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Mysterious 'fairy circles' have started appearing all over the world

Home> News> World News

Published 17:57 27 Sep 2023 GMT+1

Mysterious 'fairy circles' have started appearing all over the world

They've baffled scientists for decades, but now there's been a new development

Chloe Rowland

Chloe Rowland

Mysterious patches known as 'fairy circles' have been leaving scientists scratching their heads for over 50 years, spawning several theories as they randomly popped up in certain parts of the world.

The strange circular patches of bare soil had only ever been documented in Namibia and Australia, and gained notoriety in the scientific community based on how round and regularly spaced out they were.

The fact they were shrouded in so much mystery is why the term 'fairy circles' was coined, based on the mythical creatures.

However, this week, scientists have announced a major new development in their long journey to understanding fairy circles - they've actually been popping up all over the world.

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They definitely look strange.
Edwin Remsberg/VWPics/Universal Images Group via Getty Images

In the new study, published on Tuesday (26 September) in the journal PNAS, artificial intelligence was used to scour through satellite images, with scientists pinpointing a staggering 263 sites where fairy circles appear to be located.

In short, these puzzling circles are a lot more common than we first thought.

The study found fairy circles were located in the likes of Sahel, Western Sahara, the Horn of Africa, Madagascar, southwest Asia and central Australia.

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“We discovered fairy circle locations in many other places that we didn’t know existed before, because most of the work on this topic has been carried out in just two countries, Namibia and Australia,” said Fernando Maestre, an ecologist at the University of Alicante in Spain and an author of the study.

“Analyzing their effects on the functioning of ecosystems and discovering the environmental factors that determine their distribution is essential to better understand the causes of the formation of these vegetation patterns and their ecological importance,” study co-author Emilio Guirado added.

But what causes them to be there in the first place?

A so-called 'fairy circle' in Namibia.
Edwin Remsberg/VWPics/Universal Images Group via Getty Images

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Well, experts believe that the presence of certain soil and climate factors - such as an average rainfall of less than 200 mm/year, and low nitrogen levels - did seem to match up to areas where fairy circles were found.

That being said, there still doesn't seem to be a concrete answer, with multiple theories having been tossed around since fairy circles were first discovered.

For instance, one theory is that grass growing in hotter climates ends up battling it out for water, meaning that as some grow, the others that die leave circular gaps in the vegetation.

Meanwhile, others have attempted to link the presence of fairy circles to droughts.

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Interestingly, the latest findings could potentially shed some light on whether fair circles could be an indication of ecosystem degradation caused by the climate crisis.

But until then, it looks like these strange circles will remain a mystery, as they have for half a century.

Featured Image Credit: Edwin Remsberg/VWPics/Universal Images Group/Getty Images

Topics: World News, Science, Weird

Chloe Rowland
Chloe Rowland

Chloe Rowland is a Sub Editor and Journalist at LADbible Group. She graduated from The University of Salford with a BA Multimedia Journalism degree in 2019 but has continued to use the fact she has a Blue Peter badge as her biggest flex.

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