Practice deck · 13 questions
Fish, snakes, birds, mussels and the algae that closed a city's taps.
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Answer: Microcystin, from an algal bloom
Microcystin, made by cyanobacteria in a Lake Erie bloom, was found above the 1 microgram per liter limit in the city's water.
Answer: 2012
The Port of Cleveland, the Garden Club of Cleveland and local partners opened it to visitors in 2012.
Source: Port of Cleveland: Cleveland Lakefront Nature Preserve
Answer: Walleye
Walleye returned as the lake was cleaned up. The other three are invasive species.
Source: Wikipedia: Lake Erie
Answer: A disposal site for dredged harbor sediment
The Army Corps of Engineers placed dredged sediment there from 1979 to 1999. Plants, trees and then birds took over.
Source: Port of Cleveland: Cleveland Lakefront Nature Preserve
Answer: In the ballast water of ocean-going ships
They are thought to have arrived in ballast water discharged by a transatlantic freighter.
Source: USGS: What are zebra mussels and why should we care about them?
Answer: About 280
The Port of Cleveland counts 280 bird species over time, plus 42 kinds of butterflies.
Source: Port of Cleveland: Cleveland Lakefront Nature Preserve
Answer: About 400,000
Roughly 400,000 people in and around Toledo had no drinkable tap water from August 2 to August 4, 2014.
Answer: It had recovered
The U.S. Fish and Wildlife Service declared it recovered in 2011 after protection of its shoreline habitat. Ohio still protects it.
Source: U.S. Department of the Interior: Recovery of the Lake Erie Watersnake (2011)
Answer: Quagga mussel
Quagga mussels, like zebra mussels, gobies and grass carp, arrived from elsewhere. The other three are native.
Source: Wikipedia: Lake Erie
Answer: The most productive for fish
Shallow, warm water makes Lake Erie the most biologically productive of the Great Lakes and home to one of the largest freshwater fisheries in the world.
Answer: Eastern Europe and western Asia
They come from the lakes and rivers of eastern Europe and western Asia (around the Black and Caspian Seas).
Source: USGS: What are zebra mussels and why should we care about them?
Answer: On the islands of western Lake Erie
It lives on the rocky shores of the western Lake Erie islands, around Put-in-Bay and its neighbors.
Source: U.S. Department of the Interior: Recovery of the Lake Erie Watersnake (2011)
Answer: Lake St. Clair
They were discovered in June 1988 in Lake St. Clair, between Lake Huron and Lake Erie, and spread to all five Great Lakes within ten years.
Source: USGS: Distribution and dispersal of the zebra mussel in the Great Lakes region
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