The Minnesota waterfowl-hunting season opened Sept. 23, and ducks should have been enjoying a smorgasbord, because aquatic plants were extra-abundant in lakes and ponds this summer.
A number of factors contributed to impressive aquatic plant growth, including low lake water levels, June heat, and clear water. Sunlight penetration and heat are perfect ingredients for promoting plant growth. Several abundant aquatic plants observed in plant surveys I conducted this year were water celery, sago pondweed, and water stargrass.
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