List of References using data collected at the Girnock and Baddoch field sites Ali, G., Birkel, C., Tetzlaff, D., Soulsby, C., McDonnell, J. J. and Tarolli, P. (2014). A comparison of wetness indices for the prediction of observed connected saturated areas under contrasting conditions. Earth Surface Processes and Landforms. 39, 399–413. doi: 10.1002/esp.3506 Ali, G. A., Birkel, C., Tarolli, P., Tetzlaff, D., Soulsby, C. and McDonnell, J. J. (2011). From Coarse-scale Soil Data Information to Fine-scale Saturated Area Prediction in a Scottish Watershed. American Geophysical Union, Fall Meeting 2011. Ali, G., Tetzlaff, D., Soulsby, C. and McDonnell, J. J. (2012). Topographic, pedologic and climatic interactions influencing streamflow generation at multiple catchment scales. Hydrological Processes. 26, 3858–3874. doi: 10.1002/hyp.8416 Anon. (1966). Early stages in the life history of Salmon. Girnock Burn. 1966. F.W. Series. 7 FW 66. Anon. (1976). Report on the Girnock Burn project. 1976. F.W. Series. 21 FW 76. Anon. (1970). Studies of the Salmoid stocks of the Girnock Burn. 1970 Report for the period 1.11.69 to 31.5.70. F.W. Series. 33 FW 70. Anon. (1967). Studies of the Salmonid stocks of the Girnock Burn. 1967 Report for the period 1.11.66 to 31.5.67. F.W. Series. 26 FW 67. Anon. (1968). Studies of the Salmonid stocks of the Girnock Burn. 1968 Report for the period 1.11.67 to 31.5.68. F.W. Series. 37 FW 68. Anon. (1969). Studies of the Salmonid stocks of the Girnock Burn. 1969 Report for the period 1.11.68 to 31.5.69. F.W. Series. 30 FW 69. Anon. (1973). Studies of the Salmonid stocks of the Girnock Burn, Aberdeenshire, 1972. F.W. Series. 5 FW 73. Anon. (1968). Studies of the Salmonid stocks of the Girnock Burn, Aberdeenshire. 1968 Report for the year ended 31.10.68. F.W. Series. 3 FW 69. Anon. (1970). Studies of the Salmonid stocks of the Girnock Burn, Aberdeenshire. 1970 Report for the year ended 31.10.69. F.W. Series. 2 FW 70. Anon. (1971). Studies of the Salmonid stocks of the Girnock Burn, Aberdeenshire. 1971 Report for the period 1.11.69 to 31.12.70. F.W.Series. 5 FW 71. Armstrong, J. D and Huntingford, F. A & Herbert N. A. (1999). Individual space use strategies of wild juvenile Atlantic salmon. Journal of Fish Biology. 55, 1201-1212 Armstrong, J.D. and West, C.L. (1994) Relative ventricular weight of wild Atlantic salmon parr in relation to sex, gonad maturation and migratory activity. Journal of Fish Biology. 44 (3), 453-457. Bacon, P. J., MacLean, J. C., Malcolm, I. A. and Gurney, W. S. C. (2012), Ova fecundity in Scottish Atlantic salmon Salmo salar: predictions, selective forces and causal mechanisms. Journal of Fish Biology. 81, 921–938. doi: 10.1111/j.1095-8649.2012.03311.x Beechie, T., Moir, H. and Pess, G. (2008). Hierarchical Physical Controls on Salmonid Spawning Location and Timing. American Fisheries Society Symposium. 65, 83-101. Birkel, C., Malcolm, I., and Tetzlaff, D. (2013). Modeling the dynamics of metabolism in montane streams using continuous dissolved oxygen measurements. Water Resources Research. 49, 5260–5275. doi:10.1002/wrcr20409. Birkel, C., Soulsby, C. and Tetzlaff, D. (2011). Modelling catchment-scale water storage dynamics: reconciling dynamic storage with tracer-inferred passive storage. Hydrological Processes. 25: 3924–3936. doi: 10.1002/hyp.8201 Birkel, C., Soulsby, C., and Tetzlaff, D. (2014). Developing a consistent process-based conceptualization of catchment functioning using measurements of internal state variables. Water Resources Research. 