Posts Tagged ‘Great Lakes’
Humans polluted with lead 8,000 years ago
U. PITTSBURGH (US) — The oldest evidence of lead pollution caused by humans has been discovered in Michigan’s Upper Peninsula. Continue…
Wednesday, June 12, 2013 11:40 - 0 Comments
Earth & Environment - Apr 2, 2013 9:49 - 2 Comments
Are big algae blooms Lake Erie’s new normal?
U. MICHIGAN (US) — Rather than being an isolated, one-time occurrence, Lake Erie’s monumental 2011 algae bloom was more likely a sign of things to come, a new study suggests. (more…)
Earth & Environment - Dec 19, 2012 11:52 - 1 Comment
Map details all Great Lakes threats
U. MICHIGAN (US) — A comprehensive map three years in the making tells the story of human impact on the Great Lakes, an ecosystem that contains 20 percent of the world’s fresh water. (more…)
Earth & Environment - Dec 19, 2011 13:06 - 3 Comments
Maples fight to push through leaf litter
U. MICHIGAN (US) — Acid rain is taking a toll on sugar maples in upper Great Lakes forests that have been largely spared the type of damage seen in mature sugar maples in the Northeast. (more…)
Science & Technology - Oct 28, 2011 11:34 - 0 Comments
Coast Guard computer models aid search, rescue
PURDUE (US) — Computer modeling will help the U.S. Coast analyze past Great Lakes search-and-rescue operations and plan for possible future risks related to closures and shifting resource allocations. (more…)
Top Stories - Aug 8, 2011 10:54 - 2 Comments
Dead smell freaks out pool of lampreys
MICHIGAN STATE (US) — The scent of their deceased brethren sends sea lampreys into a self-preservation tizzy as their alarm cues go into overdrive in an attempt to escape. (more…)
Earth & Environment - Apr 20, 2011 10:13 - 0 Comments
Mussel blitzkrieg threatens Great Lakes
U. MICHIGAN (US) — The invasion of two species of mussels is causing massive ecosystem-wide changes by stripping two of the planet’s largest freshwater lakes of life-supporting algae. (more…)
Earth & Environment - May 7, 2010 11:16 - 0 Comments
Don’t blame boats for fatal fish virus
CORNELL (US)—A virus that has killed large numbers of fish in several Great Lakes since 2005 may have been present for decades. The recent finding casts doubt on the theory that ships recently introduced the deadly virus. (more…)
Earth & Environment - Apr 14, 2010 13:24 - 1 Comment
Invasive duo threaten Great Lakes sport fish
U. MICHIGAN (US)—Two notorious Great Lakes invaders—the zebra mussel and the round goby—now play a central role in transferring toxic chemicals called PCBs up the food chain and into Saginaw Bay walleyes, one of that region’s most popular sport fish. (more…)
Earth & Environment - Sep 29, 2009 14:42 - 0 Comments
Map synthesizes total threats to Great Lakes
U. MICHIGAN (US)—Researchers are developing the first regional “threat map” of the Great Lakes. The project, which focuses on the effects of human activity, is designed to help planners and conservation groups in the United States and Canada make decisions and prioritize activities for years to come. (more…)
