Irena CreedFaculty of Science

Journal Articles

89. Krantzberg G, Creed IF, Friedman KB, Laurent KL, Jackson JA, Brammeier J, Scavia D.  Community engagement is critical to achieve a thriving and prosperous future for the Great Lakes-St. Lawrence River Basin. Journal of Great Lakes Research. Special Issue on the Great Lakes Futures Project.

88. Friedman KB, Laurent KL, Krantzberg G, Scavia D, Creed IF. In Press. The Great Lakes Futures Project: Principles and policy recommendations for making the lakes great. Journal of Great Lakes Research. Special Issue on the Great Lakes Futures Project.

87. Laurent KL, Scavia D, Friedman KB, Krantzberg G, Creed IF. In Press. Critical forces defining alternative futures for the Great Lakes St. Lawrence River basin. Journal of Great Lakes Research. Special Issue on the Great Lakes Futures Project.

86. Steenberg J, Timm M, Laurent KL, Friedman KB, Krantzberg G, Scavia D, Creed IF. Living on the Edge: How we converted challenges into profitable opportunities. Journal of Great Lakes Research. Special Issue on the Great Lakes Futures Project.

85. Kalafatis S, Campbell M, Fathers F, Laurent KL, Friedman KB, Krantzberg G, Scavia D, Creed IF. Out of Control: How we failed to adapt and suffered the consequences. Journal of Great Lakes Research. Special Issue on the Great Lakes Futures Project.

84. Comer B, Fera S, Splawinski S, Laurent KL*, Friedman KB, Krantzberg G, Scavia D, Creed IF.  Thriving and prosperous: How we rallied to confront collective challenges. Journal of Great Lakes Research. Special Issue on the Great Lakes Futures Project.

83. Orr C, Williams K, Laurent KL, Friedman KB, Krantzberg G, Scavia D, Creed IF. Trying hard to adapt to a chaotic world: How complex challenges overwhelmed our best intentions. Journal of Great Lakes Research. Special Issue on the Great Lakes Futures Project.

82. Laurent KL, Friedman KB, Krantzberg G, Scavia D, Creed IF. Scenario analysis: an integrative and effective method for bridging disciplines and achieving a thriving Great Lakes-St. Lawrence River basin. Journal of Great Lakes Research. Special Issue on the Great Lakes Futures Project.

81. Morse JL, Duran J, Beall F, Creed IF, Enanga EM, Fernandez I, Groffman PM. Soil denitrification fluxes from three northeast American forests representing a range of nitrogen deposition. Oecologia.

80. Koo K-A, Patten BC, Teskey RO, Creed IF. Climate change effects on red spruce decline mitigated by reduction in air pollution within its shrinking habitat range. Ecological Modelling. [PDF]

79. Sass GZ, Creed IF, Riddell J, Bayley S. 2014. Regional-scale mapping of groundwater discharge zones using thermal satellite imagery. Hydrological Processes 28: 5662-5673. [PDF]

78. Henley P, Lowthers M, Koren G, Tsimbiri Fedha P, Russell E, Van Uum S, Arya S, Darnell R, Creed IF, Trick CG, Bend JR. 2014. Cultural and socio-economic conditions as factors contributing to chronic stress in sub-Saharan African communities. Canadian Journal of Physiology and Pharmacology 92: 725-732. [PDF]

77. Creed IF, Spargo AT, Jones JA, Buttle JM, Adams MB, Beall FD, Booth EG, Campbell JL, Clow DW, Elder K, Green MB, Grimm NB, Miniat C, Ramal PS, Saha AK, Sebestyen SD, Spittlehouse D, Sterling S, Williams MW, Winkler R, Yao H. 2014. Changing forest water yields in response to climate warming: Results from long-term experimental watershed sites across North America. Global Change Biology 20: 3191-3208. [PDF]

76. Webster KL, Creed IF, Malakoff T, Delaney K. 2014. Potential vulnerability of deep carbon deposits of forested swamps to drought. Soil Science Society of America Journal 78: 1097-1107. [PDF]

