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January 26, 2021 The health of aquatic ecosystems depends on the supply of key nutrients, especially phosphorus. Too much phosphorus results in unwanted eutrophication, and much effort is spent on preventing phosphorus pollution of water bodies. In the world’s largest freshwater ecosystem, the North American Great Lakes, this control may have recently been lost to an invasive species. According to a new study published in the journal PNAS, quagga mussels, which have spread across four of the five Great Lakes, have accumulated large amounts of phosphorus in their biomass, to the degree that their activities now regulate the supply of phosphorus to the ecosystem. ....
Date Time Invasive mussels now control a key nutrient in American Great Lakes The health of aquatic ecosystems depends on the supply of key nutrients, especially phosphorus. Too much phosphorus results in unwanted eutrophication, and much effort is spent on preventing phosphorus pollution of water bodies. In the world’s largest freshwater ecosystem, the North American Great Lakes, this control may have recently been lost to an invasive species. According to a new study published in the journal PNAS, quagga mussels, which have spread across four of the five Great Lakes, have accumulated large amounts of phosphorus in their biomass, to the degree that their activities now regulate the supply of phosphorus to the ecosystem. ....
Jan 19 2021 Read 962 Times The impact of climate change upon sea levels is well-documented. Rising temperatures across the globe lead to the thawing of Arctic and Antarctic ice caps, which in turn means that sea levels become higher. But while much of the limelight falls upon this important topic, relatively little attention is devoted to other bodies of water, such as lakes and lagoons. In order to shed light on this underexplored area of research, a collection of scientists from universities in the Netherlands and Germany have embarked on a collaborative study of how climate change has affected the Caspian Sea. Despite its name, the body of water is actually a lake – and the largest lake in the world, moreover – making it a perfect case study for the subject as a whole. ....
Millions of free masks are being provided to Michigan residents. Michigan Mask Aid is an initiative from the state health department to ensure everyone has a mask. There are a couple of locations to pick them up in Gogebic and Iron Counites. These include the Iron County Health Department in Caspian and UPCAP Services in Ironwood. There are also a couple of locations in Dickinson County. It is recommended you call ahead. Gogebic County Location: Gogebic County- Bessemer, 301 East Lead Street, 906-663-6200 Gogebic-Ontonagon Community Action Agency- Bessemer, 100 S. Mill St., (906) 667-0283 Iron County Location: Dickinson County Loactions: Dickinson-Iron District Health Department- Kingsford, 818 Pyle Drive, 906-774-1868 ....
It May Be Too Late to Save The World s Largest Lake From Climate Change 26 DECEMBER 2020 Most people know the world s oceans are on the rise, but further inland, the scales of climate change are tipping in the exact opposite direction. As melting glaciers feed fresh water to the oceans, heat and drought are draining our lakes and inland seas of precious liquid.
The largest inland body of water on Earth, the Caspian Sea, is on a particularly precipitous decline, according to a new study published in Communications Earth & Environment. Scientists are now warning this salty body of water will fall between 9 and 18 metres (30 and 59 feet) by the end of the century, if emissions continue to rise. A decline of that magnitude would evaporate nearly the entire northern Caspian shelf and some of the Turkmen shelf to the southeast. The eastern margin would be completely desiccated , say researchers. ....