SEPA Freshet

Please be advised that SEPA has taken the decision to cancel the additional freshet requested from Talla/Fruid for Wednesday this week due to wet weather forecast for the area midweek. 22nd May 2024.

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Tackling Rises In Temperature

There are two main ways in which we can help cool our rivers: casting shade over the river by planting trees and by increasing the volume of water in the river. This can be done by releasing water back into the river from reservoirs through what is known as a 'freshet'.

Not only does having a greater volume of water in the river help cool the river, but it also results in water temperatures fluctuating less.

There are three reservoirs throughout the Tweed catchment catchment from which freshets are released; the Talla Reservoir, Fruid Reservoir and Whiteadder Reservoir.

Freshets are only released during periods of low water, in order to try and raise the river levels. However, the extent to which these freshets have an effect on river levels and temperatures throughout the entire catchment is still unclear. The Tweed Foundation are looking into the effects of freshets on water temperature and river levels at several locations along the river.

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Cooling The River Tweed Catchement

Riparian tree planting is deemed to be the most practical and effective method of cooling our rivers. However, there are challenges that come with this approach.

One of these challenges is the scale at which trees need to be planted at. In order to cool larger river channels, their tributaries also need to be cooled. Therefore, trees need to be planted along riverbanks throughout whole catchments to have the greatest cooling effect. In the Tweed's case, this is a massive area.

The trees also need to be planted in the right way. MSS have found that factors such as aspect, channel size and orientation, and tree species can all influence how effective riparian planting is at cooling the river. For example, trees planted on the north bank of a river flowing west to east will cast very little shade over the river and therefore have relatively little cooling effect compared to trees planted on the south bank.

To get around these challenges, MSS have been able to model where in the catchment water temperatures will reach highest as well as where in the catchment riparian planting will have the greatest cooling effect.

The Tweed Foundation are currently in discussions with land owners, exploring possibilities of planting in these areas to help future proof the catchment against rising water temperatures.

Image The Rankle Burn, a habitat improvement site in which the Tweed Foundation carried out riparian planting

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Support Our Work: Become a Friend of the Tweed Foundation

Join a community of passionate individuals dedicated to preserving the Tweed Catchment and protecting the iconic Atlantic salmon, which has sadly declined to endangered status in the UK

By supporting our volunteering and community programs, you can make a significant impact to our education and conservation efforts. As a friend of the Tweed Foundation, you'll receive regular updates on our conservation work, campaigns, and events.

Membership is open to all who support our mission and objectives, regardless of where you live. By becoming a friend of the Tweed Foundation, you are actively supporting our charity and enabling the essential work we do in conservation, education, and research.

Be part of something bigger. Help us preserve the Tweed Catchment for future generations.

Photographs and Stories

We love to hear from you! Please keep sending in your fishing stories to Anne Woodcock using your preferred method of contact below.
Communications and Fundraising Officer

Anne Woodcock


PHONE: 01896 800725 Mobile: 07540 834852

Alternatively you can send a direct message via our social media channels below.

Keep up to date with the latest news across the catchment by joining the Tweed mailing list at the bottom of this page. 


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