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NOAA Great Lakes Food Web Diagrams direct Author NOAA, Great Lakes Environmental Research Laboratory: Mason, Krause, and Ulanowicz, 2002 - Modifications for Lake Superior, 2009.
One impact was a stabilized food web. ... The Lake Superior Committee is coordinated under the auspices of the Great Lakes Fishery Commission and includes fishery managers from the three states ...
Siskiwit Lake [1] is the largest lake on Isle Royale in Lake Superior. 4,150 acres (16.8 km 2) in area, [2] the lake has cold, clear water which is relatively low in nutrients. [3] Tributaries include the Little Siskiwit River , and the lake's outlet is the Siskiwit River which flows into Lake Superior.
Lake Superior is the largest freshwater lake in the world by area and the third largest in volume, behind Lake Baikal in Siberia and Lake Tanganyika in East Africa. The Caspian Sea, while larger than Lake Superior in both surface area and volume, is brackish. Lake Superior's deepest point [4] on the bathymetric map. [1]
In Lake Michigan the sea lamprey began to decimate indigenous fish populations in the 1930s and 1940s. It may have entered the Great Lakes region through the Erie Canal which opened in 1825. [11] and spread even further in 1919 with improvements to the Welland Canal from Lake Ontario to Lake Erie, Lake Michigan, Lake Huron, and Lake Superior.
The introduction of the ruffe seems to be causing much damage to Lake Superior. This fish's invasion of the lake has not only caused problems with space, but competing with other fish for food supply. The ruffe has similar eating habits, but an accelerated reproduction rate compared to other similar fish. Therefore, having more ruffe in the ...
The recent discovery of wreckage more than 600 feet deep in Lake Superior solves one mystery of the SS Arlington, a 244-foot bulk carrier that sank in 1940. But another remains.
A freshwater aquatic food web. The blue arrows show a complete food chain (algae → daphnia → gizzard shad → largemouth bass → great blue heron). A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community.