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World100,000 new marine species likely to be found through the Ocean Census

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100,000 new marine species likely to be found through the Ocean Census

In order to find and catalog the marine species that exists in the world’s waters, researchers have launched an ambitious global endeavor.

In the following ten years, Ocean Census hopes to detect 100,000 undiscovered species, enabling researchers to better understand and safeguard the deep-sea ecosystem.

We lack a great deal of information on the ocean’s depths. According to the census, just 240,000 of the 2.2 million species thought to live in the Earth’s waters have been described by scientists.

The endeavor expands on earlier initiatives like the Census of Marine Life, which was completed in 2010 and found 6,000 potential brand-new ocean species.

New advances in technology include high-resolution underwater imaging, machine learning and sequencing of DNA contained in seawater. The innovations will help accelerate the speed and scale of discovery of new life-forms, said marine biologistAlex Rogers, the project’s science director. He is a professor of conservation biology at the University of Oxford in the United Kingdom.

“I would hope by the end of 10 years we would have made some incredible scientific discoveries, maybe completely new ecosystems,” Rogers said at the launch event in London on Thursday.

It typically takes scientists at least a year to definitively describe a species post-discovery, but new types of technology are making it much easier for sea creatures to be studied in their natural habitat. These include tools like underwater laser scanning that can scan gelatinous creatures such as jelly fish that are hard to study on land.

“You can now look at (the creature) in the water column and see what the morphology is and study them in situ,” said Jyotika Virmani, the executive director of the Schmidt Ocean Institute in Palo Alto, California, which will participate in the project.

“What we’re moving towards is a place where we can actually perhaps even do taxonomic identification in the water column instead of bringing everything back to land. And that’s really exciting and will make things move a lot faster.”

All living organisms, including humans, disperse genetic material into the environment, and the project will also make use of new and accessible techniques to sample waterborne DNA to detect and track species.

While many of the species discovered are likely to be on the smaller end of the scale, Virmani noted that the world’s longest sea creature was only discovered in 2020 off the coast of Western Australia — a 150-foot stringlike animal known as a siphonophore.

Ocean Census will also help to identify how marine ecosystems are responding to the climate crisis, and assess how marine life could adapt to a warmer climate.

The project is being led by Nekton, a UK-based marine science and conservation institute, and funded by The Nippon Foundation, a nonprofit foundation based in Japan.

Over the next decade, dozens of expeditions to the ocean’s biodiversity hotspots will search for new species involving divers, submarines and deep-sea robots. The project also hopes to involve private vessels and individuals. The data and information gathered will by openly accessible for scientists, policymakers and the public for noncommercial use.

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