Europe’s exhausted oyster reefs ‘once covered area size of Northern Ireland’

Study uncovers vivid and poignant accounts of reefs as high as houses off countries including UK, France and Ireland

Only a handful of natural oyster reefs measuring at most a few square metres cling on precariously along European coasts after being wiped out by overfishing, dredging and pollution.

A study led by British scientists has discovered how extensive they once were, with reefs as high as a house covering at least 1.7m hectares (4.2m acres) from Norway to the Mediterranean, an area larger than Northern Ireland.

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Arctic tern and common gull join red list of UK species in crisis

Seabirds are in a precarious position as their breeding areas are threatened by climate breakdown and overfishing

Five seabirds have been added to the UK’s conservation red list, meaning they are at dire risk of local extinction.

The government has been urged to act as the arctic tern, Leach’s storm petrel, common gull, great skua and great black-backed gull join other seabird species such as the puffin on the list after severe population declines.

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Minister seeks legal settlement in case of South Africa’s imperilled penguins

Dion George says avoiding extinction of African penguin is his objective, and settling case aimed at stopping fishing around major colonies will help

South Africa’s new environment minister has said he wants to stop African penguins from going extinct by taking measures including settling a case brought by two environmental charities to stop fishing around the birds’ major colonies.

BirdLife South Africa and the Southern African Foundation for the Conservation of Coastal Birds (SANCOB) said they want an extension of no-fishing zones around six beaches and islands where the penguins breed, after failing to reach an agreement with fishing industry groups demanded by the previous minister.

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‘Butchered so barbarically’: heartbreak turns to anger about killing of rays at popular Sydney diving spot

Divers demand end to fishing of rays after mutilated carcasses discovered at Chowder Bay on Sydney’s north shore

Jayne Jenkins found the sandy floor of Chowder Bay on Sydney Harbour a mess of fishing lines, hooks and ray carcass, last Saturday morning.

Fins had been chopped from two bull rays, the diver told Guardian Australia. One had a big split across its head – Jenkins identified it as Stumpy, a well known ray that had its tail chopped off in previous years.

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Couple finds safe stuffed with $100,000 cash while magnet fishing in New York

James Kane and Barbie Agostini pull up safe in Queens park with bundles of $100 bills inside and are told by police they can keep it

A New York City couple who were “magnet fishing” in a lake caught more than they had bargained for when they pulled out a safe that had $100,000 cash inside.

James Kane and Barbie Agostini tossed a line with a strong magnet attached to the end into a lake in Flushing Meadows Corona Park in Queens on 31 May, Friday afternoon.

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Threatened species and chips? Other fish frequently sold as flake, Australian study finds

Scalloped hammerhead and greeneye spurdog among at-risk shark discovered in genetic testing of fillets

One in 10 fillets of shark meat bought by Australians at fish and chip shops and markets – often labelled as flake – is from a threatened species, according to a study that has uncovered widespread mislabelling of shark sold to the public.

Nine of 91 fillets were found to be either scalloped hammerhead, greeneye spurdog or school shark – all considered threatened in Australia – after scientists at Macquarie University used DNA analysis to check what they were sold.

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Greece becomes first European country to ban bottom trawling in marine parks

The law will come into force in national parks within two years and in all of the country’s marine protected areas by 2030

Greece has become the first country in Europe to announce a ban on bottom trawling in all of its national marine parks and protected areas.

The country said will spend €780m (£666m) to protect its “diverse and unique marine ecosystems”.

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Canada: Indigenous fishermen left to walk shoeless after officers seized boots

Justin Trudeau says allegations ‘extremely troubling’ after officers arrested First Nations men and confiscated their boots and phones

Two First Nations fishermen have said they were forced to walk shoeless for hours in the dark and cold after Canadian federal officers seized their boots and phones.

The prime minister, Justin Trudeau, said the allegations were “extremely troubling” amid mounting anger over the treatment of the Mi’kmaw fishermen, whose ordeal has prompted comparisons with the notorious “starlight tours” in which the police routinely abandoned Indigenous people in the bitter cold.

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‘Unacceptable greenwashing’: Scottish farmed salmon should not be labelled organic, say charities

Open letter calls for Soil Association certification to be removed from industry, amid concerns of negative environmental impact

The British body that certifies food in the UK as organic has been accused of misleading consumers over its labelling of Scottish farmed salmon.

Thirty charities, conservation and community organisations, including WildFish, the Pesticide Action Network and Blue Marine Foundation, say the negative environmental impacts of the industry in Scotland “run completely counter” to the principles of the Soil Association’s promotion of healthy, humane and sustainable food.

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More than 100 ice fishers rescued from ice floe in Minnesota

An ice chunk broke loose from shore, stranding 122 winter anglers 30ft from shore until first responders were able to evacuate them

More than 100 people stranded while fishing on an ice chunk that broke free on a Minnesota lake were rescued on Friday, authorities said.

The anglers were on an ice floe in the south-eastern area of Upper Red Lake in Beltrami county – about 200 miles (322km) north-west of Minneapolis – when it broke loose from the shoreline.

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‘I’ve never seen anything like this’: Japan says reason behind 1,200 tonnes of fish washing ashore is unknown

The sardines and mackerel were found floating on the surface of the sea near the fishing port of Hakodate in Hokkaido

Officials in Japan have admitted they are struggling to determine why hundreds of tonnes of fish have washed ashore in recent days.

Earlier this month, an estimated 1,200 tonnes of sardines and mackerel were found floating on the surface of the sea off the fishing port of Hakodate in Hokkaido, forming a silver blanket stretching for more than a kilometre.