75. Sorichetti RJ, Creed IF, Trick CG. 2014. The influence of iron, siderophores and refractory DOM on cyanobacterial biomass in oligotrophic lakes. Freshwater Biology 59: 1423-1436. [PDF]

74. Clare S, Creed IF. 2014. Tracking wetland loss to improve evidence-based wetland policy learning in Alberta, Canada. Wetland Ecology and Management 22: 235-245. [PDF]

73. Molot L, Watson SB, Creed IF, Trick CG, McCabe SK, Verschoor MJ, Sorichetti RJ, Powe C, Venkiteswan JJ, Schiff SL. 2014. A novel model for cyanobacteria bloom formation: The critical role of anoxia and ferrous iron. Freshwater Biology 59: 1323-1340. [PDF]

72. Sorichetti RJ, McLaughlin JT*, Creed IF, Trick CG. 2014. Suitability of a cytotoxicity assay for detection of potentially harmful compounds produced by freshwater bloom-forming algae. Harmful Algae 31: 177-187. [PDF]

71. Sorichetti RJ, Creed IF, Trick CG. 2014. Evidence for iron-regulated cyanobacterial predominance in oligotrophic lakes. Freshwater Biology 59: 679-691. [PDF]

70. Mengistu SG, Creed IF, Webster KL, Enanga EM. 2014. Searching for similarity in topographic controls on carbon, nitrogen and phosphorus export from forested headwater catchments. Hydrological Processes 28: 3201-3216. [PDF]

69. Kreutzweiser D, Beall F, Webster KL, Thompson D, Creed IF. 2013. Impacts and prognosis of natural resource development on aquatic biodiversity in Canada’s boreal forest. Environmental Reviews 21: 227-259. [PDF]

68. Creed IF, Miller JF, Aldred DA, Adams J, Spitale S, Bourbonniere RA. 2013. Hydrologic profiling for greenhouse gas effluxes from natural grasslands in the prairie pothole region of Canada. Journal of Geophysical Research – Biogeosciences 118: 680-697. [PDF] Selected as an Eos Research Spotlight [link]

67. Mengistu SG, Quick CG, Creed IF. 2013. Nutrient export from catchments on forested landscapes reveal complex non-stationary and stationary climate signals. Water Resources Research 49: 3863-3880. [PDF]

66. Mengistu SG, Creed IF, Kulperger RJ, Quick C. 2013. Russian nesting dolls effect – Using wavelet analysis to reveal non-stationary and nested stationary signals in water yield from catchments on a northern forested landscape. Hydrological Processes 27: 669-686. Invited contribution to Special Issue: “Catchments of the future North: creating science for management in 2050.” [PDF]

65. Creed IF, Webster KL, Braun GL, Bourbonniere RA, Beall FD. 2013. Topographically regulated traps of dissolved organic carbon create hotspots of carbon dioxide efflux from forest soils. Biogeochemistry 112: 149-164. [PDFSelected for F1000Prime by P Groffman (Cary Institute of Ecosystem Studies).

64. Kerr JG, Eimers C, Creed IF, Adams MB, Beall F, Campbell J, Christopher S, Clair T, Courschesne F, Duchesne L, Fernandez I, Houle D, Jeffries D, Likens G, Mitchell M, Shanely J, Yao H. 2012. The effect of seasonal drying on sulphate dynamics in streams across southeastern Canada and northeastern USA. Biogeochemistry 111: 393-409. [PDF]

63. Rooney RC, Bayley SE, Creed IF, Wilson MJ. 2012. The accuracy of land cover-based wetland assessments is influenced by landscape event. Landscape Ecology 27: 1321-1335. [PDF]

62. Jones JA, Creed IF, Hatcher K, Warren R, Benson M, Boose E, Brown W, Campbell J, Covich A, Clow D, Dahm C, Elder K, Ford C, Grimm N, Henshaw D, Larson K, Miles E, Moore K, Sebestyen S, Stone A, Vose J, Williams M. 2012. Water supply sensitivity and ecosystem resilience to land use change, climate change, and climate variability at long-term ecological research sites. Bioscience 62: 390-404. Invited contribution to Special Issue on the US Long-Term Ecological Research Network. [PDF]