50, 3481–3501, doi:10.1002/2013WR014925. Birkel, C., Tetzlaff, D., Dunn, S.M. and Soulsby, C. (2010). Towards a simple dynamic process conceptualization in rainfall-runoff models using multi-criteria calibration and tracers in temperate, upland catchments. Hydrological Processes. 24 (3):260-275. Birkel, C., Tetzlaff, D., Dunn, S.M. and Soulsby, C. (2011). Using time domain and geographic source tracers to conceptualize streamflow generation processes in lumped rainfall-runoff models. Water Resources Research. 47. doi:10.1029/2010WR009547. Buck, R.J.G. (1971). Studies of the Salmonid stocks of the Girnock Burn. 1971 Report for the period 1.1.71 to 31.5.71. F.W.Series. 26 FW.71, Buck, R.J.G. (1972). Studies of the Salmonid stocks of the Girnock Burn. 1972 Report for the period 1.1.72. to 31.5.72. F.W. Series. 41 FW 72, Buck, R.J.G. (1973). Studies of the Salmonid stocks of the Girnock Burn, Aberdeenshire, 1973. F.W. Series. 11 FW 74, Buck, R.J.G. (1975). Recaptures of salmon tagged as smolts in the Girnock Burn (River Dee), Scotland, from 1967 - 1973. ICES. M 15, Buck R.J.G. (1976). The relationship between spawning stock and juvenile salmon production in the Girnock Burn. Fish. Manage. 7 (4), 88-89. Buck, R.J.G. and Hay, D.W. (1984). The relation between stock size and progeny of Atlantic salmon, Salmo salar L., in a Scottish stream. Journal of Fish Biology. 24 (1), 1-11. Buck, R.J.G. and Youngson, A.F. (1982). The downstream migration of precociously mature Atlantic salmon, Salmo salar L. parr in autumn; its relation to the spawning migration of mature adult fish. Journal of Fish Biology. 20 (3), 279-288. Capell, R., Tetzlaff, D. and Soulsby, C. (2013). Will catchment characteristics moderate the projected effects of climate change on flow regimes in the Scottish Highlands? Hydrological Processes. 27, 687–699. doi: 10.1002/hyp.9626 Carey, S. K., Tetzlaff, D., Buttle, J., Laudon, H., McDonnell, J., McGuire, K., Seibert, J., Soulsby, C. and Shanley J. (2013). Use of color maps and wavelet coherence to discern seasonal and interannual climate influences on streamflow variability in northern catchments. Water Resources Research. 49, 6194–6207. doi:10.1002/wrcr.20469. Chadwick, S., Knights, B., Thorley, J.L. and Bark, A. (2007). A long-term study of population characteristics and downstream migrations of the European eel Anguilla anguilla (L.) and the effects of a migration barrier in the Girnock Burn, north-east Scotland. Journal of Fish Biology. 70 (5), 1535-1553. Dawson, J.J.C., Tetzlaff, D., Speed, M., Hrachowitz, M. and Soulsby, C. (2011). Seasonal controls on DOC dynamics in nested upland catchments in NE Scotland. Hydrological Processes. 25, 1647– 1658. doi: 10.1002/hyp.7925 Dick, J.J., Tetzlaff D., Birkel, C. and Soulsby C. (2014). Modelling landscape controls on dissolved organic carbon sources and fluxes to streams. Biogeochemistry. 10.1007/s10533-014-0046-3 Dick J., Tetzlaff D., and Soulsby C. (2015) Landscape influence on small-scale water temperature variations in a moorland catchment, Hydrol. Process., doi: 10.1002/hyp.10423. Dunn, S.M., Bacon, J.R., Soulsby, C., Tetzlaff, D., Stutter, M.I., Waldron, S. and Malcolm, I.A. (2008). Interpretation of homogeneity in *d18O signatures of stream water in a nested sub-catchment system in north-east Scotland. Hydrological Processes. 