Fishing The Fly Scotland Forum

Jamie

Re: The River Don Trust
« Reply #60 on: 27/04/2012 at 08:31 »
Noel
Thanks for your queries, hopefully here are some answers;

1. Scales will keep almost indefinitely as long as they are stored in the paper scale packets (or similar) and allowed to dry i.e. remove from fishing vest or bag and place on window sill. They should dry within a few days at room temp.
Please do not store them in plastic bags, tin foil or sweet wrappers, they will stink and also decompose, leaving the scales unreadable.

2. We would welcome a range of fish sizes and species from different locations across the catchment. Start from 1/2lb and work up, the scales are difficult to collect from fish of this size. We can still read them down to small parr and smolts are manageable but we would request that you don’t sample anything smaller than 1/2lb. If it’s a day where your getting several fish of the same size then by all means sample them if you wish but alternatively just sample every second or third fish you catch (depending upon how many your catching).

3. I would also point out that what where possible we would like a true representative of the rod catch i.e. not just the Big Un's or the interesting fish. If you’re a prolific catcher of fish, first of all tell me what you’re doing! And secondly consider a sampling strategy as suggested in point 2. this would omit the tendency for anglers to record only the larger specimens which could bias our sample.

4. For those anglers who are targeting the larger specimen trout and are fortunate enough to catch them then please consider sampling each of these fish, as at present we have little information upon this part of the stock component.

I hope that has been helpful, please get in touch if you have any further queries, tight lines
Jamie

Noel Kelly

Re: The River Don Trust
« Reply #61 on: 27/04/2012 at 08:59 »
Awesome answer dude :z16 now just need the waters to drop and hopefully go catch some fish.

Duncan McRae

Re: The River Don Trust
« Reply #62 on: 29/04/2012 at 20:49 »
Hi Jamie

Sorry,missed this workshop but hopefully will make it to the next.However,i have concerns about removing scales from the fish.
I took part in a salmon tagging scheme around 10 years ago on the Don and during the training session at the hatchery,i was told that it was very important to avoid scale loss as this might allow a fungal infection to set in and ultimately kill the fish.
Are you able to reassure me that scale removal is safe?

Regards
Duncan

Jamie

Re: The River Don Trust
« Reply #63 on: 30/04/2012 at 14:14 »
Hi Duncan
We hope to run another session yet TBC, so hopefully you will be able to attend this evening.
Firstly thank you for participating in the previous programme with the fishery board the Trust hopes to engage with anglers on a variety of topics like this in the future so support is welcomed.

In answer to your question;
Scale loss is a natural process; fish will lose scales readily at different times of the year depending upon the type of fish. Fresh run fish will lose scales on the landing net when caught others will lose scales when predated upon, we’ve often seen seal or bird marked fish. Other fish will lose scales throughout the year jostling within the river through the season. Its clear that this is the case when we come to read scales as there are many replacement scales lacking previous years information yet these fish have survived these episodes to be caught by the anglers in order for that to be evident.
Care must be exercised when removing scales but as were recommending only a few scale 4-8scales at most from the fish then this is perceived to have very little effect upon the fish. When you consider a typical adult trout having several thousand scales across its body this makes up a tiny percent of the surface of the fish where a fungal infection could enter.
Under conditions where fish are stressed or there have been reports of fungal outbreaks typically through low water or high temps then this issue may be exacerbated and we will endeavour to monitor the status of the programme throughout the year and inform anglers of any restrictions we feel we may impose upon collecting should this be required.

Under normal conditions with what is perceived to be a healthy fish then the likelihood of harm to the fish is low.

Following instruction at a Trust scale workshop we are confident that participating anglers are competent to carry out scale collection in a manner which causes very little if not no significant harm to the fish.
If you have any further queries please do not hesitate to get in touch.
We will be posting our revised Scale Sampling Protocol 2012 on the website shortly, currently having administrative issues with the site.

Best regards Jamie

Duncan McRae

Re: The River Don Trust
« Reply #64 on: 01/05/2012 at 10:26 »
Hi Jamie

Thanks for your informative reply.
On reflection,i do agree that under normal water conditions the likelihood of harm to the fish is low.
Hope to see you at the next workshop evening.

Best Wishes
Duncan

machar

Re: The River Don Trust
« Reply #65 on: 27/06/2012 at 19:47 »
The July edition of the River Don Trust Newsletter can be read here

http://www.adaa.org.uk/pdfs/trust%20newsletter%20July%202012.pdf

We are very short on volunteers to continue and develop our programs, if you can spare some time and wish to help please contact Jamie at biologist@riverdon.org.uk, thanks

machar

Re: The River Don Trust
« Reply #66 on: 17/07/2012 at 11:16 »
Dear all
The River Don Trust is pleased to announce a series of exciting FREE events taking place this summer along the River Don Corridor. These events have been designed to encourage people into the corridor to see and experience first hand what this valuable part of the City has to offer.

