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  2. Eutrophication - Wikipedia

    en.wikipedia.org/wiki/Eutrophication

    Eutrophication is a general term describing a process in which nutrients accumulate in a body of water, resulting in an increased growth of organisms that may deplete the oxygen in the water. [ 1 ] [ 2 ] Eutrophication may occur naturally or as a result of human actions.

  3. Trophic state index - Wikipedia

    en.wikipedia.org/wiki/Trophic_state_index

    The algae engage in photosynthesis which supplies oxygen to the fish and biota which inhabit these waters. Occasionally, an excessive algal bloom will occur and can ultimately result in fish death, due to respiration by algae and bottom-living bacteria. The process of eutrophication can occur naturally and by human impact on the environment.

  4. Nutrient pollution - Wikipedia

    en.wikipedia.org/wiki/Nutrient_pollution

    Nutrient pollution, a form of water pollution, refers to contamination by excessive inputs of nutrients.It is a primary cause of eutrophication of surface waters (lakes, rivers and coastal waters), in which excess nutrients, usually nitrogen or phosphorus, stimulate algal growth. [1]

  5. Nitrogen cycle - Wikipedia

    en.wikipedia.org/wiki/Nitrogen_cycle

    Nitrogen has contributed to severe eutrophication problems in some water bodies. Since 2006, the application of nitrogen fertilizer has been increasingly controlled in Britain and the United States. This is occurring along the same lines as control of phosphorus fertilizer, restriction of which is normally considered essential to the recovery ...

  6. The best personalized Valentine's Day gifts are a great way to show the special people in your life how much you love and appreciate them.

  7. Environmental hazard - Wikipedia

    en.wikipedia.org/wiki/Environmental_hazard

    The four-step risk assessment process. Environmental hazard identification is the first step in environmental risk assessment, which is the process of assessing the likelihood, or risk, of adverse effects resulting from a given environmental stressor. [6]

  8. Shiffrin says sharing gold with childhood friend Johnson ...

    www.aol.com/us-skier-lauren-macuga-wins...

    SAALBACH-HINTERGLEMM, Austria (AP) — Born 10 months apart, Mikaela Shiffrin and Breezy Johnson have known each other since they were placed in the same room at a junior race when they were 11.

  9. Mexico sends firefighters to California to help with raging ...

    www.aol.com/news/mexico-sends-firefighters...

    Mexico sent a team of firefighters to California on Saturday to help teams battling the raging wildfires that have devastated parts of Los Angeles. "The humanitarian aid group is leaving for Los ...