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Scampi scam? UK retailers accused of misleading claims on environmental impact

Five-year project to reduce environmental impact of industry has ‘all but failed’, report finds

British retailers and seafood companies have been accused of making misleading claims over “responsibly sourced” scampi or langoustines, according to campaigners, who say a five-year project to reduce the environmental impact of the £68m industry appears to be failing.

The companies, including Tesco, Sainsbury’s, Morrisons, Waitrose, Young’s and Whitby Seafoods – the last of which is currently the largest supplier of breaded scampi to UK pubs, restaurants and fish and chip shops – are all part of a fishery improvement project (FIP) aimed at making the UK langoustine industry more sustainable.

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‘It’s a poor product ’: leading UK chefs join campaign to cast farmed salmon off menu

Ethical concerns over sustainability and welfare have seen venues offering new choices to ubiquitous ‘chicken of the sea’

Salmon has undergone a rapid transformation in recent decades. Once a special treat, it is now ubiquitous. From drinks reception canapés to wedding functions, Christmas smoked salmon or simply wrapped in foil and baked on a week night, salmon is everywhere.

Scotland is world renowned for salmon production, and the fish makes up 40% of its total food exports; it is also Britain’s most valuable food export. Healthy, low in saturated fats and high in omega-3, salmon is a success story.

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Politicians, not public, drive U-turns on green agenda, says UN biodiversity chief

People are ahead of governments, says David Cooper, who blames backtracking on parties seeking ‘wedge issues’ for electoral gain

Government backtracking on environmental promises is being driven by politicians and vested interests, not the public, the acting UN biodiversity chief has said, as he called for greater support for those experiencing short-term costs from green policies.

David Cooper, acting executive secretary for the UN convention on biological diversity (CBD), told the Guardian he believed the public mood was not moving against greater environmental protections, and that vested interests opposed to action on the climate crisis and nature loss were trying to frustrate progress.

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‘They won’t buy it’: fish traders anxious after Fukushima wastewater release

The release of water from the Japanese nuclear plant has already caused the price of produce from surrounding coastal areas to drop

Awa-jinja is a place of pilgrimage for the more superstitious fishers of Shinchi-machi, a coastal town in Fukushima, who come here to lower their heads and ask the Shinto gods to look kindly on them as they prepare to steer their boats into the vast Pacific Ocean.

Today, though, the “safe waves” implicit in the shrine’s name are of little concern to the men and women coming to the end of the working day at the town’s fishing port.

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Global calls to revoke ‘misleading’ sustainable farming certification for salmon in Tasmania’s Macquarie Harbour

Letters sent to two accreditation schemes say pollution is contributing to the extinction of a critically endangered fish species

More than 80 organisations around the globe have called for two international accreditation schemes to revoke sustainability certifications for salmon and trout farmed in Tasmania’s Macquarie Harbour, with letters labelling the certification “misleading”.

The letters to the Best Aquaculture Practices (Bap) and GlobalG.A.P schemes come as federal and state government workshops are held in Hobart to determine what urgent action is necessary to prevent the extinction of the critically endangered Maugean skate, an ancient fish species found only in Macquarie Harbour on Tasmania’s west coast.

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‘We depend on our beautiful reefs’: Fukushima water release plan sparks concern across Pacific

Some fishers say they lack information and worry about Japan’s plan to discharge treated wastewater into the sea

Every day fisher Charlie Maleb takes his string lines and his nets out from Wala Island, Vanuatu, into the Pacific Ocean.

The 54-year-old drops his net around 5am and waits an hour before pulling it out, hoping to catch sardines, poulet and mangrove fish. Later in the day Maleb drops a line attached to a traditional fishing rod, fashioned out of a long tree branch.

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Massive strike pits African fishers against ‘superprofitable’ EU firms

About 2,000 crew members withdrew labour over pay and conditions, as well as citing serious breaches of overfishing rules by Spanish and French companies

The waters of west Africa and the Indian Ocean boast some of the world’s largest, healthiest populations of tropical tuna, and that makes them havens for industrial tuna fishing fleets, owned by countries vastly richer than the nations whose borders form these coastlines.

In order to protect the fish populations of poorer African nations from rapacious overfishing by richer countries, EU tuna vessels are bound by agreements centred on the sustainability and “social empowerment” of third countries.

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Concern over Loch Ness low water levels amid UK dry spell

Fishery board reports shrinkage in size of River Ness as water scarcity alert issued for parts of Scotland

Concern has been raised about the water levels of Loch Ness and the River Ness amid the protracted dry spell affecting Scotland and the rest of the UK.

Brian Shaw, the director of Ness District Salmon Fishery Board, said there had been a dramatic shrinkage in the size of the River Ness. He told the BBC: “These conditions are not normally good for angling.

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Filipino activists appeal to British banks over region devastated by oil spill

Environmentalists from the Philippines urge investors to avoid LNG projects which they say threaten the Verde Island Passage

Campaigners from the Philippines have urged British banks not to fund the expansion of fossil fuel use in their country. It follows a huge oil spill that threatened a globally important marine biodiversity hotspot.

Filipino environmentalists have travelled to the UK to meet representatives from Barclays, Standard Chartered and HSBC as part of efforts to stop the expansion of liquefied natural gas (LNG) power plants and terminals in and around the Verde Island Passage, a global marine biodiversity hotspot known for its whale sharks, corals, turtles and rich fisheries, which was badly affected by the oil spill this year.

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