Why is there so much algae in the lake?

By TY BEAVER
H&N Staff Writer

October 21, 2008

Upper Klamath Lake is a naturally shallow, freshwater lake with high amounts of organic matter, according to a document from the U.S. Geological Survey.

The lake’s shallow depth makes it easier for the water to warm to the best temperature for algal growth. The addition of the Basin’s abundant sunlight and the lake’s large resource of nutrients lead to abundant blooms.

In recent years, those blooms have become larger and more prevalent, impacting the lake’s water quality.

Blooms in warmer months

The algae (Aphanizomenon flos-aquae, or AFA) blooms in the warmer months in Upper Klamath Lake, giving the lake and river water a decidedly green hue. The blooms are harvested by the companies with barges and taken to facilities to be dried and processed into a variety of products.

Compounds in the algae are what provide benefits, companies say. Jerry Anderson, executive vice president of Simplexity Health, formerly known as Cell Tech, cites its antioxidant and immunity benefits. Bob Longo, an executive vice president of Desert Lake Technologies, says it has use as an anti-inflammatory. Many claim it can boost a person’s energy levels and mental clarity.

Longo says that while the product was improperly termed a “miracle drug” at the height of its popularity, there is now a demand for it as a “maintenance drug,” much like vitamin or herbal supplements such as echinacea.

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