The events have been developed and are being run by a series of organisations and range from walks to watersports and from the built to the natural history of the area. Most of the events have been developed in association with the Sustainable Urban Fringes Aberdeen project.

The event leaflet is attached in pdf format. It can also be downloaded using the following link:
http://www.sustainablefringes.eu/nmsruntime/saveasdialog.asp?lID=432&sID=44

The River Don Trust is providing a number of events in this programme which will allow people to understand more about the aquatic environments of the River Don.

We will be looking at aquatic invertebrates and teaching you the skills to capture and ID these minibeasts
We will also be carrying out electrofishing to find out what fish we have in the Don we willl stun, ID, record, handle and return all fish alive.

More information about the project can be found here:
www.sustainablefringes.eu
www.facebook.com/groups/riverdoncorridor

Best regards Jamie


Jamie Urquhart
River Don Trust Biologist

machar

Re: The River Don Trust
« Reply #67 on: 23/08/2012 at 08:25 »
The latest Mink Initiative Newsletter can be read here

http://www.adaa.org.uk/pdfs/August%202012%20SMI%20Newsletter.pdf

machar

Re: The River Don Trust
« Reply #68 on: 04/12/2012 at 13:25 »
The following Press Release has just been issued by the River Don Trust

"The salmon population in the Aberdeenshire's River Don is already taking advantage of a new fish pass, allowing them far easier access to an important tributary for spawning. This follows the installation of a new pass in late summer through a vehicle ford over the Ernan Burn on Edinglassie Estate.

 The pass should enable the river’s salmon to utilise to maximum extent over three miles of spawning and juvenile habitat.

The area in the upper part of the river’s catchment is believed to be particularly important for spring salmon, the most fragile component of the Don’s stocks of migratory fish.

Jamie Urquhart, Biologist for the River Don Trust, explained: “The ford in question was clearly a major obstacle for salmon to negotiate as they tried to migrate upstream. Having obtained the necessary consents from SEPA, we carried out the work ourselves, with support and private funding from the Don District Salmon Fishery Board and Edinglassie Estate respectively, using a low-tech, low-cost design employing locally sourced larch timber and locally won stone. This complied with the Estate’s wish for a low visual impact whilst maintaining the aesthetics of the upland terrain”.

Mr Urquhart continued: “It is pleasing that this month we have already seen several pairs of adult salmon upstream of the pass. Previously this tributary has been stocked with juvenile hatchery fish. Adult salmon homing back to this area should now be able to ascend through the fish pass at will and spawn naturally – a much more desirable situation than trying to replicate nature through the use of hatchery-bred fish. This exercise has established a skill set within the Trust which will serve us well in undertaking further similar works in the future”



Before



and after

Allan Liddle

Re: The River Don Trust
« Reply #69 on: 04/12/2012 at 16:07 »
Nice looking burn, get the wee rod or, given the growing popularity, Tenkara rods out.

They certainly ended up with the desired effect in keeping with the permission restrictions.  How much water has this 'opened up'?  Assume it's made access easier as i can't imagine it would cause much problem in higher water levels?

Noel Kelly

Re: The River Don Trust
« Reply #70 on: 04/12/2012 at 19:14 »
That's impressive. Hope it stands the test of time.

Iain Goolager

Re: The River Don Trust
« Reply #71 on: 05/12/2012 at 00:26 »
Great stuff.

Hope it all pans out long term  :z16

Iain

Mark Zhang

Re: The River Don Trust
« Reply #72 on: 06/12/2012 at 15:09 »
 :z18 well done. I think the  :z15 will be happy now.

Merry Christmas to everyone.  :)z

Mark

machar

Re: The River Don Trust
« Reply #73 on: 07/12/2012 at 08:55 »
Please see attached a letter sent to all River Don proprietors from the Chairman regarding the future of the river Don Hatchery. It is in a pdf format

http://www.adaa.org.uk/pdfs/board/hatcheryLetterDec2012.pdf

Hamish Young

Re: The River Don Trust
« Reply #74 on: 07/12/2012 at 09:30 »
Excellent progress, there will always be 'nay sayers' about closing (or mothballing :?) the hatchery but the important work is in the broader catchment.
Well done everyone  :z16

H :z3

 




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