22 (24), 4767-4782. Fleming, I.A. (1998). Pattern and variability in the breeding system of Atlantic salmon (Salmo salar), with comparisons to other salmonids. Canadian Journal of Fisheries and Aquatic Sciences. 55, 59-76. Friedland K.D., MacLean J.C., Hansen L.P., Peyronnet A.J., Karlsson L., Reddin D.G., Ó Maoiléidigh N., and McCarthy J.L. (2009). The recruitment of Atlantic salmon in Europe. ICES Journal of Marine Science. 66, 289-304. Friedland, K.D., Chaput, G. and MacLean, J.C. (2005). The emerging role of climate in post-smolt growth of Atlantic salmon. ICES Journal of Marine Science. 62 (7), 1338-1349. Gani, R. (2000). Modelling environment dependant growth of juvenile Atlantic salmon, Salmo salar L. PhD Thesis. Garcia de Leaniz, C. (1990). Distribution , growth, movements, and homing behaviour of juvenile Atlantic salmon and brown trout in the Girnock Burn, Aberdeenshire. PhD Thesis, University of Aberdeen. Garner, G.; Hannah, D. M.; Malcolm, I. A.; Sadler, J. P. (2012) Inter-annual variability of stream temperature, micro-climate and heat exchange dynamics: a comparison of forest and moorland environments. EGU General Assembly 2012, held 22-27 April, 2012 in Vienna, Austria., p.11257 Garner, G.; Malcolm, I.; Hannah, D. M.; Sadler, J. P. (2013) Longitudinal Water Temperature and Heat Flux Patterns within a Semi-Natural Forested Stream Reach. American Geophysical Union, Fall Meeting 2013, abstract #GC23C-0944 Geris J., Tetzlaff D., McDonnell J., and Soulsby C. ( 2014), The relative role of soil type and tree cover on water storage and transmission in northern headwater catchments, Hydrol. Process., doi: 10.1002/hyp.10289 Gibbins, C., Shellberg, J., Moir, H. and Soulsby, C. (2008). Hydrological Influences on Adult Salmonid Migration, Spawning, and Embryo Survival. American Fisheries Society Symposium. 65, 195223. Gibbins, C.N., Moir, H.J., Webb, J.H. and Soulsby, C. (2002). Assessing discharge use by spawning Atlantic salmon: A comparison of discharge electivity indices and PHABSIM simulations. River Research and Applications. 18 (4), 383-395. Gurney, W.S.C., Bacon, P.J., Mckenzie, E., Mcginnity, P., Mclean, J., Smith, G. and Youngson, A. (2010) Form and Uncertainty in Stock-Recruitment Relations: Observations and Implications for Atlantic Salmon (Salmo Salar) Management. Canadian Journal of Fisheries and Aquatic Sciences. 67, 1040-1055. Gurney, W.S.C., Bacon, P.J., Speirs D., Mcginnity, P., Verspoor E. (2012) Sea-Age Variation in Maiden Atlantic Salmon Spawners: Phenotypic Plasticity or Genetic Polymorphism? Bulletin of Mathematical Biology. 74, 615-640 Gurney, W.S.C., Bacon, P.J., Tyldesley, G. and Youngson, A.F. (2008). Process-based modelling of decadal trends in growth, survival, and smolting of wild salmon (Salmo salar) parr in a Scottish upland stream. Canadian journal of fisheries and aquatic sciences. 65 (12):2606-2622. Gurney, W.S.C., Mckenzie, E., Bacon, P.J. (2010) Maturity Dispersion, Stock Auto-Correlation, and Management Strategy in Exploited Populations. Bulletin of Mathematical Biology. 72, 1271-1293 Hannah, D.M., Malcolm, I.A., Soulsby, C. and Youngson, A.F. (2004). Heat exchanges and temperatures within a salmon spawning stream in the Cairngorms, Scotland: seasonal and sub-seasonal dynamics. River Research and Applications. 20 (6), 635-652. Hannah, D.M., Malcolm, I.A., Soulsby, C. and Youngson, A.F. (2008). A comparison of forest and moorland stream microclimate, heat exchanges and thermal dynamics. Hydrological Processes. 