Appendix A: Location of burns surveyed in the Islands between 2004 and 2009 to determine the presence of brown trout populations. National grid references (NGRs) provided for burn mouth (at coast). “p/a” = presence/absence survey.

Trout present Anadromous Burn NGR Survey type (Y/N) (Y/N) Yesnaby Burn HY 221156 P/A N N Marwick Burn HY 229243 P/A N N Boardhouse HY 246275 P/A Y N Burn of Woo HY 363268 P/A N N Gritness Burn HY 366266 P/A N N Desso Burn HY 379265 Single run Y Y Woodwick Burn HY 392240 Single run Y Y Wasswick Burn HY 412220 Single run N N Hall of Rendall HY 424207 P/A N N Puldrite HY 420187 P/A N N Varme Dale HY 407183 P/A N N Burness HY 391163 Single run Y Y Isbister HY 392181 Single run Y Y Benziaroth HY 370147 P/A N N Binscarth HY 355142 Single run Y Y Maitlands Burn HY 363136 P/A Y N Stennadale Burn HY 360138 P/A Y N Davies Brig HY 375129 P/A N N Rossmyre HY 387126 Single run Y Y Rennibister (West) HY 395123 Single run Y Y Rennibister (East) HY 397123 P/A Y N Rennibister farm1 HY 398130 P/A N N Rennibister farm2 HY 399130 P/A Y Y* Burn of Hatson HY 436130 P/A N N Carness Burn HY 467136 P/A N N Meil Burn HY 475120 P/A N N Wideford Burn HY 477087 Single run Y Y Weethick HY 500095 P/A N N Loch of HY 515085 P/A N N Heatherhouse Burn HY 533111 P/A N N Nethermill HY 514078 P/A N N Sebay Cottages HY 523060 P/A N N Burn of Voy (Tankerness) HY 525042 Single run Y Y Sebay Mill Burn HY 516046 Single run Y Y Eves Loch HY 548060 P/A N N Loch of Ouse HY 548073 P/A N N Netherstove (Sandside Bay) HY 588068 P/A N N Newark Bay HY 568042 P/A N N Stenbister HY 543024 P/A N N Wester Sand HY 508008 P/A N N Graemeshall HY 491017 Single run Y Y St Mary's Loch HY 471010 P/A Y N Burn of Button (Deepdale) HY 451045 P/A N N Ratty Burn HY 438088 P/A N N Glenlee/Cotland Burn HY 430082 P/A Y N Caldale HY 435088 Single run Y N Kirbister HY 373067 Single run Y Y Burn of Vam HY 395062 P/A N N Burn of Lerquoy HY 363055 Single run N N Swanbister HY 353050 Single run Y N Gyre Burn HY 352046 P/A N N Bu Burn HY 335043 Single run Y Y Orakirk HY 301045 P/A Y N Newhouse HY 294056 P/A N N Clestrain HY 292066 P/A Y Y* Burn of Eyrland HY 293095 Single run Y Y Button HY 292083 P/A N N Mill Burn HY 259097 Single run Y Y Burn of Sutherland ND 477957 P/A N N Honeysgeo ND 487935 P/A N N Newark Burn ND 463897 P/A N N Burn of Stane ND 458868 P/A N N Oback (Wind Wick) ND 459867 P/A N N Burn of Liddell ND 454833 P/A N N Burwick Loch ND 439843 P/A N N Loch of Lythe ND 434863 P/A N N St Margarets Hope ND 449936 P/A N N Olad Burn ND 435892 P/A N N Sandwick Burn ND 434893 P/A N N Oback Burn (Widewall) ND 435916 P/A N N Oyce of Quindry ND 438927 P/A N N Creekland ND 238041 P/A N N Whaness ND 244028 Single run Y Y Lyrawa ND 292987 Single run Y Y Pegal ND 299978 Single run Y N Mill Burn ND 300954 Single run Y Y Ore ND 305939 Single run Y Y Heldale ND 284912 Single run Y Y Rackwick ND 205986 Single run Y Y Sourin HY 411311 Single run Y Y Lean HY 445317 Single run Y N Hullion HY 395279 Single run Y Y

* Total sample comprised a single finnock