Again on the Ayr, we visited the Dippol Burn near Ochiltree to see what condition the habitat was in. Previously this burn’s fish population has been surveyed by ART and never a trout was found over several years although pollution tolerant species such as Stone loach, minnows and sticklebacks have been. This burn has long suffered from enrichment in the past but agricultural fencing is helping to exclude cattle, improving both habitat and water quality. Some areas however remain unfenced and degraded and I have requested a meeting with SEPA’s diffuse pollution specialist to discuss several issues across Ayrshire that concern me as there doesn’t appear to be much progress on this front in many areas.
We will again survey the fish population on the Dippol this year and if no trout appear in the results, I intend to seek a licence from Marine Scotland to introduce trout from the Lugar a short distance downstream to kick start a population again. There’s an impassible waterfall in Auchinleck Estate just above the Lugar so trout can’t repopulate the burn naturally at present. The photos below illustrate the difference riparian fencing to exclude cattle and sheep can make for the habitat and this in turn improves water quality and protects bathing waters from bacterial failures. A few trees planted within the buffers would be of additional benefit in the years ahead as water temperatures rise through climate change.
We met with the owner of Dalmore and The Tam O’Shanter Hone Works at Stair after lunch but I’ll save details of that for a later post about plans for the Stair Hydro. After that meeting , Muir and I headed to the Glenstang Burn that enters the Ayr immediately upstream of Stair bridge behind Stair Inn. This burn produces salmon fry and parr in the lower 250m or so but further upstream they are absent from electrofishing results and have been for some time. The trout population is similarly restricted to the lower reaches but we have recorded juvenile grayling in surprising numbers a further kilometre upstream. Obviously the middle Ayr grayling use this as a spawning burn which again is surprising given their reputation as a pollution sensitive species, but there isn’t really much choice for them downstream of Stair dam. The burn is another that suffers from enrichment as a result of diffuse pollution. I talked to a major landowner about fencing his water margins three years ago but to date, nothing has changed or improved. I also spoke to SEPA about the need for fencing at that time and they agreed. I will again discuss this situation when we meet in the near future.
This burn has loads of potential but cattle are causing siltation and erosion along much of its length. The images below show the good, the bad and the downright ugly! I will press for improvement on this burn immediately as there are legal requirements for farmers to prevent poaching and access to watercourses. Another lesser issue is a small conifer plantation that is near maturity and should soon be harvested. It is small but the burn flows through the wood and suffers from erosion due to a lack of vegetation in the understory. This is due to a lack of light reaching the ground. In the wood, bank instability is a problem and this causes the burn to become over wide and silted. Once the woodland is harvested this should quickly improve.
The Ayr is not along suffering from diffuse pollution but it is perhaps the most impacted by these issues. We have been working closely with the Doon Board to install thousands of metres of fencing on tributaries and main stem that should address these types of livestock related issues and bring benefit for the fish and other wildlife. Grants are available form time to time to assist with fencing and the Doon Board currently offer up to 50% grant assistance for suitable project. This can be accessed through the Trust. On other rivers, we are aware that up to 50% funding is available through a Government Grant and will be happy to point anyone interested in the right direction but this fund closes on the 12th June so don’t delay…give us a call immediately.