1. Preface

   EditorialNotes Pages: ix - ix

2. Kejimkujik Park — One in a family of integrated watershed studies

   • Floyd C. Elder
   • Hans C. Martin

   OriginalPaper Pages: 1 - 12

3. Precipitation chemistry in Nova Scotia: 1978–1987

   • J. K. Underwood
   • J. G. Ogden III
   • D. H. Waller

   OriginalPaper Pages: 13 - 27

4. An estimation of atmospheric deposition input of sulphur and nitrogen oxides to the Kejimkujik watershed : 1979–1987

   • Alain Sirois
   • Peter W. Summers

   OriginalPaper Pages: 29 - 43

5. Meteorological characteristics of large acidic deposition events at Kejimkujik, Nova Scotia

   • Billie L. Beattie
   • Douglas M. Whelpdale

   OriginalPaper Pages: 45 - 59

6. Impacts of forests on water chemistry

   • M. K. Mahendrappa

   OriginalPaper Pages: 61 - 72

7. Vegetation, soils, and ion transfer through the forest canopy in two Nova Scotia lake basins

   • K. E. Percy

   OriginalPaper Pages: 73 - 86

8. Sources of acidity in forest-floor percolate from a maple-birch ecosystem

   • P. W. Hazlett
   • N. W. Foster

   OriginalPaper Pages: 87 - 97

9. Physical and chemical characteristics of three acidic, oligotrophic lakes and their watersheds in Kejimkujik National Park, Nova Scotia

   • J. Kerekes
   • B. Freedman
   • R. Tordon

   OriginalPaper Pages: 99 - 117

10. Patterns of water chemistry among twenty-seven oligotrophic lakes in Kejimkujik National Park, Nova Scotia

    • B. Freedman
    • J. Kerekes
    • G. Howell

    OriginalPaper Pages: 119 - 130

11. Seasonal variations of water chemistry in oligotrophic streams and rivers in Kejimkujik National Park, Nova Scotia

    • J. Kerekes
    • B. Freedman

    OriginalPaper Pages: 131 - 144

12. Automatic monitoring of short duration snowmelt events in a nova scotia headwater stream

    • G. D. Howell
    • T. A. Springer

    OriginalPaper Pages: 145 - 153

13. Aluminum species in porewaters of Kejimkujik and Mountain Lakes, Nova Scotia

    • Wong H. K. T.
    • J. O. Nriagu
    • K. J. McCabe

    OriginalPaper Pages: 155 - 164

14. Seasonal patterns of mineral and organic acidification in two streams in Southwestern Nova Scotia

    • G. D. Howell

    OriginalPaper Pages: 165 - 175

15. Chemical characterization of several wetlands in Kejimkujik National Park, Nova Scotia

    • J. A. Wood
    • C. D. A. Rubec

    OriginalPaper Pages: 177 - 186

16. Fractional precipitation of humic acid from colored natural waters

    • R. A. Bourbonniere
    • T. van Halderen

    OriginalPaper Pages: 187 - 198

17. Acid-base analysis of dissolved organic matter in surface waters

    • James R. Kramer
    • Pierre Brassard
    • Pamela V. Collins

    OriginalPaper Pages: 199 - 204

18. Chemical and microbial diagenesis of humic matter in freshwaters

    • Thomas A. Clair
    • Felix Bärlocher
    • James R. Kramer

    OriginalPaper Pages: 205 - 211

19. The importance of self-oxidation in decomposition and its dependence on the pH of the environment

    • L. G.-Tóth
    • J. Zlinszky

    OriginalPaper Pages: 213 - 219

20. The influence of organic acidity on the acid-base chemistry of surface waters in Maine, USA

    • J. S. Kahl
    • S. A. Norton
    • R. B. Davis

    OriginalPaper Pages: 221 - 233

21. Finnish lake survey: the role of organic and anthropogenic acidity

    • P. Kortelainen
    • J. Mannio
    • M. Verta

    OriginalPaper Pages: 235 - 249

22. RAIN project: Role of organic acids in moderating ph change following reduction in acid deposition

    • Richard F. Wright

    OriginalPaper Pages: 251 - 259

23. Application of hydrological model to acidified watersheds: A study on Mersey River and Moosepit Brook, Nova Scotia

    • A. G. Bobba
    • D. C. L. Lam

    OriginalPaper Pages: 261 - 275

24. Modeling organic and inorganic acidity in two Nova Scotia rivers

    • D. C. L. Lam
    • A. G. Bobba
    • M. E. Thompson

    OriginalPaper Pages: 277 - 287

25. Spatial characterization of acidification related parameters in sensitive regions of Atlantic Canada

    • S. R. Esterby
    • A. H. El-Shaarawi
    • T. A. Clair

    OriginalPaper Pages: 289 - 303

26. The use of historical information for selecting a sample from a population of lakes

    • A. H. El-Shaarawi
    • S. R. Esterby
    • G. Howell

    OriginalPaper Pages: 305 - 316

27. Diatom-inferred pH history of Kejimkujik Lake, Nova Scotia: A reinterpretation

    • H. C. Duthie

    OriginalPaper Pages: 317 - 322

28. Effects of acidity and doc on phytoplankton community structure and production in three acid lakes (Nova Scotia)

    • S. T. Beauchamp
    • J. Kerekes

    OriginalPaper Pages: 323 - 333

29. Comparison of the macrophyte communities of a clearwater and a brownwater oligotrophic lake in Kejimkujik National Park, Nova Scotia

    • Colin C. Stewart
    • Bill Freedman

    OriginalPaper Pages: 335 - 341

30. Patterns of plankton species, pH and associated water chemistry in Nova Scotia lakes

    • A. C. Blouin

    OriginalPaper Pages: 343 - 358

31. Distribution, abundance and biomass of benthic macroinvertebrates relative to pH and nutrients in eight lakes of Nova Scotia, Canada

    • Valerie A. Schell
    • Joseph J. Kerekes

    OriginalPaper Pages: 359 - 374

32. Ecological and physiological responses of Atlantic salmon in acidic organic rivers of Nova Scotia, Canada

    • Gilles L. Lacroix

    OriginalPaper Pages: 375 - 386

33. Differences in acid tolerance during the early life stages of three strains of brook trout, Salvelinus fontinalis

    • Geoffrey V. Hurley
    • Timothy P. Foyle
    • Wesley J. White

    OriginalPaper Pages: 387 - 398

34. Responses of atlantic salmon (Salmo salar) alevins to dissolved organic carbon and dissolved aluminum at low pH

    • R. H. Peterson
    • R. A. Bourbonnière
    • G. Brun

    OriginalPaper Pages: 399 - 413

35. Water chemistry and phytoplankton communities in acidic clear and brown-water lakes in Eastern Finland

    • V. Ilmavirta
    • P. Huttunen

    OriginalPaper Pages: 415 - 432

36. Announcement

    Announcement Pages: 433 - 433