fish weighing News

  • Plastic debris in the Danube outnumbers fish larvae

    Plastic debris in the Danube outnumbers fish larvae Pieces of plastic litter outnumber fish larvae in the Austrian Danube River, new research has found. This is worrying, as some fish are likely to mistake the plastic for the prey they would normally feed on. This litter may also contribute to marine pollution; the researchers estimated that at least 4.2 tonnes of plastic debris enter the Black ...

  • Jellyfish infestations caused by human activities

    A huge rise in jellyfish populations around the world appears to be caused by human activities, according to recent research. Early action is essential to prevent marine ecosystems from changing to unhealthy states that favour destructive jellyfish blooms. Although large numbers of jellyfish can occur in healthy marine ecosystems, destructive jellyfish blooms are being observed more frequently in ...

  • Herring organs damaged by acidified seawater

    Ocean acidification could damage the organs of Atlantic herring, as well as slow their growth and development, recent experiments show. It adds to the list of pressures currently threatening this commercially important species, including over-fishing and marine pollution. Our oceans are changing as high levels of atmospheric CO2 dissolve into seawater and lower its pH to become more acidic. The ...

  • Mercury conference confronts contentious topics

    One of the panel sessions at the ‘Mercury 2013’ International Conference in Edinburgh (28th July – 2nd Aug) “will be highly contentious and should result in a heated debate,” says Prof. K. Clive Thompson who will be chairing the session with Eric Uram from SafeMinds. Taking place on Tuesday 30th July at the Edinburgh International Conference Centre, the panel session ...

  • New Skretting concept boosts marine hatchery efficiency and flexibility

    Artemia, known also as brine shrimp, are tiny crustaceans that are widely used as a live diet in the early stages of aquaculture production. Despite this application,Artemiado not naturally contain the highly unsaturated fatty acids DHA and EPA that are essential to marine fish growth and development. Because hatcheries typically want a DHA-EPA ratio of 2:1 in theirArtemia, they subject it to an ...


    By Skretting - Nutreco Group

  • Managing water and human activities together

    River basins, lakes, floodplains and marshes often span political and administrative boundaries. This creates challenges in the management of Europe's water resources, according to a report from the European Environment Agency (EEA), which recommends better integration of coordinated spatial planning and water management. The report, ...

  • Engineered salmon may be a tough sell

    Don't expect to find genetically modified salmon - or any other engineered fish or meat - on store shelves anytime soon. The Obama administration has stalled for more than four years on deciding whether to approve a fast-growing salmon that would be the first genetically modified animal approved for human consumption. During that time, opponents of the technology have taken advantage of ...


    By Associated Press

  • Îles-de-la-Madeleine lobster fishery in Canada achieves MSC certification

    The Îles-de-la-Madeleine lobster (Homarus americanus) trap fishery was certified following an independent assessment conducted by SAI Global to the Marine Stewardship Council (MSC) standard for sustainable, well-managed fisheries. The fishery is located ...

  • California Farm Water Users Ask Court to Block Water Releases to Protect Salmon

    Agricultural water districts in California's Central Valley have asked a federal court to halt increased flows in the lower Klamath River to protect the seasonal run of Chinook salmon. Filed Aug. 25 in the U.S. District Court for the Eastern District of California, the ...


    By Bloomberg BNA

  • Drones on the Farm: What Are the Laws?

     – popularity, before you launch a drone over your crops to gauge field conditions, be aware that doing so could result in a hefty fine from the Federal Aviation Administration. So says Peggy Hall, assistant professor and Ohio State University Extension field specialist in agricultural and resource law. Hall said that while the technology is available for farmers and growers to utilize ...


    By Ohio State University

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