Massive Algae Bloom on Lake Erie

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.

“Whole Ecosystem Change” in Pacific Ocean

“This El Nino is building up to be quite a doozy, but we also have a series of other changes going on,” said Steve Palumbi, director of the Hopkins Marine Station at Stanford University. “We are having changes in wind patterns, changes in upwellings along the coast. It’s like your whole basic ecosystem is being shifted around in different ways.”

Yellow Sea Turns Green

It’s become an annual affair, the rafts of green algae washing up on the shores of Qingdao, China. Since 2007, massive algae blooms in the Yellow Sea have been fueled, scientists think, by “pollution and increased seaweed farming” south of Qingdao. The mats… Read More ›