About 1,290,000 results
Open links in new tab
  1. See more
    See more
    See all on Wikipedia
    See more
    Wikipedia
    https://en.wikipedia.org/wiki/Recirculating...

    Recirculating aquaculture system - Wikipedia

    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. Other types of filtration and environmental control are often also necessary to maintain clean water and provide a suitable … See more

    RAS water treatment processes

    A series of treatment processes is utilized to maintain water quality in intensive fish farming operations. These steps are often done in order or sometimes in tandem. After leaving the vessel holding fish the water is first treated … See more

    Special types of RAS

    Aquaponics
    Combining plants and fish in a RAS is referred to as aquaponics. In this type of system ammonia produced by the fish is not only converted to nitrate but is also removed by the plants from the water. In an aquaponics … See more

    Overview image
    Advantages image
    Advantages

    • Reduced water requirements as compared to raceway or pond aquaculture systems.
    • Reduced land needs due to the high stocking density See more

    See also

    • Controlled-environment agriculture See more

    External links

    • Recirculating Aquaculture System Design Manual
    • Recirculating Aquaculture Considerations, Design, and Management
    • Engineering Design of a Water Reuse System See more

    From Wikipedia
    From Wikipedia
    Content
    RAS water treatment processes
    Advantages
    Special types of RAS
    See also
    External links
    See all sections
    Wikipedia text under CC-BY-SA license
    Feedback
  2. ASC International
    https://asc-aqua.org/blog/explained-what-is-ras-aquaculture

    Explained: What is RAS Aquaculture? - ASC International

  4. ScienceDirect
    https://www.sciencedirect.com/science/article/pii/S0959652621008246

    Recirculating aquaculture systems (RAS): Environmental solution …

  5. asc-aqua.org
    https://us.asc-aqua.org/2021/05/24/expl…

    Explained: What is RAS Aquaculture? - ASC North …

    May 24, 2021 · RAS stands for Recirculating Aquaculture Systems, a closed and land-based way of farming fish. Learn how RAS differs from other methods, what are its advantages and drawbacks, and how ASC adapts its standards to …

  6. People also ask
    What is Ras in aquaculture?
    RAS generally includes aquaculture unit for breeding of aquatic products and water treatment unit containing filtration devices for removing particulate matter (feces, residual feed), biological reactors to remove nitrogen, phosphorus, and other pollutants in water, oxygenation equipment, and sterilization devices.

    A review of influencing factors on a recirculating aquaculture system

    onlinelibrary.wiley.com
    Is Ras a viable form of intensive aquaculture?
    The main benefit of RAS is the ability to reduce the need for fresh, clean water while still maintaining a healthy environment for fish. To be operated economically commercial RAS must have high fish stocking densities, and many researchers are currently conducting studies to determine if RAS is a viable form of intensive aquaculture. [ 3 ]

    Recirculating aquaculture system - Wikipedia

    en.wikipedia.org
    Can Ras reduce environmental impacts from aquaculture waste?
    According to Pedersen et al. (2008), RAS has the potential of reducing environmental impacts from aquaculture waste when compared with flow through systems. RAS removes solid wastes through sedimentation and screen filters (Ebeling & Timmons, 2012).

    Recirculating Aquaculture Systems - an overview - ScienceDirect

    sciencedirect.com
    What is the potential of Ras in aquacultu re sector?
    Recent advancement in RAS such as minimal use of water, waste discharge and energy use. With greater knowledge about the potential to bring revo lution in aquacultu re sector. harvested (FAO, 2018). It is predicted that by 2030 an to maintain the current per capita consumption. In order to people.

    A REVIEW ON RECIRCULATING AQUACULTURE SYSTEMS: CHALLENGES …

    researchgate.net
    What is a Ras farm?
    As you may have guessed from the name, they are sealed off from the environment and replace the natural flow of water in a sea or a lake with a water filtration and recirculation system. As a result, they can be placed on land – and if so they might be referred to as land-based farms. RAS farms can be sited on land (but aren’t always)

    Explained: What is RAS Aquaculture? - ASC International

    asc-aqua.org
    Can Ras reduce bycatch in aquaculture?
    Although aquaculture is often dependent on wild-caught fry (e.g., cod, eel, grouper, milkfish, shrimp, and tuna) with high levels of bycatch (Lovatelli and Holthus, 2008; Naylor et al., 2000), RAS may contribute to reduce this occurrence, due to the possibility of developing hatchery operations for seed production.

    Recirculating aquaculture systems (RAS): Environmental solution and

    sciencedirect.com
    Feedback
  7. salmononland.org
    https://salmononland.org/salmon-ras

    What is RAS? - Land-based Aquaculture for Atlantic …

    Recirculating aquaculture systems (RAS) are a type of land-based aquaculture production platform utilized to raise a variety of aquaculture species, including Atlantic salmon, in a highly controlled environment.

  8. Wikifarmer
    https://wikifarmer.com/introduction-to-ras-re...

    Introduction to RAS (Recirculating Aquaculture Systems)

  9. Springer
    https://link.springer.com/chapter/10.100…

    Recirculating Aquaculture Technologies | SpringerLink

    Jun 22, 2019 · Learn about the history, water quality control processes, new developments and challenges of recirculating aquaculture systems (RAS) from this open access chapter. RAS are intensive fish production systems that use …

  10. ScienceDirect
    https://www.sciencedirect.com/.../recirculating-aquaculture-systems

    Recirculating Aquaculture Systems - an overview - ScienceDirect

  11. Wiley Online Library
    https://onlinelibrary.wiley.com/doi/full/10.1111/jwas.12976

    A review of influencing factors on a recirculating aquaculture …

  12. ResearchGate
    https://www.researchgate.net/publication/34…

    A REVIEW ON RECIRCULATING AQUACULTURE …

    Jan 1, 2020 · Recirculatory Aquaculture System (RAS) allows increasing the fish production by many folds using limited resources. Water conservation, biosecurity and high production are key features of...