Ben Loyal seen across a bog pool near Moine House, near Tongue, Sutherland.
Nature & Heritage

Peatlands and Climate Change

Peatlands have been historically undervalued. In the UK, 80% of peatlands have been degraded, often in attempts to drain them for agriculture and forestry. We now have a better understanding of peatlands and the vital role they play in the fight against climate change.

Dùthaich nam boglaichean

What are peatlands?

Peatlands are areas of land with naturally accumulating layers of peat.

Peatlands are wet, acidic habitats. As sphagnum mosses and other plant matter which make up the peatland’s surface die, these conditions prevent the full decomposition of dead plant matter, instead forming peat. Over thousands of years, this peat accumulates, forming deep layers.

Flow country with snowy mountains in background
Lorne Gill
Did you know?

Peat forms incredibly slowly, just 1mm per year. The Flow Country has been accumulating peat since the last ice age, or about 10,000 years. Some areas of peat are 10 metres deep!

Did you know?

A lot has changed over 10,000 years. As the Flow Country was starting to form, human lifestyles were beginning to transition from nomadic hunter-gatherers to settlers and farmers.

Why are peatlands so important?

Peatlands have a vital role in mitigating the threat of climate change. This is because of their ability to capture and store carbon dioxide. 

All green plants absorb carbon dioxide from the atmosphere. However, when the plants die, the carbon is released back into the atmosphere – unless the plant material is preserved in some way.

That’s why peat bogs are so important as a defence against climate change. Forests can store carbon more quickly than peatland, but most of it is released when the trees rot away or are burnt as fuel. The moss and other plants do not fully decay so the bogs are able to store carbon for thousands of years.

Flow country with snowy mountains in background
Lorne Gill
Did you know?

Many peatlands have been growing undisturbed for thousands of years, so although they cover just 3% of the world’s surface they hold nearly 30% of all soil carbon.

Did you know?

The Flow Country’s peat bogs alone store about 400 million tonnes of carbon – more than double the amount in all of Britain’s woodlands.

Did you know?

It’s estimated that the carbon stored in Scotland’s peatlands represents 100 years’ worth of the country’s emissions from burning fossil fuels.

Why do peatlands need to be protected?

While pristine peatlands are fantastic habitat and excellent at sequestering carbon from the atmosphere, damaged peatlands release their enormous stores of carbon, accelerating climate change. Protecting peatlands from further damage and restoring peatlands which have been degraded are both vital steps in reducing carbon emissions. Find out more about peatland restoration in the Flow Country, here!

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