61. Sass GZ, Aldred DA, Wheatley M, Gould J, Creed IF. 2012. Protected areas: a hydrological approach for defining boundaries based on archived radar imagery. Biological Conservation 147: 143-152. [PDF]

60. Powers L, Creed IF, Trick CG. 2012. Sinking of Heterosigma akashiwo results in increased toxicity of this harmful algal bloom species. Harmful Algae 13 95-104. [PDF]

59. Creed IF, Sass GZ. 2011. Digital terrain analysis approaches for tracking hydrological and biogeochemical pathways and processes in forested landscapes. In Levia DF, Carlyle-Moses DE, Tanaka T (Eds). Forest Hydrology and Biogeochemistry: Synthesis of Past Research and Future Directions. Ecological Studies Series, No. 216, Springer-Verlag, Heidelberg, Germany. pp. 69-100. Invited Book Chapter [PDF]

58. Sass GZ, Creed IF. 2011. Bird’s eye view of forest hydrology: Novel approaches using remote sensing techniques. In Levia DF, Carlyle-Moses DE, Tanaka T (Eds). Forest Hydrology and Biogeochemistry: Synthesis of Past Research and Future Directions. Ecological Studies Series, No. 216, Springer-Verlag, Heidelberg, Germany. pp. 45-68. Invited Book Chapter [PDF]

57. Gala TS, Aldred DA, Carlyle S, Creed IF. 2011. Improved performance of models for predicting soil moisture using physically-based spatially averaging of synthetic aperture radar data. Remote Sensing of Environment. 115: 3507-3516. [PDF]

56. Chasmer L, Kljun N, Hopkinson C, Brown S, Milne T, Giroux K, Barr A, Devito KJ, Creed IF, Petrone R. 2011. Characterizing vegetation structural and topographic characteristics sampled by eddy covariance within two mature aspen stands using LiDAR and a flux footprint model: Scaling to MODIS. Journal of Geophysical Research (Biogeosciences) 116: G02026. [PDF]

55. Creed IF, Sass GZ, Buttle JM, Jones JA. 2011. Hydrological principles for sustainable management of forest ecosystems. Hydrological Processes 25: 2152-2160. Invited. [PDF]

54. Webster KL, Creed IF, Beall FD, Bourbonniere RA. 2011. A topographic template for estimating soil carbon pools in forested landscapes. Geoderma 160: 457-467. [PDF]

53. Koo K, Patten BC, Creed IF. 2011. A tree-growth systems model discriminates elevation-dependent causes of Picea rubens growth declines in the Great Smoky Mountains National Park. Canadian Journal of Forest Research 41: 945-962. [PDF]

52. Enanga EM, Shivoga WA, Maina-Gichaba C, Creed IF. 2011. Effectiveness of riparian buffer strips in mitigating changes in soil properties related to land use activities, in River Njoro watershed, Kenya. Water, Air and Soil Pollution 218: 587-601. [PDF]

51. Jones JA, Achterman GL, Augustine LA, Creed IF, Ffolliott PF, MacDonald L, Wemple BC. 2009. Hydrologic effects of a changing forested landscape – Challenges for the hydrological sciences. Hydrological Processes 23: 2699-2704, doi: 10.1002/hyp.7404. Invited. [PDF]

50. Creed IF, Beall FD. 2009. Distributed topographic indicators for predicting nitrogen export from headwater catchments. Water Resources Research 45: W10407. [PDF]

49. Buttle JM, Creed IF, Moore RD. 2009. Advances in Canadian forest hydrology, 2003-2007. Canadian Water Resources Journal 34: 113-126. Invited. [PDF]

48. O’Connor EM, Dillon PJ, Molot LA, Creed IF. 2009. Modelling dissolved organic carbon mass balances for lakes of the Muskoka River Watershed. Hydrology Research 40: 273-290. [PDF]

