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Dulnain salmon fry index surveys update

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On the first of August we provided an interim report on the Dulnain salmon fry index surveys 2018 see https://www.speyfisheryboard.com/dulnain-salmon-fry-index-surveys-2018/. At the time there were two sites still to do. These were isolated sites, each requiring a long drive on estate roads. Today, thanks to Pitmain Estate, we were able to complete the last, and uppermost site. Site TSD88 is 44km up from the confluence with the Spey and lies at 620m or 2034ft. Up here the Dulnain is about 4m wide and is a very nice burn.

A shot of the Dulnain a short distance downstream from TSD88. Very nice habitat indeed, and no shortage a good spawning.
Site TSD88 in the upper River Dulnain. The survey started just upstream of the big boulder below the pickup

23 salmon fry were caught in three minutes at this site, no parr were found in the area though. The water levels were slightly elevated due to the steady drizzle.

Some of the catch from TSD88. Surprisingly for this altitude there were more salmon fry than trout, plus a few trout parr.

The complete set of results from the Dulnain salmon fry index surveys in 2018 are shown in the table below.

River Dulnain complete salmon fry index results 2018. The salmon fry counts were almost double the 2015 figures, the differential for the parr counts even higher. One feature from the salmon fry index surveys across all the tributaries this year is the upwards trend in the middle and upper sites, especially for parr.

These results seem at odds with the catch data, 2017 being relatively poor in that regard. However, we had a good chat with the Dunachton keeper today. He was enthusiastic about the number of salmon spawning in the vicinity of the Suspension Bridge site (TSD73) last autumn, relaying that some of his clients were tickled pink to see salmon coming alongside the Landrover wheels as they forded the Dulnain at the Suspension Bridge. We had received similar reports from other keepers about good numbers of spawning fish in other upland tributaries last year

The only period of the 2017 season when catches were good was during the early spring. Our monitoring results, and reports from those on the ground, point to the fact that there were more early running fish around last year than we may have thought. Thankfully there are two strong yearclasses of juvenile fish in the system at present as the catch of 2018 will be poor, even in comparison to 2017.

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