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One Health Harmful Algal Bloom System (OHHABS)
Filetype[PDF-176.17 KB]

  • Alternative Title:
    OHHABS fact sheet
  • Description:
    What are harmful algal blooms? -- Why are HABs a public health issue? -- Why do we need HAB surveillance? -- What is the One Health Harmful Algal Bloom System? -- What is the difference between OHHABS and NORS? -- What can be reported in OHHABS? -- How Can I Start Reporting in OHHABS?

    Harmful algal blooms (HABs) occur when algae and cyanobacteria grow out of control in bodies of water. This overgrowth can produce toxins harmful to people and animals, or kill animals or plants in the water by severely depleting oxygen when they decompose. HABs most often occur in warm, nutrient-rich bodies of freshwater, marine water, or brackish water (salt and fresh water mixed together). Normally, algae are important organisms in oceans, rivers, and lakes because they are the building blocks of the food chain and ecosystem. When they grow out of control, however, they can harm people, animals, and the environment.

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