22 (7), 919-940. Haria, A. H., Shand, P., Soulsby, C. and Noorduijn, S. (2013) Spatial delineation of groundwater–surface water interactions through intensive in-stream profiling. Hydrol. Process., 27: 628–634. doi: 10.1002/hyp.9551 Hay, D.W. (1995). Baddoch and Girnock Salmon Census 1993/94. Dee District Salmon Fishery Board Annual Report. 39-41 Hay, D.W. (1996). Baddoch and Girnock salmon census 1995. Dee District Salmon Fishery Board Annual Report 1995. 25-29. Hay, D.W. (1995). The current status of salmon stocks in the River Dee. Salmon in the Dee catchement: the scientific basis for management. Proceedings of a one-day meeting, Glen Tanar House, October 1994. Pitlochry Atlantic Salmon Trust. 3-8. Hay, D.W. (1989). Effect of adult stock penetration on juvenile production of Salmo salar L. in a Scottish stream. Proceedings of the Salmonid Migration and Distribution Symposium. ( Contribution No. 793). Seattle, WA, University of Washington, School of Fisheries. 93-100 Hay, D.W. (1997). Girnock and Baddock salmon census 1996. Dee District Salmon Fishery Board Annual Report 1996. 23-24 Hay, D.W. (1990). Juvenile Salmon survival in the Girnock Burn. Progress Report , Atlantic Salmon Trust. Hay, D.W. (1987). The relationship between redd counts and the numbers of spawning salmon in the Girnock Burn, Scotland. ICES Journal of Marine Science. 43 (2), 146-148. Hay, D.W. (1986). Salmon studies in the Girnock Burn. Scottish Fisheries Bulletin. 49, 17-21. Hay, D.W. (1987). Salmon studies in the Girnock Burn. Salmon Net. 19, 22-27 Hay, D.W. (1988). Les secrets de la fraie. Saumons 64, 10-11. Hay, D.W. (1989). Work on the Girnock Burn. Environmental research on the Balmoral Estate. Aberdeen, Aberdeen Centre for Land Use. 29-30. Hay, D. (1984). The relationship between redd counts and the numbers of spawning salmon in the Girnock Burn (Scotland). ICES, COPENHAGEN (DENMARK). Hindar K, Hutchings JA, Diserud OH & Fiske P (2011). Stock, Recruitment and Exploitation. Atlantic Salmon Ecology, First Edition. Blackwell Publishing Ltd. 299-332 Hrachowitz, M., Soulsby, C., Imholt, C., Malcolm, I. A. and Tetzlaff, D. (2010). Thermal regimes in a large upland salmon river: a simple model to identify the influence of landscape controls and climate change on maximum temperatures. Hydrological Processes. 24, 3374–3391. doi: 10.1002/hyp.7756 Huntingford, F. A, Thorpe, J. E, and De Leaniz, C. G & Hay D. W. (1992). Patterns of growth and smolting in autumn migrants from a Scottish population of Atlantic salmon, Salmo salar L. Journal of Fish Biology. 41, 43-51. Imholt C, C. N. Gibbins, I. A. Malcolm, S. Langan, C. Soulsby (2010). Influence of riparian cover on stream temperatures and the growth of the mayfly Baetis rhodani in an upland stream. Aquatic Ecology, 44, 669-678 Imholt, C., Soulsby, C., Malcolm, I.A. and Gibbins, C.N. (2013), Influence of contrasting riparian forest cover on stream temperature dynamics in salmonid spawning and nursery streams. Ecohydrol., 6: 380–392. doi: 10.1002/eco.1291 Imholt, C., Soulsby, C., Malcolm, I. A., Hrachowitz, M., Gibbins, C. N., Langan, S. and Tetzlaff, D. (2013). Influence of scale on thermal characteristics in a large montane river basin. River Res. Applic., 29: 403–419. doi: 10.1002/rra.1608 Jones, W., Gurney, W.S.C., Speirs, D.C., Bacon, P.J. and Youngson, A.F. (2002). Seasonal Patterns of Growth, Expenditure and Assimilation in Juvenile Atlantic Salmon. Journal of Animal Ecology. 71, 916-924. Jordan, W.C., Youngson, A.F. and Webb, J.H. (1990). Genetic variation at the malic enzyme-2 locus and age at maturity in sea-run Atlantic salmon (Salmo salar). Canadian Journal of Fisheries and Aquatic Sciences. 