It’s Easier Being Green Than Blue-green.

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Algae Bloom Advisory
Blue-Green Algae Advisory | www.dnrec.delaware.gov

Kermit the frog sang the song “It isn’t easy being green” lamenting the troubles of being a frog. The blue-green I am referring to is blue-green algae. What is it and why should you care? First things first. According to Dictionary.com “algae are any of numerous groups of chlorophyll-containing, mainly aquatic eukaryotic organisms ranging from microscopic single-celled forms to multicellular forms 100 feet (30 meters) or more long, distinguished from plants by the absence of true roots, stems, and leaves and by a lack of nonreproductive cells in the reproductive structures: classified into six phyla Euglenophyta, Crysophyta, Pyrrophyta, Chlorophyta, Phaeophyta, and Rhodophyta. Blue-green algae are defined as “a widely distributed group of predominantly photosynthetic prokaryotic organisms of the subkingdom Cyanophyta, resembling phototrophic bacteria, occurring singly or in colonies in diverse habitats: some species can fix atmospheric nitrogen.” it is also called Cyanobacteria.

The Oregon Health Authority gives a much simpler definition of algae for those of us who aren’t plant biologists. They say “algae are microscopic plants that grow naturally in oceans and fresh water. Under certain conditions, some algae can grow into a large visible mass called a bloom.” The blue-green is one of the algae that produces toxins (poisons) that can cause serious illness or death in humans and even pets, wildlife, and livestock.

Blue-green Algae Waves
Algae Waves | Photo by globalnews.ca

What does an algae bloom look like? Scientists describe blooms as looking like a scum or foam on the surface of the water that can appear in various colors such as white, brown, green, or in this case blue-green. Don’t let that fool you though because you can’t tell whether what appears to be an algae bloom is toxic or not just by looking at it. The water has to be tested to be sure. If the surface of a pond, lake, or reservoir looks suspicious to you (doesn’t aways look as green as the picture above) it’s better to stay out of direct contact with the water.

You might remember that last summer there were some blue-green algae advisories throughout Western Oregon which included Walterville Pond, Dorena Reservoir, Dexter Reservoir, and Tenmile Lake in Coos County. The one issued for Dexter Reservoir could not have come at a worse time considering it was issued July 3rd. just one day before crowds of people gathered along the shore for a 4th of July celebration with entertainment, food, and fireworks sponsored by the Dexter Volunteer Fire Department and the Lowell Volunteer Fire Department in conjunction with Eugene Daily News.

2013 Swimming At Dexter Reservoir | Photo by Tim Chuey
2013 Swimming At Dexter Reservoir | Photo by Tim Chuey

Despite the advisory some folks did go into the water and I know I saw a couple of dogs frolicking and splashing near the shore. I don’t know if anyone got sick, but they were taking an unnecessary risk. Being near the water or even boating, as long as you don’t get a heavy spray of water hitting the boaters, is not a problem. You must have direct contact with contaminated water. “Skin irritation or rash is the most commonly reported health effect. Other symptoms range from diarrhea, cramps and vomiting to fainting, numbness, dizziness, tingling and paralysis. The most severe reactions occur when large amounts of water are swallowed. The chronic effects of long-term exposure to algae toxins are being studied.”

If you enjoy a picnic, camping, or boating near area lakes and reservoirs you should make sure the water is not going to harm you, your family, or your pets. I will post the advisories when they are issued within the “Advisories” section of my weather forecasts here on EDN, but if you would like to be notified personally when algae bloom advisories are issued just email your request to [email protected] and they may be able to put you on their email advisory list.

July 4th poster
July 4th At Dexter | Image EDN

Just remember that these blooms should not interfere with your summer outdoor activities as long as you pay attention to the advisories. Speaking of summer fun EDN is involved in a big 4th of July celebration again for the third year in a row at Dexter Reservoir. This year’s celebration is presented by the Dexter Volunteer Fire Fighters Association and EDN with the following sponsor partners: Furrer Farms, Creswell Bakery, McKenzie Mist, The Steel Pail, Bigfoot Distributing, Guardian Event Security, Office Depot, Kingsford, M.L. Trucking and Peterson Cat.It will be my pleasure to be your Master of Ceremonies again for this day of sun, fun, food, music and fireworks. Just take a look at the poster to the right and you’ll see all of the great bands that will be entertaining all day long. A great day for the whole family. Please come join us.

Let me know what you would like me to talk about or explain. You can comment below or email me at: [email protected].

Tim Chuey is a Member of the American Meteorological Society and the National Weather Association and has been Awarded Seals of Approval for television weathercasting from both organizations.

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