The hydrochemistry of plantation spruce forest catchments with brown earth soils, Vyrnwy in mid-Wales

Hydrology and Earth System Sciences

Volumn 8, Issue 3, 2004, Pages 460-484

  Neal, Colin ^a   Reynolds, Brian ^b   Neal, Margaret ^a   Williams, Bronwen ^b  

^a CENTRE FOR ECOLOGY AND HYDROLOGY   (United Kingdom)

^b BANGOR UNIVERSITY   (United Kingdom)

Author keywords

Aluminium; Forestry; Gran alkalinity; Harvesting; Nutrients; Spruce; Trace elements; Vyrnwy; Water quality

Indexed keywords

BROWN SOIL; CLEARCUTTING; FOREST MANAGEMENT; FORESTED CATCHMENT; HYDROCHEMISTRY; STREAMWATER; WATER QUALITY;

EASTERN HEMISPHERE; EURASIA; EUROPE; UNITED KINGDOM; WALES; WESTERN EUROPE; WORLD;

PICEA;

EID: 8644242097     PISSN: 10275606     EISSN: None     Source Type: Journal    
DOI: 10.5194/hess-8-460-2004     Document Type: Article

References (43)

1. Adamson, J.K., Hornung, M., Pyatt, D.G. and Anderson, A.R., 1987. Changes in solute chemistry of drainage waters following clear felling of a Sitka spruce plantation. Forestry, 60, 165-177.
2. Emmett, B.A., Anderson, J.M. and Hornung, M., 1991. Nitrogen sinks following two intensities of harvesting in a Sitka spruce forest (N. Wales) and the effect on the establishment of the next crop. Forest Ecol. Manage., 41, 81-93.
3. Emmett, B.A., Reynolds, B., Stevens, P.A., Norris, D.A., Hughes, S., Gorres, J. and Lubrecht, I., 1993. Nitrate leaching from afforested Welsh catchments - interactions between stand age and nitrogen deposition. Ambio. 22, 386-394.
4. Fahey, T.J., Hill, M.O., Stevens, P.A., Hornung, M. and Rowland, A.P., 1991. Nutrient accumulation in vegetation following conventional and whole-tree harvest of Sitka spruce plantations in North Wales. Forestry, 64, 271-288.
5. Freeman, C., Evans, C.D., Monteith, D.T., Reynolds, B. and Fenner, N., 2001. Export of organic carbon from peat soils. Nature, 412, 785.
6. Good, J.E.G. and Reynolds, B., 2001. The environmental effects of plantation forestry as exemplified by Sitka spruce in Wales. In: Tree Crop Ecosystems (Ecosystems of the World, Vol. 19), F.T. Last (Ed.) Elsevier, Amsterdam. The Netherlands. 193-216.
7. Goulding, K.W.T. and Stevens, P.A., 1988. Potassium reserves in a forested, acid upland soil and the effect on them of clear felling versus whole tree harvesting. Soil Use Manage., 4, 45-51.
8. Hill, T. and Neal, C., 1997. Spatial and temporal variation in pH. Gran alkalinity and conductivitv in surface runoff and ground water for the Upper River Severn catchment. Hydrol. Earth Syst. Sci., 1, 697-716.
9. Hughes, S., Reynolds, B. and Roberts, J.D., 1990. The influence of land management on concentrations of organic carbon and its effects on the mobilisation of aluminium and iron in podzol soils in Mid-Wales. Soil Use Manage., 6, 137-144.
10. Hughes, S., Reynolds, B., Brittain, S.A., Hudson, J.A. and Freeman, C., 1998. Temporal trends in bromide release from a drained gully mire. Soil Use Manage., 14, 248-250.
11. Mackie, A.H., 1987. The geology of the Llyn Brianne area, central Wales. Unpublished PhD Thesis, University of Cambridge, UK. 250pp.
12. Monteith, D.T. and Evans. C.D., 2000. UK Acid Waters Monitoring Network: 10 Year Report. ENSIS Publishing, London, UK. 364pp.
13. National Assemblv for Wales 2000. Woodlands for Wales. The National Assembly for Wales Strategy for Trees and Woodlands, National Assembly for Wales, Cardiff, UK. 49pp
