Black Water of Dee Restoration Project (phase 1)

The Black Water of Dee Restoration Project (phase 1) was undertaken to explore how to restore natural river processes and the wider river ecology back to 20 km of the watercourse. This large tributary has become severely degraded due to the drainage of nearby peatlands, extensive conifer afforestation and the construction of Clatteringshaws Dam (part of the Galloway Hydro Scheme) in the 1930’s.

In 2016 GFT undertook a study of the lower Black Water of Dee (BWD) from where it flows into Loch Ken up to Clatteringshaws Dam.  Habitats over this 20 km length were found to be very degraded explaining why the ecology of the river was so poor.  There is no fish pass fitted on Clatteringshaws Dam so fish are unable to access the habitats upstream.  The report is available as a download.  

The main concerns highlighted in the study were:

  • poor water quality (acidification) likely to be an issue in some tributaries during the winter / spring
  • a number of waterfalls and rock ledges identified which were considered impassable to upstream migrating fish at base compensation water flows
  • extensive areas of conifer regen (naturally seeded Sitka spruce) in riparian areas which outcompetes native vegetation and can cause bank erosion 
  • a lack of riparian hardwood trees
  • a distinct lack of gravel, pebbles and cobbles due to the hydro dam stopping the natural downstream movement of substrate for the last 90 years.  This is resulting in a loss of riffle and spawning beds, instead leaving only bedrock and large boulders. 

To address the multiple pressures required a wide partnership of organisations to come together.  A steering group was set up with a membership of GFT, DRAX, Forestry and Land Scotland, SEPA, NatureScot, Kirkcudbrightshire Dee District Salmon Fishery Board and Galloway Glens Landscape Partnership.  A programme of works was agreed to be delivered as a phase 1.  Alot of these works were undertaken to trial restoration techniques to check their suitability to restore the BWD and also some events were held to inform the local community of the project and to give opportunities for people to get involved in the practical works.  




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Black Water of Dee Fish and Habitat Report 2016
Black Water of Dee Fish and Habitat Report 2016


The Rise and Fall of Galloway and Carrick Trout
Andy Ferguson, Caroline Bradley, Robin Ade, Colin Roberts, Jackie Graham, and Paulo Prodöhl look at the impact of acidification on trout and discuss some results from their current study.



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