47. Krougly ZL, Creed IF, Stanford DA. 2009. A stochastic model for generating disturbance patterns within landscapes. Computers and Geosciences 35: 1451-1459. [PDF]

46. Webster KL, Creed IF, Skowronski MD, Kaheil YH. 2009. Comparison of the performance of statistical models that predict soil respiration from forests. Soil Science Society of America Journal 73: 1157-1167. [PDF]

45. Kaheil YH, Creed IF. 2009. Detecting and downscaling wet areas on boreal landscapes. IEEE Geoscience and Remote Sensing Letters 6: 179-183. [PDF]

44. Clark RB, Sass GZ, Creed IF. 2009. Mapping hydrologically sensitive areas on the Boreal Plain: a multitemporal analysis of ERS synthetic aperture radar data. International Journal of Remote Sensing 30: 2619-2635. [PDF]

43. Creed IF, Beall FD, Clair TA, Dillon PJ, Hesslein RH. 2008. Predicting export of dissolved organic carbon from forested catchments in glaciated landscapes with shallow soils. Global Biogeochemical Cycles 22: GB4024. [PDF]

42. Creed IF, Sass GZ, Wolniewicz MB, Devito KJ. 2008. Incorporating hydrologic dynamics into buffer strip design on the sub-humid Boreal Plain of Alberta. Forest Ecology and Management 256: 1984-1994. [PDF]

41. Krezek CC, Buttle JM, Beall FD, Moore RD, Creed IF, Sibley PK, Silins U, Devito KJ, Mendoza CA. 2008. HydroEcological Landscapes and Processes Project: A national scale forest hydrology initiative. Streamline Bulletin 12: 33-38. [PDF]

40. Webster KL, Creed IF, Beall FD, Bourbonniere RA. 2008. Sensitivity of catchment aggregated estimates of soil carbon dioxide efflux to topography under different climatic conditions. Journal of Geophysical Research (Biogeosciences) 113: G03040. [PDF]

39. Webster KL, Creed IF, Beall FD, Bourbonniere RA. 2008. Controls on the heterogeneity of soil respiration in a tolerant hardwood forest. Journal of Geophysical Research (Biogeosciences) 113: G03040. [PDF]

38. Sass GZ, Creed IF, Devito KJ. 2008. Spatial heterogeneity in trophic status of shallow lakes on the Boreal Plain: the influence of hydrologic setting. Water Resources Research 44: W08444. [PDF]

37. Sass GZ, Creed IF, Bayley SE, Devito KJ. 2008. Inter-annual variability in trophic status of shallow lakes on the Boreal Plain: is there a climate signal? Water Resources Research 44: W08443. [PDF]

36. Sass GZ, Creed IF. 2008. Characterizing hydrodynamics on boreal landscapes using archived synthetic aperture radar imagery. Hydrological Processes 22: 1687-1699. [PDF]

35. Khalil AF, Kaheil YH, Gill KM, McKee M, Creed IF. 2008. Application of learning machines and combinational algorithms in water resources management and hydrologic sciences. In H Peters, M Vogel [Eds.] Machine Learning Research Progress. New York, Nova Publishers.  ISBN: 978-1-60456-646-8.

34. Sanford SE, Creed IF, Tague CL, Beall FD, Buttle JM. 2007. Scale-dependence of natural variability of flow regimes in a forested landscape. Water Resources Research 43: W08414. [PDF]

33. Bayley SE, Creed IF, Sass GZ, Wong AS. 2007. Frequent regime shifts in trophic states in shallow lakes on the Boreal Plain: Alternative “unstable” states? Limnology and Oceanography 52: 2002-2012. [PDF]

32. Sass GZ, Creed IF, Bayley SE, Devito KJ. 2007. Understanding variation in trophic status of lakes on the Boreal Plain: A 20 year retrospective using Landsat TM imagery. Remote Sensing of Environment 109: 127-141. [[PDF]