14. Neal, C., 1995. Aluminium speciation variations in an acidic upland stream draining the Hafren spruce forest. Plynlimon, Mid-Wales. J. Hydrol., 164, 39-51.
15. Neal, C., 2002a. Assessing environmental impacts on stream water quality: the use of cumulative flux and cumulative flux difference approaches to deforestation of the Hafren Forest, mid-Wales. Hydrol. Earth Syst. Sci., 6, 421-432.
16. Neal, C., 2002b. Nutrient concentrations and fluxes for podzolic and gley soils at Plynlimon, mid-Wales: implications for modelling inorganic nitrogen and phosphorus in upland UK environments, Hydrol. Earth Syst. Sci., 6, 403-420.
17. Neal, C., 2003. Dissolved beryllium in rainfall, stream and shallow ground waters in the Upper River Severn catchments, Plynlimon. mid-Wales. Sci. Total Envir., In press.
18. Neal, C. and Christophersen, N., 1989. Inorganic aluminium-hydrogen relationships for acidified streams: the role of water mixing processes. Sci. Total Envir., 80, 195-203
19. Neal, C. and Reynolds, B., 1998a. The impact of conifer harvesting and replanting on upland water quality. Research and development technical report P211 to the Environment Agency, UK. Environment Agency, Rivers House, Waterside Drive, Aztec West, Almondsbury, Bristol, BS32 4UD, UK. 137pp.
20. Neal, C. and Reynolds, B., 1998b. The impact of conifer harvesting and replanting on upland water quality. Research and development project record to the Environment Agency. P2/067/1. Main Text, 121pp. P2/007/2, Figures, Tables and Appendices, 102pp. P2/067/3, Compendium of water quality time-series, 84pp. Environment Agency, Rivers House, Waterside Drive, Aztec West, Almondsbury, Bristol, BS32 4UD, UK.
21. Neal, C., Reynolds, B., Stevens, P. and Hornung, M., 1989. Hydrogeochemical controls for inorganic aluminium in acidic stream and soil waters at two upland catchments in Wales. J. Hydrol., 106, 155-175.
22. Neal, C., Reynolds, B., Stevens, P.A., Hornung, M. and Brown, S.J., 1990. Dissolved inorganic aluminium in acidic stream and soil waters in Wales. In: Acid Waters in Wales. R.W. Edwards, A.S. Gee and J.H. Stoner (Eds.). Kluwer, Dordrecht, The Netherlands. 173-188.
23. Neal, C., Smith, C.J., Jeffery, H.A., Harrow, M.L. and Neal, M., 1996. Dissolved chromium pollution in rainfall and surface waters in Mid-Wales during the raid 1980s. Sci. Total Envir., 188, 127-138.
24. Neal, C., Wilkinson, J., Neal, M., Harrow, M., Wickham, H., Hill, L. and Morfitt, C., 1997a. The hydrochemistry of the River Severn, Plynlimon, mid-Wales. Hydrol. Earth Syst. Sci., 1, 583-618.
25. Neal, C., Robson, A.J., Shand, P., Edmunds, W.M., Dixon, A.J., Buckley, D.K., Hill, S., Harrow, M., Neal, M. and Reynolds, B., 1997b. The occurrence of ground water in the lower Palaeozoic rocks of upland Central Wales. Hydrol. Earth Syst. Sci., 1, 3-18.
26. Neal, C., Hill, T., Hill, S. and Reynolds, B., 1997c. Acid neutralization capacity measurements in surface and ground waters in the Upper River Severn. Plynlimon: from hydrograph splitting to water flow pathways. Hydrol. Earth Syst. Sci., 1, 687-696.
27. Neal, C., House, W.A. and Down, K., 1998a. An assessment of excess carbon dioxide partial pressures in natural waters based on pH and Gran alkalinity measurements. Sci. Total Envir., 210 /211, 187-204.
28. Neal, C., Reynolds, B.. Adamson, J.K., Stevens, P.A., Neal, M., Harrow: M.L. and Hill, S., 1998b. Analysis of the impacts of major anion variations on surface water acidity: case studies from Wales and Northern England. Hydrol. Earth Syst. Sci., 2, 303-322.
