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#oyster
hellsitegenetics · 2 months
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WHAT DO YOU MEAN YOU'RE DOING IT ALL BY HAND??? LIKE BACKSPACING OUT EVERY LETTER BEFORE YOU SEARCH THE STRING???
String identified: AT A ' G T A A??? ACACG T TT AC T TG???
Closest match: Crassostrea gigas strain QD chromosome 2 Common name: Pacific oyster
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moonandserpent · 1 year
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Seahorse pendant, the pouch is baroque pearl. After a lovely courtship ceremony, females deposit eggs to male seahorses' pouches and males carry the eggs and give birth.
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tulipsofthemorning · 7 months
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in sailing, sometimes failing, that's the only way, the only way to fly.
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png-magician · 6 months
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reasonsforhope · 3 months
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"Discarded shells from restaurants and hotels are being used to restore damaged oyster ecosystems, promote biodiversity and lower pollution in the city’s bays...
Nestled in between the South China Sea and the Pearl River Delta, Hong Kong has been seen historically as an oyster hotspot. “They have been supporting our livelihood since ancient times,” says Anniqa Law Chung-kiu, a project manager at the Nature Conservancy (TNC) in Hong Kong. “Both oysters and their shells are treasures to humans.”
Over the past five decades, however, the city’s sprawling urban development, water pollution, as well as the over-harvesting and frequent seafloor dredging by the lime industry – which uses the crushed shells to make construction material – have destroyed Hong Kong’s oyster habitats and made the waters less hospitable for biodiversity.
The more oyster colonies falter, the worse the problem gets: oysters are filter feeders and purify water by gobbling up impurities. Just one Hong Kong oyster can filter up to 200 litres of water a day, more than any other known oyster species. But decades of rapid industrialisation have largely halted their water-purifying services.
The depletion of Hong Kong’s natural oyster reefs also affects the ability of local farmers to sustainably cultivate their oysters in a healthy environment, denting the reputation of the city’s 700-year oyster farming tradition, designated by Unesco as an “intangible cultural heritage”.
Inhabitants of the coast feel abandoned, says Ken Cheng Wai-kwan, the community leader of Ha Pak Nai on Hong Kong’s Deep Bay, facing the commercial city of Shenzhen in China. “This place is forgotten,” Cheng says. “Oysters have been rooted here for over 400 years. I ask the question: do we want to lose it, or not?”
A group of activists and scientists are taking up the challenge by collecting discarded oyster shells and recycling them to rebuild some of the reefs that have been destroyed and forgotten in the hope the oysters may make a comeback. They’ve selected locations around the island where data they’ve collected suggests ecosystems still have the potential to be rebooted, and there are still enough oyster larvae to recolonise and repopulate reefs. Ideally, this will have a positive effect on local biodiversity as a whole, and farming communities.
Farmers from Ha Pak Nai were among the first to hand over their discarded shells to the TNC team for recycling. Law’s team works with eight oyster farmers from Deep Bay to recycle up to 10 tonnes of shells every year [over 22,000 pounds]. They collect an average of 870kg every week [over 1,900 pounds] from 12 hotels, supermarkets, clubhouses and seafood restaurants in the city, including some of its most fashionable establishments. About 80 tonnes of shells [over 176,000 pounds] have been recycled since the project began in 2020.
Restaurants will soon be further incentivised to recycle the shells when Hong Kong introduces a new fee for waste removal – something that is routine in many countries, but only became law in Hong Kong in July and remains controversial...
Preliminary data shows some of the restored reefs have started to increase the levels of biodiversity, but more research is needed to determine to what extent they are contributing to the filtering of the water, says Law.
Scientists from the City University of Hong Kong are also looking to use oyster shells to increase biodiversity on the city’s concrete seawalls. They hope to provide tiny, wet shelter spots around the seawall in which organisms can find refuge during low tide.
“It’s a form of soft engineering, like a nature-based solution,” says Charlene Lai, a research assistant on the team."