31. Macrae ML, Devito KJ, Creed IF, Macdonald E. 2006. Relation of soil-, surface-, and ground-water distributions of inorganic nitrogen with topographic position in harvested and unharvested portions of an aspen-dominated catchment in the Boreal Plain. Canadian Journal of Forest Research 36: 2090-2103. [PDF]

30. Hopkinson C, Chasmer L, Lim K, Tretiz P, Creed IF. 2006. Towards a universal lidar canopy height indicator. Canadian Journal of Remote Sensing 32:139-152. [PDF]

29. Lindsay JB, Creed IF. 2006. Distinguishing actual and artefact depressions in digital elevation data: Approaches and Issues. Computational Geosciences 32: 1192-1204. [PDF]

28. Bourbonniere RA, Creed IF. 2006. Biodegradability of dissolved organic matter leached from a chronosequence of forest floor materials. Plant Nutrition and Soil Science (Special Issue from the DOM 2004 International Workshop: Dissolved Organic Matter and the Cycling of Carbon, Nutrients and Metals, October 3-6, Bayreuth, Germany). 169: 101-107. [PDF]

27. Devito KJ, Creed IF, Gan T, Mendoza C, Petrone R, Silins U, Smerdon B. 2005. A framework for broad-scale classification of hydrologic response units on the Boreal Plain: Is topography the first or last thing to consider? Hydrological Processes 19: 1705-1714. Invited. [PDF]

26. Foster N, Spoelstra J, Hazlett P, Schiff S, Beall FD, Creed IF, Semkin R, David C. 2005. Heterogeneity in nitrogen cycling within soils in first-order forested catchments at the Turkey Lakes Watershed. Canadian Journal of Forest Research 35: 797-805. [PDF]

25. Hopkinson CD, Chasmer LE, Sass GZ, Creed IF, Sitar M, Treitz P. 2005. Vegetation class dependent errors in lidar ground elevation and canopy height estimates in a boreal wetland environment. Canadian Journal of Remote Sensing 31: 191-206. [PDF]

24. Macrae ML, Redding TE, Creed IF, Bell WR, Devito KJ. 2005. Soil, surface water and ground water phosphorus relationships in a partially harvested Boreal Plain aspen catchment. Forest Ecology and Management 206: 315-329. [PDF]

23. Yao H, Creed IF. 2005. Determining spatially-distributed annual water balances for ungauged locations on Shikoku Island, Japan: A comparison of two interpolators. Hydrological Sciences Journal 50: 245-263. [PDF]

22. Devito KJ, Creed IF, Fraser CJD. 2005. Controls on runoff from a partially harvested aspen-forested headwater catchment, Boreal Plain, Canada. Hydrological Processes 19: 3-25. [PDF]

21. Lindsay JB, Creed IF. 2005. Removal of artefact depressions from digital elevation models: towards a minimum impact approach. Hydrological Processes 19: 3113-3126. [PDF]

20. Lindsay JB, Creed IF. 2005. Sensitivity of digital landscapes to artefact depressions in remotely-sensed DEMs. Photogrammetric Engineering and Remote Sensing 71: 1029-1036. [PDF]

19. Buttle JM, Creed IF, Moore RD. 2005. Advances in Canadian forest hydrology, 1999 – 2003. Hydrological Processes 19: 169-200. Invited. [PDF]

18. Lindsay JB, Creed IF, Beall FD. 2004. Drainage basin morphometrics for depressional landscapes. Water Resources Research 40: W09307. [PDF]

17. Webster KL, Creed IF, Nicholas NS, Van Miegroet H. 2004. Exploring interactions between pollutant emissions and climatic variability in growth of red spruce in the Great Smoky Mountains National Park. Water, Air and Soil Pollution 159: 225-248. [PDF]

16. Creed IF, Morrison DL, Nicholas NS. 2004. Is coarse wood debris a net sink or source of nitrogen in the red spruce-Fraser fir forest of the southern Appalachians, USA? Canadian Journal of Forest Research 34: 716-724. [PDF]