29. Neal, C., Reynolds, B., Wilkinson, R.J., Hill, T., Neal, M., Hill, S. and Harrow, M.L., 1998c. The impacts of conifer harvesting on runoff water quality: a regional survey for Wales. Hydrol. Earth Syst. Sci., 2, 323-344.
30. Neal, C., Neal, M., Wickham, H. and Harrow, M., 2000. The water quality of a tributary of the Thames, the Pang, southern England. Sci. Total Envir., 251/252, 459-476.
31. Neal, C., Reynolds, B., Neal, M., Pugh, B., Hill, L. and Wickham, H., 2001. Long term changes in the water quality of rainfall. cloud-water and stream water for moorland, forested and clear-felled catchments at Plynlimon. mid-Wales. Hydrol. Earth Syst. Sci., 5, 459-476.
32. Neal, C., Reynolds, B., NeaL M., Hill, L., Wickham, H. and Pugh, B., 2003. Nitrogen in rainfall, cloud water, throughfall, stemflow, stream water and ground water for the Plynlimon catchments of mid-Wales. Sci. Total Envir., 121-152.
33. Neal, C., Reynolds, B., Neal, M., Wickham, H., Hill, L. and Williams, B., 2004a. The water quality of streams draining a plantation forest on gley soils: the Nant Tanllwyth, Plynlimon mid-Wales. Hydrol. Earth Syst. Sci., 8, 485-502.
34. Neal, C., Reynolds, B., Neal, M., Wickham, H., Hill, L. and Williams, B., 2004b. The impact of conifer harvesting on stream water quality: the Afon Hafren, mid-Wales. Hydrol. Earth Syst. Sci., 8, 503-520.
35. Reynolds, B., Lowe, J.A.H., Smith, R.I., Norris, D.A., Fowler, D., Bell, S.A., Stevens, P.A. and Onnerod, S.J., 1999. Acid deposition in Wales: the results of the 1995 Welsh Acid Waters Survey. Envir Pollut., 105, 251-266.
36. Reynolds, B., Stevens, P.A., Brittain, S.A., Norris, D.A., Hughes, S. and Woods, C., 2004. Long-term changes in precipitation and stream water chemistry in small forest and moorland catchments at Beddgelert Forest. north Wales. Hydrol. Earth Syst. Sci., 8, 436-448.
37. Schecher, W.D. and Driscoll, C.T., 1988. An evaluation of the equilibrium calculations within acidification models. The effects of uncertainty in measured chemical components. Water Resour. Res., 24, 533-540.
38. Stevens, P.A. and Hornung, M., 1988. Nitrate leaching from a felled Sitka spruce plantation in Beddgelert forest, North Wales. Soil Use Manage., 4, 3-9.
39. Stevens, P.A. and Hornung, M., 1990. Effects of forest harvesting and ground flora re-establishment on inorganic-N leaching from a Sitka spruce plantation in north Wales, UK. Biogeochemistry, 10, 53-65.
40. Stevens, P.A., Adamson, J.K., Anderson, M.A. and Hornung, M. 1988. Effects of clear felling on surface water quality and site nutrient status. In: Ecological Change in the Uplands. M.B. Usher and D.B.A. Thompson (Eds.), British Ecological Society Special Publication no. 7, Blackwell, Oxford, UK. 289-294.
41. Stevens, P.A., Norris, D.A., Sparks, T.H. and Hodgson, A.L., 1994. The impacts of atmospheric N inputs on throughfall, soil and stream water interactions for different aged forest and moorland catchments in Wales. Water Air Soil Pollut., 73, 297-317.
42. UK Government 1994. Sustainable Forestry: the UK Programme, HMSO, London, UK.
43. Wilkinson, J., Reynolds, B., Neal, C., Hill, S., Neal, M. and Harrow, M., 1997. Major, minor and trace element composition of mist and rainwater at Plynlimon, mid-Wales. Hydrol. Earth Syst. Sci. 1, 557-570.