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Is Algae a sign of an unhealthy Lake?

Algae are simple, typically small aquatic organisms. They range in structure from unicellular (a single cell that is microscopic) to multicellular and some form colonies that are visible to the naked eye.

Algae can be found attached to various substrates (as periphyton) or free-floating in lakes and rivers (as phytoplankton). Algae form the base of most lake food webs and are valuable and critical components of a healthy aquatic environment. Algae are always present in lakes and rivers.

When conditions are favorable, certain populations of algae can increase to levels that result in poor water quality and an algal bloom or scum may form.

Bloom-forming conditions often include:

  • sufficiently high levels of nutrients (phosphorus and, to a lesser extent, nitrogen) in the water or sediments
  • calm weather
  • strong sunlight
  • high air & surface water temperatures

Mistaken Identity Algal bloom or something else?

Pollen In the spring and early summer, pollen can collect on the surface of the water in a greenish-yellow hue, looking somewhat similar to blue-green algae. It usually appears dust-like and floats mainly on the surface, but can also form clumps. Over time, the pollen will become waterlogged and sink from sight.

Duckweed There are several small floating plants, such as duckweed, that can make slow-moving water appear bright green. Duckweed is a small (2-5 cm long), disc-like plant with short hair-like roots on the underside. It can form a thick, green blanket on the water surface, looking similar to an algal bloom.


More common questions related to the topic: Environmental

What is meant by an "Over threshold Lake" and what are the consequences applicable in Muskoka?



REALTOR's & Staff

Oliver Reprich REALTOR and broker of record for Bracebridge Realty brokerage in the heart of Muskoka

Oliver Reprich

broker of record
705-641-9524
Oliver@BracebridgeRealty.ca
Marion Wentzel-Reprich REALTOR with Bracebridge Realty in Muskoka

Marion Wentzel-Reprich

Broker
705-641-8227
Marion@BracebridgeRealty.ca
Marion Wentzel-Reprich REALTOR with Bracebridge Realty in Muskoka

Lea Reprich

Office Manager
705-641-8227
Lea@BracebridgeRealty.ca

Bracebridge Realty

Oliver Reprich is the broker of record of Bracebridge Realty brokerage, based in Bracebridge which is the Heart of Muskoka.

Our area of expertise are waterfront properties and cottages in Muskoka, Parry Sound and Haliburton

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