47 (9), 1672-1677. Kirchner, J.W., Tetzlaff, D. and Soulsby, C. (2010). Comparing Chloride and Water Isotopes as Hydrological Tracers in Two Scottish Catchments. Hydrological Processes. 24, 1631-1645. Lang, P. and Murphy K.J. (2014). Ecological distribution of the water grimmia (Schistidium agassizii Sull. & Lesq.), a nationally scarce semiaquatic moss in the U.K., with a new record from an upland tributary of the River Dee, N.E. Scotland. The Glasgow Naturalist (online 2014) Volume 26, Part 1 Langan, S.J., Johnston, L., Donaghy, M.J., Youngson, A.F., Hay, D.W. and Soulsby, C. (2001) Variation in River Water Temperatures in an Upland Stream Over a 30-Year Period. Science of the Total Environment. 265, 195-207. Laudon, H., Buttle, J., Carey, S. K., McDonnell, J., McGuire, K., Seibert, J., Shanley, J., Soulsby, C. and Tetzlaff D. (2012). Cross-regional prediction of long-term trajectory of stream water DOC response to climate change. Geophysical Research Letters. 39, L18404, doi:10.1029/2012GL053033. Malcolm, I.A., Gibbins, C., Soulsby, C., Tetzlaff, D., and Moir, H. J. (2012). The influence of hydrology and hydraulics on salmonids between spawning and emergence: implications for the management of flows in regulated rivers. Fisheries Management and Ecology, 19, 464–474. doi: 10.1111/j.13652400.2011.00836.x Malcolm, I.A., Greig, S.M., Youngson, A.F. and Soulsby, C. (2008). Hyporheic Influences on Salmon Embryo Survival and Performance. American Fisheries Society Symposium. 65, 225-248. Malcolm I.A., Godfrey J., and Youngson A.F. (2010). Review of migratory routes and behaviour of Atlantic salmon, sea trout and European eel in Scotland’s coastal environment: implications for the development of marine renewables. Scottish Marine and Freshwater Science Volume 1 No 14 Malcolm, I.A., Hannah, D.M., Donaghy, M.J., Soulsby, C. and Youngson, A.F. The influence of riparian woodland on the spatial and temporal variability of stream water temperatures in an upland salmon stream. Hydrology and Earth System Sciences [Hydrol. Earth Syst. Sci.]. 2004. 8 (3):449-459. Malcolm, I. A.; Middlemas, C. A.; Soulsby, C.; Middlemas, S. J.; Youngson, A. F. (2010). Hyporheic zone processes in a canalised agricultural stream: implications for salmonid embryo survival. Fundamental and Applied Limnology / Archiv für Hydrobiologie, Volume 176, Number 4, April 2010, pp. 319-336(18) Malcolm, I.A. and Soulsby, C. (2002) Thermal Regime in the Hyporheic Zone of Two Contrasting Salmonid Spawning Streams: Ecological and Hydrological Implications. Fisheries Management and Ecology 9, 1-10. Malcolm, I. A., Soulsby, C., Hannah, D. M., Bacon, P. J., Youngson, A. F. and Tetzlaff, D. (2008). The influence of riparian woodland on stream temperatures: implications for the performance of juvenile salmonids. Hydrol. Process. 22, 968–979. doi: 10.1002/hyp.6996 Malcolm, I.A., Soulsby, C. and Youngson, A.F. (2006). High-frequency logging technologies reveal statedependent hyporheic process dynamics: implications for hydroecological studies. Hydrological Processes. 20 (3), 615-622. Malcolm, I.A., Soulsby, C. and Youngson, A.F. (2002). Thermal regime in the hyporheic zone of two contrasting salmonid spawning streams: ecological and hydrological implications . Fisheries Management and Ecology. 