For more than half a century, scientists have used a small lake in northwestern Ontario to…
Tag: freshwater ecosystems
Michigan scientists covered invasive zebra mussels with weighted lakebed mats and pumped carbon dioxide underneath; after five days, mortality of caged mussels topped 80%
The approach is based partly on earlier laboratory research suggesting that carbon dioxide can be more…
In 1864, Tasmania introduced brown trout from England for sport; 162 years later, conservationists are creating trout-free havens for a native fish with only about 6,000 left
Tasmania introduced brown trout from England for sport More than 160 years after Tasmania introduced British…
Scientists added sulfuric acid weekly to an Ontario lake for 17 years, lowering pH from 6.8 to 5.2; decades later its lake trout population remains below half its former level
Representative Image (AI-generated) A lake in northwestern Ontario became the setting for a landmark experiment on…
In 1974, a German fisherman released thousands of baby catfish into a Spanish river; 50 years later they are threatening native wildlife as an ‘ecological time bomb’
German biologist and recreational fisherman Roland Lorkowsky released thousands of juvenile Wels catfish into Spain’s Ebro…
The African Great Lakes contain more than 25% of Earth’s surface freshwater, yet many of their unique species face extinction |
Somewhere along the East African Rift Valley sits a chain of lakes holding more than a…
Nearly 150 turtles washed ashore on a Canadian lake, but scientists found the real killer hiding in a brutal winter |
In April 2022, a routine field survey on a quiet Canadian lake turned into one of…