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  2. Ammonia poisoning - Wikipedia

    en.wikipedia.org/wiki/Ammonia_poisoning

    A build-up of ammonia in the fish tank leads to ammonia poisoning. Species of ammonia-oxidizing bacteria (AOB) can break down the ammonia and convert it to other, less toxic, nitrogen products. Two examples of AOB are Nitrosospira and Nitrosomonas. [2] The amount of ammonia present is usually accompanied by a rise in pH. As ammonia is a base ...

  3. Recirculating aquaculture system - Wikipedia

    en.wikipedia.org/wiki/Recirculating_aquaculture...

    Recirculating aquaculture systems (RAS) are used in home aquaria and for fish production where water exchange is limited and the use of biofiltration is required to reduce ammonia toxicity. [1] Other types of filtration and environmental control are often also necessary to maintain clean water and provide a suitable habitat for fish. [ 2 ]

  4. Ammonia - Wikipedia

    en.wikipedia.org/wiki/Ammonia

    Ammonia occurs in nature and has been detected in the interstellar medium. In many countries, it is classified as an extremely hazardous substance. [15] Ammonia is produced biologically in a process called nitrogen fixation, but even more is generated industrially by the Haber process. The process helped revolutionize agriculture by providing ...

  5. Nitrification - Wikipedia

    en.wikipedia.org/wiki/Nitrification

    Nitrification is an important step in the nitrogen cycle in soil. The process of complete nitrification may occur through separate organisms [1] or entirely within one organism, as in comammox bacteria. The transformation of ammonia to nitrite is usually the rate limiting step of nitrification.

  6. Aquaponics - Wikipedia

    en.wikipedia.org/wiki/Aquaponics

    Aquaponics is a food production system that couples aquaculture (raising aquatic animals such as fish, crayfish, snails or prawns in tanks) with hydroponics (cultivating plants in water) whereby the nutrient-rich aquaculture water is fed to hydroponically grown plants.

  7. Live coverage: Senate sends bill to avert shutdown to Biden’s ...

    www.aol.com/live-coverage-shutdown-looms-johnson...

    The Senate has sent a stopgap government funding bill to President Biden’s desk, averting a shutdown. The bill passed the House earlier in the day, wrapping up a whirlwind week on Capitol Hill ...

  8. Ammonia pollution - Wikipedia

    en.wikipedia.org/wiki/Ammonia_pollution

    Ammonia is toxic to aquatic life which leads to increased amounts of fish deaths. [6] Ammonia pollution also leads to eutrophication. Eutrophication is the growth of algae that kills other aquatic life and creates dead zones. Ammonia pollution affects freshwater and salt water ecosystems differently due to physical and chemical differences.

  9. Holiday Stress & Anxiety: 6 Ways to Cope

    www.aol.com/lifestyle/holiday-stress-anxiety-6...

    The Effects of Holiday Stress. When you’re stressed, your body automatically shifts into ”fight-or-flight” mode.This is your body’s natural response to a perceived threat or major stressor ...

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