15. Creed IF, Webster KL, Morrison DL. 2004. A comparison of techniques for measuring density and concentrations of carbon and nitrogen in coarse woody debris at different stages of decay. Canadian Journal of Forest Research 34: 744-753. [PDF]

14. Creed IF, Sanford SE, Beall FD, Molot LA, Dillon PJ. 2003. Cryptic wetlands: Integrating hidden wetlands into models of dissolved organic carbon export. Hydrological Processes 17: 3629-3648. [PDF]

13. Barker M, Van Miegroet H, Nicholas NS, Creed IF. 2002. Variation in overstory nitrogen uptake in a small, high-elevation southern Appalachian spruce-fir watershed. Canadian Journal of Forest Research 32: 1741-1752. [PDF]

12. Creed IF, Trick CG, Band LE, Morrison IK. 2002. Characterizing the spatial heterogeneity of soil carbon and nitrogen pools in the Turkey Lakes Watershed: A comparison of regression techniques. Water, Air and Soil Pollution. FOCUS 2: 81-102. [PDF]

11. Trick CG, Creed IF, Henry MF, Jeffries DS. 2002. Longitudinal trends in diatom assemblages within pools and riffles in a forested watershed containing a series of interconnected lakes. Water, Air and Soil Pollution. FOCUS 2: 103-128. [PDF]

10. Buttle JM, Hazlett PW, Murray CD, Creed IF, Jeffries DS, Semkin R. 2001. Groundwater residence times in forested and harvested basins during spring snowmelt using a topographic index. Hydrological Processes 15: 3389-3407. [PDF]

9. Van Miegroet H, Creed IF, Nicholas NS, Tarboton DG, Webster KL, Shubzda J, Robinson B, Smoot J, Johnson DW, Lindberg SE, Nodvin S, Moore S. 2001. Is there synchronicity in nitrogen input and output fluxes at the Noland Divide Watershed, a small N-saturated forested catchment in the Great Smoky Mountains National Park? In Optimizing Nitrogen Management in Food and Energy Production and Environmental Protection: Proceedings of the 2nd International Nitrogen Conference on Science and Policy. The Scientific World 1(S2): 480-492. [PDF]

8. Buttle JM, Creed IF, Pomeroy JW. 2000. Advances in Canadian forest hydrology, 1995-1998. Hydrological Processes 14: 1551-1578. Invited. [PDF]

7. Devito KJ, Creed IF, Rothwell RL, Prepas EE. 2000. Landscape controls on the loading of phosphorus to boreal lakes following a timber harvest: A physical basis for adaptive buffer strip strategies. Canadian Journal of Fisheries and Aquatic Sciences 57: 1977-1984. [PDF]

6. Creed IF, Band LE. 1998. Export of nitrogen from catchments within a temperate forest: Evidence for a unifying mechanism regulated by variable source area dynamics. Water Resources Research 34: 3105-3120. [PDF]

5. Creed IF, Band LE. 1998. Exploring functional similarity in the export of nitrate-N from forested catchments: A mechanistic modelling approach. Water Resources Research 34: 3079-3093. [PDF]

4. Band LE, Mackay DS, Creed IF, Semkin RS, Jeffries DS. 1996. Ecosystem processes at the watershed scale: Sensitivity to climate change. Limnology and Oceanography 41: 928-938. [PDF]

3. Creed IF, Band LE, Foster NW, Morrison IK, Nicolson JA, Semkin RS, Jeffries DS. 1996. Regulation of nitrate-N release from temperate forests: a test of the N flushing hypothesis. Water Resources Research 32: 3337-3354. [PDF]

2. MacDonald D, Creed IF. 1995. Acid precipitation: Aquatic impacts. In R. Paehlke [Ed.] The Encyclopedia of Conservation and Environmentalism. New York: Garland Publishing Inc.

1. Creed IF, Havas M, Trick CG. 1990. Effects of arsenate on the growth of nitrogen- and phosphorus-limited Chlorella vulgaris isolates. Journal of Phycology 26: 641-650. [PDF]