9 (1), 1-10. Malcolm, I.A., Soulsby, C., Youngson, A.F. and Hannah, D.M. (2005). Catchment-scale controls on groundwater-surface water interactions in the hyporheic zone: implications for salmon embryo survival. River Research and Applications. 21 (9), 977-989. Malcolm, I.A., Soulsby, C., Youngson, A.F., Hannah, D.M., McLaren, I.S. and Thorne, A. (2004). Hydrological influences on hyporheic water quality: implications for salmon egg survival. Hydrological Processes. 18 (9), 1543-1560. Malcolm, I.A., Youngson, A.F. and Soulsby, C. (2003). Survival of salmonid eggs in a degraded gravelbed stream: effects of groundwater-surface water interactions. River Research and Applications. 19 (4), 303-316. Malcolm I.A., A. F. Youngson, C. Soulsby, C. Imholt & R. J. Fryer (2011). Is Interstitial Velocity a Good Predictor of Salmonid Embryo Survival? Transactions of the American Fisheries Society. 140, 898-904 McNamara, J. P., Tetzlaff, D., Bishop, K., Soulsby, C., Seyfried, M., Peters, N. E., Aulenbach, B. T. and Hooper, R. (2011). Storage as a Metric of Catchment Comparison. Hydrol. Process., 25: 3364– 3371. doi: 10.1002/hyp.8113 Moir, H and Soulsby, C & Youngson A. F. (1997). Geomorphological and hydraulic controls on Atlantic salmon spawning habitat in a tributary of the River Dee, Scotland. In: Ecohydralics 2000. Proceedings of the 2nd International Symposium on Habitat Hydraulics, Quebec, June 1996. Eds Leclerc, M et al Quebec INRS-Eau. Moir, H.J., Gibbins, C.N., Soulsby, C. and Youngson, A.F. (2005). PHABSIM modelling of Atlantic salmon spawning habitat in an upland stream: testing the influence of habitat suitability indices on model output. River Research and Applications. 21 (9), 1021-1034. Moir, H.J., Soulsby, C. and Youngson, A. (1998). Hydraulic and sedimentary characteristics of habitat utilized by Atlantic salmon for spawning in the Girnock Burn, Scotland. Fisheries Management and Ecology. 5 (3), 241-254. Morrison, B and Buck, R & Hay D. (1978). Electric fishing and protenone treatment of the Girnock East and South Burns. F.W. Series. 8 FW 78. Munro, W. R. (1976). The relationship between Flow and Upstream movement of spawning Salmon on the Girnock Burn, a spawning tributary of the Aberdeenshire Dee. F.W. Series. 15 FW 76 Shackley, P.E. and Donaghy, M.J. (1992). The distribution and growth of juvenile salmon and trout in the major tributaries of the River Dee catchment (Grampian Region). Scottish Fisheries Rresearch Report. Soulsby, C., Malcolm, I. A., Tetzlaff, D. and Youngson, A. F. (2009), Seasonal and inter-annual variability in hyporheic water quality revealed by continuous monitoring in a salmon spawning stream. River Res. Applic. 25, 1304–1319. doi: 10.1002/rra.1241 Soulsby, C., Malcolm, I.A., Youngson, A.F., Tetzlaff, D., Gibbins, C.N. and Hannah, D.M. (2005). Groundwater-Surface Water Interactions in Upland Scottish Rivers: Hydrological, Hydrochemical and Ecological Implications. Scottish Journal of Geology 41, 39-49. Soulsby, C. and Tetzlaff, D. (2008). Towards simple approaches for mean residence time estimation in ungauged basins using tracers and soil distributions. Journal of Hydrology. 363 (1-4), 60-74. Soulsby, C., Tetzlaff, D., van den Bedem, N., Malcolm, I.A., Bacon, P.J. and Youngson, A.F. (2007). Inferring groundwater influences on surface water in montane catchments from hydrochemical surveys of springs and streamwaters. Journal of Hydrology. 333 (2-4), 199-213. Taggart, J.B., Mclaren, I.S., Hay, D.W., Webb, J.H. and Youngson, A.F. (2001). Spawning success in Atlantic salmon (Salmo salar L.): a long-term DNA profiling-based study conducted in a natural stream. Molecular Ecology. 