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Aquatic plant and algae control

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Title: Aquatic plant and algae control
Author: Ontario Ministry of the Environment; Ontario Ministry of Natural Resources
Abstract: Aquatic plants are a natural part of a healthy aquatic ecosystem. They will crow wherever adequate sunlight and suitable nutrients and water quality conditions exist. Aquatic plants are beneficial. They augment natural dissolved oxygen levels, bind available nutrients, and provide food and habitat for many aquatic organisms. For example, many fish species use aquatic plants as spawning, nursery and feeding areas and consequently, aquatic plants comprise an important component of fish habitat. Aquatic plants camouflage nesting sites and provide protective cover for waterfowl, fish, amphibians, reptiles and other marsh dwellers. Additionally, their seeds and tubers provide a source of food for waterfowl and other herbivores. In excessive amounts, however, aquatic vegetation can have a detrimental effect on the ecosystem. Algal "blooms" and dense submerged plant communities can create such large daily fluctuations in the dissolved oxygen levels in the water that fish may die of suffocation. Certain blue-green algal blooms, capable of producing potent toxins, may also pose a health hazard to humans and other animals drinking the water. In addition, excessive aquatic vegetation can spoil the appearance of the water as well as interfere with its intended uses (e.g., swimming, boating, fish rearing, fire protection, crop irrigation, livestock watering, etc.).
URI: http://hdl.handle.net/10214/15494
Date: 1989
Rights: Queen's Printer for Ontario, Crown Copyright, Non-Commercial Use Permitted
Rights Holder: Queen's Printer for Ontario


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