Written by Industry Expert Shannon Junior, Aquatic Ecologist and Senior Business Development Consultant
Starry stonewort (Nitellopsis
Now that the presence of starry stonewort has become more familiar to lake managers, it is actually quite easy to identify. The blooms appear more “raggedy” than other macroscopic algae
Starry stonewort is highly sensitive to algaecides and is fairly easy to control, although extensive, established blooms can be extremely difficult to treat and eradicate. Because the “meadows” of starry stonewort are so dense and spongy, it is problematic to achieve good contact with all of the biomass. There is also some evidence that there are convection currents caused by temperature gradients that form within the blooms, which produce an upwelling phenomenon that makes it difficult to get algaecide products down into the mats to achieve the necessary contact for successful treatment. Therefore, proactive management before a bloom becomes established is a more practical approach that yields improved efficacy.
Starry stonewort is an aggressive invasive species, and it is continuing to spread to a greater geographic footprint. Even if you live in an area where starry stonewort has not yet been identified, it is important to be familiar with the morphology and characteristics of the species so that you can be aware if it encroaches into your neck of the woods. How serious is the threat of starry stonewort? The Aquatic Plant Management Society along with the Northeast Aquatic Plant Management Society, the Midwest Aquatic Plant Management Society and private partners in 2017 are funding a
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Shannon Junior is an Aquatic Ecologist who serves as a Senior Business Development Consultant for northern Virginia, West Virginia, Maryland, western Pennsylvania and beyond. She has worked in the lake and pond management industry since 2000 and has extensive experience with Integrated Pest Management strategies for nuisance vegetation control.SOLitude Lake Management is committed to providing full service lake and pond management services that improve water quality, preserve natural resources, and reduce our environmental footprint. Our services include lake, pond and fisheries management programs, algae and aquatic weed control, mechanical harvesting, hydro-raking, installation and maintenance of fountains and aeration systems, water quality testing and restoration, bathymetry, lake vegetation studies, biological assessments, habitat assessments, invasive species management and nuisance wildlife management. Services, consulting and aquatic products are available to clients nationwide, including homeowners associations, multi-family and apartment communities, golf courses, commercial developments, ranches, private landowners, reservoirs, recreational and public lakes, municipalities, parks, and state and federal agencies. Learn more about SOLitude Lake Management and purchase products at www.solitudelakemanagement.com.