10 (4), 1047-1060. Tetzlaff, D., Birkel, C., Dick, J., Geris, J., and Soulsby C. (2014). Storage dynamics in hydropedological units control hillslope connectivity, runoff generation, and the evolution of catchment transit time distributions. Water Resources Research. 50, 969–985, doi: 10.1002/2013WR014147. Tetzlaff, D., Gibbins, C., Bacon, P.J., Youngson, A.F. and Soulsby, C. (2008). Influence of hydrological regimes on the pre-spawning entry of Atlantic salmon (Salmo salar L.) into an upland river. River Research and Applications. 24 (5), 528-542. Tetzlaff, D., Seibert, J., McGuire, K. J., Laudon, H., Burns, D. A., Dunn, S. M. and Soulsby, C. (2009). How does landscape structure influence catchment transit time across different geomorphic provinces? Hydrol. Process. 23, 945–953. doi: 10.1002/hyp.7240 Tetzlaff, D. and Soulsby, C. (2008). Sources of baseflow in larger catchments - Using tracers to develop a holistic understanding of runoff generation. Journal of Hydrology. 359 (3-4), 287-302. Tetzlaff, D., Soulsby, C., Bacon, P.J., Youngson, A.F., Gibbins, C. and Malcolm, I.A. (2007). Hydrological connectivity between landscapes and riverscapes: influences on fish migration between different habitats. Geophysical Research Abstracts. [np]. Tetzlaff, D., Soulsby, C., Waldron, S., Malcolm, I.A., Bacon, P.J., Dunn, S.M., Lilly, A. and Youngson, A.F. (2007). Conceptualization of Runoff Processes Using a Geographical Information System and Tracers in a Nested Mesoscale Catchment. Hydrological Processes. 21, 1289-1307. Tetzlaff, D., Soulsby, C., Youngson, A.F., Gibbins, C., Bacon, P.J., Malcolm, I.A. and Langan, S. (2005). Variability in stream discharge and temperatures during ecologically sensitive time periods: a preliminary assessment of the implications for Atlantic salmon. Hydrology and Earth System Sciences Discussions. 2 (3), 691-729. Webb, J. and Hawkins, A.D. (1989). The movements and spawning behaviour of adult salmon in the Girnock Burn, a tributary of the Aberdeenshire Dee, 1986. Scottish Fisheries Research Report. Webb, J.H., Gibbins, C.N., Moir, H. and Soulsby, C. (2001). Flow Requirements of Spawning Atlantic Salmon in an Upland Stream: Implications For Water-Resource Management. Journal of the Chartered Institution of Water and Environmental Management. 15, 1-8. Webb, J. H. & Hawkins A. D. (1989). The movements and spawning behaviour of adult Atlantic salmon in the Girnock Burn, a tributary of the Aberdeenshire Dee. Scottish Fisheries Research Report. 40, 42pp. Youngson, A.F., Jordan, W.C. and Hay, D.W. (1994). Homing of Atlantic salmon (Salmo salar L.) to a tributary spawning stream in a major river catchment. Salmonid Smoltification. 4 259-267. Youngson, A.F., Malcolm, I.A., Thorley, J.L., Bacon, P.J. and Soulsby, C. (2004). Long-residence groundwater effects on incubating salmonid eggs: low hyporheic oxygen impairs embryo development. Canadian Journal of Fisheries and Aquatic Sciences. 61 (12), 2278-2287. Youngson, A. F, McLaren, I. S, Hay, D. W, and Smith, G. W & MacLean J. C. (2000). Recent step-wise declines in returns of early-running salmon to the Girnock and Baddoch Burns, monitored tributaries of the River Dee (UK: Scotland). Atlantic Salmon Working Group, Working paper. 10 pp. Youngson, A.F. and Simpson, T.H. (1984). Changes in serum thyroxine levels during smolting in captive and wild Atlantic salmon, Salmo salar L. Journal of Fish Biology. 24, 29-39.