-via The Guardian, December 22, 2023
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fruitmaddie · 7 months
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the shrimplicity of this task was greatly oysterstated
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one-time-i-dreamt · 5 months
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I was in a group of people abducted by aliens and brought to their home world. In a desperate bid to win the aliens' approval, I cleaned the gutters for our communal living space and telepathically conversed with their giant sentient oyster.
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catfindr · 8 months
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oooocleo · 1 year
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🦪
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sloppjockey · 1 year
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so I threw him into the sea. gouache watercolor
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beatriceportinari · 10 months
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Oyster, origami, one square of paper. Loosely modelled on the black-lip pearl oyster.
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animentality · 1 year
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galina · 4 months
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It's been a cold, crisp, clear weekend. Pink evening light and a very light dusting of snow making everything glitter. We decided to stay in the city with our friends this year for the holidays. J surprised me by grabbing a huge tree from our local community stall. Anything to brighten these long dark winter nights ✨
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expulence · 3 months
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humonculuss · 10 months
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They show up at the foot of your bed to help calm your nighttime anxieties.
Personal painting I finished~
I drew a new Angel OC made of my favorite things.
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reasonsforhope · 1 year
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”Fifty years ago, Congress voted to override President Richard Nixon’s veto of the Clean Water Act. It has proved to be one of the most transformative environmental laws ever enacted.
At the time of the law’s passage, hundreds of millions of gallons of raw sewage was dumped by New York City into the Hudson River every day. This filth was compounded by industrial contaminants emptied into the river along much of its length. The catch basin for all of this was New York Harbor, which resembled an open sewer. At its worst, 10 feet of raw human waste blanketed portions of the harbor bottom, and certain reaches held little or no oxygen to sustain the life of its fishery. Trash floated among oil slicks.
Health advisories against eating fish from the Hudson remain, but its ecology has largely recovered, thanks to the law, which imposed strict regulations on what could be discharged into the water by sewage treatment plants, factories and other sources of pollution. Today people swim in organized events in New York Harbor, which would have been unthinkable in 1972 when the law was passed. Across the country, billions of dollars were also spent to construct and improve sewage treatment plants, leading to recoveries of other urban waterways.
Cleaner water has made the harbor far more hospitable, and other steps have helped to rebuild life there, like fishing restrictions and the removal of some dams on tributaries in the Hudson River watershed.
The harbor’s environment remains compromised even so. It continues to be stressed by sewage overflow during rainstorms and by habitat degradation, such as loss of salt marshes from development and sea level rise. But the ecological workings of the harbor have been returned to a functional level, a revitalization that owes much to this landmark act of Congress.
Fifty years on, the story of this remarkable recovery can be told through some of its key animal species.
American oyster
Oyster reefs once covered roughly 350 square miles of harbor bottom around New York City. Untreated sewage contributed to a severe decline in the oyster population that lasted through the 20th century. The wild oyster population has begun to recover; a nine-incher known as Big was found in 2018 by a diver at a Hudson River pier. The nonprofit Billion Oyster Project is also at work restoring oyster reefs in the harbor, which provide habitat for other species...
Bald eagle
Once a rarity across North America, largely because the now-banned pesticide DDT compromised its ability to reproduce by weakening its eggshells, the bald eagle has made a strong comeback, taking advantage of the harbor’s resurgent fish life. As many as 10 now live on Staten Island, including the borough’s first nesting pair, known as Vito and Linda.
Humpback whale
The increased abundance of menhaden, a critical food source for the whales, has likely drawn humpbacks into the Hudson estuary. In December 2020 a humpback whale was seen in the Hudson just one mile from Times Square.
Harbor heron
Herons, egrets and ibis once nested all over New York Harbor. But demand for their plumage for women’s hats in the late 19th century, followed by the decimation by sewage pollution of the fish and crabs they preyed on, contributed to almost a century-long absence. Improved water quality has led to the birds’ recovery, with more than a thousand breeding pairs.
Osprey
Like the bald eagle, osprey numbers plummeted because of the widespread use of DDT. Today this bird of prey, also known as a fish hawk, is often spotted over the harbor hunting fish close to the surface, which they snatch with their outstretched talons. The cleaner harbor’s revitalized fish populations have helped drive the osprey’s return.”
-via The New York Times, 12/30/22
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