15081 Tweed Foundation Annual Report 2015 V2.Indd
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The Tweed Foundation 2015 Annual Report Contents Page The Tweed Foundation’s Annual Report 2015 Chairman’s Report 2 Director’s Foreword 3 Environment Taking the Temperature 4-5 Fish Populations The 2015 Season 6-9 Monitoring Juvenile Salmon Effects of Flooding 10-12 2015 Summer Electro-fishing Results 12-13 Predation Management of Fish-eating Birds 14 Counting Fish Counters 15 Fish Counter Results: Gala 15 Whiteadder 15 Ettrick 16 Sea-trout Stable Isotope Study 17 Why is the River Till more of a Sea-trout river than other Tweed Tributaries? 18-20 Brown trout 2015 Brown trout Catch Returns 21 Scale Sampling 22 Trout Burn Electro-fishing 23 Other Species Grayling 24 Consultancy 25 Our Services 25 Education Snapshot of 2015 26-29 Websites 30 Resources 31 Accounts 32 Trustees & Staff 33 Acknowledgements 33 Membership 34 Donations & Gift Aid 35 Map of the Tweed Catchment 36 Published June 2016 © The Tweed Foundation Front cover: Union Chain Bridge, Horncliffe. Uniting England and Scotland, the bridge was completed in 1820 by Captain Samuel Brown www.tweedfoundation.org.uk 1 Headshaw Burn Halk Burn Glencraggie Burn Toddle Burn Snawdon Burn Brunta Burn Lochurd Burn Phenzhaughope Burn Kilbucho Burn Armett Water Tima Water Cossarhill Burn Rankle Water Glendearg Burn Glenkerry Burn Glenrusco Burn Glentress Burn Glenkinnon Burn Menzion Burn Dewar Water Williamslee Burn Dead Burn Earnscleuch Water Kingledoors Burn Lugate Water Kelphope Burn Fingland Burn Stanhope Burn Entertrona Burn Glencraggie Burn Drumelzior Burn Flemmington Burn Soonhope Burn Chairman’s Report This annual report, again, shows the breadth is mostly about saying no to people and there you will see from this report, is the privilege of work undertaken by the Foundation. Each is the continuous need to manage a diverse of working in the Tweed catchment with its year, however, there is a considerable amount range of activities potentially damaging to fish. wide variety of habitat and species and the of time spent on work that goes unreported, This year has seen a serious pollution incident, certainty that the Foundation will continue mainly ad hoc, and is related to a wide range the installation of an Archimedes screw type to develop new or improved techniques and of issues both specific and general that turbine in the Ettrick, a number of badly advice, thereby making the business of saying affect the interests of fish throughout the designed water crossings in our headwaters no a little easier. catchment. and, ironically, the promotion of man-made During 2015, the Scottish Government “leaky” dams as an effective method of flood Douglas Dobie sought to control the exploitation of both control, again in our headwaters, and all rod and net caught Salmon through a licence involving survey, monitoring or comment by and quota system based solely on recent the Foundation. Those involved in Fisheries catch numbers. The arguments put forward Management, be it the RTC, Government, by the Foundation, based on an analysis of the Scottish Environment Protection Agency, historical catch and tagging data, contributed the Environment Agency, Scottish Natural significantly to the actual implementation of Heritage, Natural England and others do so a system with sound science at its heart; a through a combination of advice, regulation, system which, combined with a conservation enforcement, education and supplication. management plan, will enable a more uniform All of which would not be nearly so effective approach to wild fisheries management on the Tweed without the benefit of the across Scotland. knowledge accumulated by the Foundation Successful Fisheries Management is also and the quality of the analysis applied to it. about limiting Man’s impact on the aquatic Saying no is the unglamorous and unreported environment and the fish therein. Conservation side to Fisheries Management. The flip side, as 2 www.tweedfoundation.org.uk Headshaw Burn Halk Burn Glencraggie Burn Toddle Burn Snawdon Burn Brunta Burn Lochurd Burn Phenzhaughope Burn Kilbucho Burn Armett Water Tima Water Cossarhill Burn Rankle Water Glendearg Burn Glenkerry Burn Glenrusco Burn Glentress Burn Glenkinnon Burn Menzion Burn Dewar Water Williamslee Burn Dead Burn Earnscleuch Water Kingledoors Burn Lugate Water Kelphope Burn Fingland Burn Stanhope Burn Entertrona Burn Glencraggie Burn Drumelzior Burn Flemmington Burn Soonhope Burn Director’s Foreword 2015 was both a challenging and rewarding Now that the Foundation’s income from Nevertheless, the core of the Foundation’s year for the Foundation: challenging because grant aid is greatly restricted, consultancy support is from those that live, work and of the workload placed on it and rewarding services have become an important part fish on the River and it is to these generous because of the value which so clearly came of the Foundation’s