CyanoAlert – Lake Erie on “Death Watch”

1 September 2011

Algal warning (Source: CBS)

Here’s a little video clip explaining the dangers of swimming in some Oklahomalakes while they have cyanobacteria in them.   A busy USA holiday weekend is upon us, and authorities report finding more dangerous Blue-Green Algae.   The U.S. Army Corps of Engineers says tests revealed algae that’s generally found several feet below the surface and hard to spot. They’ve closed off Lake Texoma to human contact. The algae are still present in Green Country lakes too.  Advisories also have been issued for portions of Skiatook, Eufaula, Keystone, Waurika, Tenkiller, and Fort Gibson lakes.

We have known about, and CyanoAlert has blogged about, cyanobacteria producing oestrogen-like symptoms.  Here’s more confirmation: University of Tennessee, Knoxville, researchers have found that blue-green algae may be responsible for producing an estrogen-like compound in the environment which could disrupt the normal activity of reproductive hormones and adversely affect fish, plants and human health. Previously, human activities were thought solely responsible for producing these impacts.

Water lovers now can head to Hillsdale Lake without having to worry about the effects of blue-green algae.  The Kansas Department of Health and Environment and the U.S. Army Corps of Engineers issued an advisory in late July discouraging people from having prolonged contact with the water at Hillsdale Lake because of the harmful algae.  It was announced last week that the advisory has been lifted, although a warning is still in effect for Milford Lake in Clay, Geary and Dickinson counties.

After a decades-long absence, blue-green algae is again flourishing in Lake Erie – and it’s never been worse than it is this summer. The algal infestation is just one of many factors that biologists in Ohio, Michigan, and elsewhere say are pointing toward an ecosystem in danger of collapse.  On the upside, In the next few days, a new 70-foot research vessel will be keeping tabs on the health of Lake Erie’s economically important fishery.  Officials yesterday christened two identical research ships commissioned by the U.S. Geological Survey. They were built under an $8.2 million contract in Cleveland and funded with federal stimulus dollars. One will travel Lake Erie, the other Lake Ontario.

Here’s a lake that CyanoAlert has not reported on before: Some long-time residents of Lake Berryessa (Napa Valley) are reporting a thick, green slime littering the lake’s northern shore, an occurrence that they say is unlike any in recent memory.

Heavy spring rains washed away chances for a successful alum study on Grand Lake this year.  A lot of money has been spent on a control option that is always doubtful at best.

Leave a Reply

Your email address will not be published. Required fields are marked *