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Carbon Tracking Tower Installed on Scotland's Largest Saltmarsh

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In Short: A carbon tracking tower has been installed at Caerlaverock on the Solway Firth, Scotland's largest saltmarsh, to measure how much carbon the marsh is removing from the atmosphere.

Corallie Hunt, a coastal habitats adviser for NatureScot, described the installation as an 'important milestone' for understanding the carbon storage potential of saltmarshes.

Annette Burden, a wetland scientist at the UK Centre for Ecology and Hydrology (UKCEH), noted that the Solway flux tower is the most northerly addition to a network of similar towers around the UK coast.

The data collected will aid in understanding the role saltmarshes play in climate mitigation and could support their inclusion in the UK Greenhouse Gas Inventory.

The project is a partnership between UKCEH, the Scottish government, NatureScot, and WWF-UK, aiming to improve understanding of the importance of saltmarshes.

About 85% of UK saltmarshes have been lost since the mid-19th century due to land reclamation, pollution, and erosion, highlighting the need to protect and restore these habitats.

Saltmarshes support biodiversity and provide natural flood protection, and the plants draw down carbon dioxide through photosynthesis and trap carbon-rich sediments in their roots and stems.

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