The study, which took a “citizen science” approach to data collection, is the first of its kind in Switzerland. More than 150 trained volunteers participated. In total, they examined 95,971 pieces of litter collected on the shores of Swiss rivers and lakes.
The kind of toxic algae that forms each summer on Lake Erie and other lakes around Ohio feeds on phosphorus, a key element of livestock manure and sewage. Much of the phosphorus that gets into the lake comes from the Maumee River, which flows through eastern Indiana and western Ohio, depositing its waters into the western part of Lake Erie near Toledo.
Manure and sewage wash from soil and into the rivers and streams that feed the Maumee. More rains mean more runoff.
The gulf dead zone is only one piece of a larger, environmental problem with U.S. agriculture and watershed issues, however. The gulf just happens to be one of the areas where effects of agricultural practices and pollution are more visible. These kind of problems, though, are far reaching, effect the whole country and are heavily tied to government and industry.
June 18, 2013 NOAA photo Less oxygen dissolved in the water is often referred to as a “dead zone” (in red above) because most marine life either dies, or, if they are mobile such as fish, leave the area. Habitats… Read More ›
Current Conditions recaps stories about the Merrimack River clean up, newly appointed Marine reserves, and the release of a rehabilitated California Sea Otter.