing the shoreline of all the lakes would cover a distance roughly equivalent to travelling half-way around the world at the equator.
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