Dinos’ Flatulence Could Have Lent to Their End

Dinosaurs may have to admit to a fair share of accusation for changes in climate because they created excessive flatulence, claim leading scientists.

Graeme Ruxton from St Andrews University, Scotland, said the giant animals spent 150 years emitting the potent global warming gas, methane.

Flatulence
Flatulence is a condition of having excessive gas in the stomach or intestine. The condition can be bothersome but can be controlled.

Large plant-eating sauropods would have been the main culprits because of the huge amounts of greenery they consumed.

The team calculated the animals would have collectively produced more than 520m tons of methane a year - more than all today's modern sources put together.

It is thought these huge amounts could easily have been enough to warm the planet.

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It is even possible that the climate change was so catastrophic that it caused the dinosaurs eventual demise.

One of the animals, a 90-ton argentinosaurus, which measured 140ft in length, would have consumed at least half a ton of food in one day.

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After breaking down in the animal's stomach it would have produced thousands of litres of the greenhouse gas compared with a modern cow which only produces 200 litres of methane daily.

Methane is up to 20 times more effective in trapping heat in the atmosphere than carbon dioxide (CO2).

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It is created from a variety of natural and human-influenced sources which include landfills, natural gas, petroleum sources and agricultural activities.

Scientists claim humans have pushed levels of the gas up 2.5 times higher than they should be and estimate this is responsible for 20 per cent of modern global warming.

Cows and other livestock currently only emit about 100m tons of methane a year.

According to Ruxton and his co-researcher David Wilkinson, of Liverpool John Moores University, this is only a fifth of what was produced when Dinosaurs walked the Earth.

"In fact, our calculations suggest these dinosaurs may have produced more methane than all the modern sources, natural and human, put together," the Daily Mail quoted Wilkinson as telling the Sunday Times.

The study has been published in an academic journal this week.

Source-ANI