work. Increasingly, supporters that the greatest gratitude goes, from the strong information we have about developers are recognising the benefit of not only for the ever-important financial the Tweed river system. The Foundation is using locally based biological services, not donations but also for the strong moral absolutely non-political, its purpose being only because we are almost always more support that we receive. A unified river leads to gather information and to give sound cost effective but also because of the long to strong management which is what Tweed objective advice and recommendations based historical data sets we have and which can has and what the Foundation will continue upon it. The independence of the Foundation put current data into perspective. Inevitably to strive to maintain. This report details is much valued on the River and the Trustees there is a tension between work that some areas of the Foundation’s work of the are determined to maintain that. In the past, earns income and work that is of intrinsic strategic importance which we hope readers this advice has mostly been used by local value and part of the annual work plan. will find interesting. managers such as Angling Associations, the However, often paid work has unexpected RTC and other agencies, but last year saw advantages. During the year, the biologists, Nick Yonge that contribution being extended to national helped by the RTC’s Water Bailiffs, walked policy. As the Scottish Government’s Wild and logged the entire length of the River Fisheries Reform progresses, the Foundation Till as part of a contract for Natural England looks forward to continuing that contribution to study Lampreys. The unintended and both in Scotland, to Marine Scotland, and also greatly advantageous outcome was that in England, to DEFRA. Whether or not the an in-depth survey was made detailing advice is influential is a matter for others: the obstructions and features. Not only is this a Some of the burns electro-fished in summer 2015 Foundation’s staff simply work to maintain its time-marked record but will be of great use by the Tweed Foundation’s biologists as part of the high quality. in future management decisions. regular monitoring cycle www.tweedfoundation.org.uk 3 Environment set of physical conditions. This system means that data from a Rationale: With forecasts of changes in rainfall, flow datalogger site can be extrapolated to sites with similar conditions patterns and temperatures, it is important to try and that do not have any information on their water temperatures. forecast impacts on fish habitats, so that any steps to The TinyTag© dataloggers used are set to measure the temperature mitigate these changes can be identified. (FMP INPUTS every 15 minutes and can do so without a change of battery for 1A1; 1A2) two years. In smaller channels they are mounted on angle irons inside small plastic tubes, as shown in the photograph below. In larger channels, they are attached to heavy weights which are Taking the Temperature anchored to the bank, as shown in the photograph opposite. The Scotland River Temperature Monitoring Network in the Tweed Catchment At present, there are 28 sites within the Tweed catchment: the Tweed Foundation is monitoring these, checking on them after major spates and downloading their data every six months. This data will fi ll a This is a network of temperature dataloggers (recorders) that is signifi cant blank in what we know about the catchment and will also be being set up throughout the country by Marine Scotland Science able to be used to help understand variation in angling catches in the (MSS). The aim is to have a system that can detect changes in water main channel – at present, only fl ow data is available for such analyses. temperatures by monitoring these over the years. Each site for a datalogger has been selected to be representative of a diff erent Analysis of the data by MSS will show where and when water situation in terms of altitude, aspect (whether shaded or not by temperatures are approaching or exceeding the range suitable for local hills), direction of fl ow (North, South, etc.) and other factors. Trout and Salmon and this will provide a guide as to where measures This means that some sites can be quite close together, as to increase shading, such as riparian planting, would be useful. shown on the map opposite, but each is covering a diff erent A temperature datalogger mounted on an angle iron in a small burn in the Leader catchment 4 www.tweedfoundation.org.uk Environment Map 1 : Locations of the temperature dataloggers now in the Tweed catchment A datalogger mounted on a heavy piece of metal which is anchored in to the bank on a steel cable. In the photograph, the datalogger is out of the water for downloading to a laptop www.tweedfoundation.org.uk 5 Fish Populations Rationale: Analyses of catch composition show which stocks (and areas) produce the fish, and how sizes and ages can change.