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Algae

We collected some algal specimens from our lake on March 17, 2024. We sent samples to Linda Bacon, Head Lakes Biologist for the Maine DEP, for verification and will update this page if the species is not as listed here. The sections looked like bits of carpet or cardboard, covered in green algae. Some were floating, and others were lying curled up on the sediment. Cardboard-like piece of algae on lake floor  Photo: Dale Schultz Floating segment, overturned Submerged segment  The presence of algae in a lake does not mean it's a 'bloom' or a nuisance - they are an integral part of the lake ecosystem, and together with phytoplankton, are the basis of the aquatic food web (Algal Blooms) . Algae 'green-up' earlier in spring than vascular plants, since they can photosynthesize in much lower light levels (see January 2023 photo below of woodland pond with algal growth).  Incomplete ice cover this past winter (climate change) has most likely contributed to algae's early

Lake Team

Ice In or Out?

Floating Islands

Plant Responses to ProcellaCOR

2023 ProcellaCOR Application

Macroalgae

Unwelcome Plant

Eriocaulon aquaticum

Arowhead's Arrowheads

Plant Response to Herbicide

2023 Aquastrike application DEP notice

Herbicide treatment of invasives in Lake Arrowhead