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Seal Scarer device on River Dee

The Dee District salmon Fishery Board (DeeDSFB) are in the process of applying for a Marine Licence under the Marine (Scotland) Act 2010 for the deployment of an acoustic seal scarer to replace the previous device which has been buried by shingle as a result of the winter floods. The DeeDSFB is a statutory body charged with protecting and enhancing salmon stocks within its district, which includes the Rivers Dee, Cowie and Carron. Seals have always entered the River Dee in pursuit of salmon, however in the last few years they have entered the Dee on a more regular basis and are also moving further inland as far as Banchory. This behaviour causes significant damage and stress to the fish as well as being damaging to the fishery.

 

On the advice of the Scottish Government, the Dee DSFB propose to install an Acoustic Deterrent Device (ADD) also known as a seal scarer.  ADD's produce very loud underwater sounds which deter seals that approach too close. They have been used for over 30 years to protect fish farm cages from seal predation and recently they have been used in rivers to deter seals entering rivers to predate on wild salmon.

 

The ADD is designed to deter seals by emitting random bursts of underwater noise, the sound produced by the seal scarer can potentially cause pain to people if for example you immerse your head close to the device (within 50m). In the event of this proposal being granted a licence The attached map shows the location of the device and its potential danger and you are advised not to  carry out capsize drills or kayak rolls close to the seal scarer. If a particular event is planned for the area above the Old Bridge of Dee  arrangements can be made to switch off the scarer. If you require further information, or would like to comment on this proposal please email me your comments edwin@riverdee.org or call the River Office on 013398 80411.