It’s a familiar sight to residents living on the shores of Kitsap Lake in Washington: each summer, around the beginning of June, a bright green algae begins to creep across the water. These blooms can be harmful to people and pets and have forced closures of Kitsap Lake and its beaches every year for the
Each year, the St. Albans Area Watershed Association uses mechanical harvesters to cut and remove tons of unwanted plant material out of St. Albans Bay. The harvesters scooped up almost 90,000 bushels of plants in 2020 alone. The aquatic weed harvesters are used for establishing things like navigation lanes and clearing out areas of varied
The Massachusetts’s Department of Conservation and Recreation is aiming to reduce invasive plant species in Lake Whitehall in a plan that calls for herbicides and mechanical harvesting. The reservoir has extensive growth of “exotic nuisance aquatic vegetation,” including fanwort and variable-leaf milfoil, according to a report by ESS Group, a firmed hired by the state.
Floating weed harvesters have opened passages through Dane County Wisconsin’s dense tangles of underwater plants for about 50 years. The barges wield rotating cutting bars like those on farm combines to cut a submerged crop that is fertilized too well by runoff of nutrients like dairy manure. Each spring, the county launches a flotilla of