DETROIT (AP) — The expansion of a spawning reef for lake sturgeon in the Detroit River is helping the fish population recover in the area, raising hopes for future efforts to improve the Great Lakes fishery, wildlife officials said.

The findings are from the U.S. Geological Survey and U.S. Fish and Wildlife Service about the Fighting Island reef expansion in Ontario, Canada. Officials used 2014 monitoring data to make their determination about the spawning reef in the river, which runs between the U.S. and Canada.
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"Our data show that viable lake whitefish eggs were present on the expanded reef bed in the fall of 2013 and that walleye, lake sturgeon and native sucker eggs were also present there in the spring of 2014," Edward Roseman, a biologist with the Geological Survey's Great Lakes Science Center, said in a statement.

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