Thanks to zooplankton, the lake is clearest in 35 years.
To study the dramatic restructuring of Lake Tahoe’s food web, the Center’s research vessel counts the presence of three different populations: algae; the predatory shrimp, calledBosmina,In the past, the nighttime netting would capture 100 to 150 of the nocturnal shrimp, which rise to the surface of the lake in darkness.The lab is also monitoring lake clarity by measuring the depth to which a 10-inch white plate, called a Secchi disk, remains visible when lowered into the water.
The mountain-ringed lake, which straddles the Nevada/California border in the Sierra Nevada, has long been considered a natural wonder. Awed by its crystalline waters, writer Mark Twain proclaimed it “so singularly clear…that the boat seemed floating in the air. The water was not merely transparent, but dazzlingly, brilliantly so.” The lake owes its clarity to surrounding granite. Additionally, it has a relatively small watershed and is largely free of agricultural pollutants.
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More than 8,500 pounds of trash left on Lake Tahoe shores following 4th of July'There was no accident about it. People partied, trashed and left it like that,' said Colin West with Clean Up the Lake.
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More than 8,500 pounds of trash left on Lake Tahoe shores following 4th of July'There was no accident about it. People partied, trashed and left it like that,' said Colin West with Clean Up the Lake.
Weiterlesen »
More than 8,500 pounds of trash left on Lake Tahoe shores following 4th of July'There was no accident about it. People partied, trashed and left it like that,' said Colin West with Clean Up the Lake.
Weiterlesen »
More than 8,500 pounds of trash left on Lake Tahoe shores following 4th of July'There was no accident about it. People partied, trashed and left it like that,' said Colin West with Clean Up the Lake.
Weiterlesen »
More than 8,500 pounds of trash left on Lake Tahoe shores following 4th of July'There was no accident about it. People partied, trashed and left it like that,' said Colin West with Clean Up the Lake.
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Visitors to Lake Tahoe leave a record four tons of trash during Fourth of July celebrationsVolunteers joined forces to clean up the trash that was particularly heavily on Zephyr Shoals, one of the least-regulated areas along the shore.
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