Selected Publications

Gill, I.D., and J.M. Helfield.  2012. Alternative foraging strategies among bears fishing for salmon: a test of the dominance hypothesis.  Canadian Journal of Zoology 90: 766-775. [link to pdf]

Helfield, J.M., J. Engström, J.T. Michel, C. Nilsson, and R. Jansson.  2012.  Effects of river restoration on riparian biodiversity in secondary channels of the Pite River, Sweden.  Environmental Management 49: 130-141. [pdf]

Michel, J.T., J.M. Helfield, and D.U. Hooper.  2011.  Seed rain and revegetation of exposed substrates following dam removal on the Elwha River.  Northwest Science 85: 15-29. [pdf]

Helfield, J.M., S.J. Capon, C. Nilsson, R. Jansson and D. Palm. 2007. Restoration of rivers used for timber floating: effects on riparian plant diversity. Ecological Applications 17: 840-851.  [pdf]

Helfield, J.M. and R.J. Naiman.  2006.  Keystone interactions:  salmon and bear in riparian forests of AlaskaEcosystems 9: 167-180.  [pdf]

Nilsson, C., F. Lepori, B. Malmqvist, E. Törnlund, N. Hjerdt, J.M. Helfield, D. Palm, J. Östergren, R. Jansson, E. Brännäs, and H. Lundqvist.  2005.  Forecasting environmental responses to restoration of rivers used as log floatways:  an interdisciplinary challenge.  Ecosystems 8: 779-800.  [pdf]

Helfield, J. M. and R. J. Naiman. 2002. Salmon and alder as nitrogen sources to riparian forests in a boreal Alaskan watershed. Oecologia 133: 573-582.  [pdf]

Drake, D. C., R. J. Naiman, and J. M. Helfield. 2002. Reconstructing salmon abundance for rivers: an initial dendrochronological evaluation. Ecology 83: 2971-2977.  [pdf]

Naiman, R. J., R. E. Bilby, D. E. Schindler, and J. M. Helfield. 2002. Pacific salmon, nutrients, and the dynamics of freshwater ecosystems. Ecosystems 5: 399-417.  [pdf]

Helfield, J. M. and R. J. Naiman. 2001. Effects of salmon-derived nitrogen on riparian forest growth and implications for stream productivity. Ecology 82: 2403-2409.  [pdf]

Naiman, R. J., S. R. Elliott, J. M. Helfield and T. C. O’Keefe. 1999. Biophysical interactions and the structure and dynamics of riverine ecosystems: some new perspectives in stream ecology. Hydrobiologia 410: 79-86.

Elliott, S. R., T. A. Coe, J. M. Helfield and R. J. Naiman. 1998. Spatial variation in environmental characteristics of Atlantic salmon (Salmo salar) rivers. Canadian Journal of Fisheries and Aquatic Sciences 55(suppl. 1): 267-280.  [pdf]

Helfield, J. M. and M. L. Diamond. 1997. Use of constructed wetlands for urban stream restoration: a critical analysis. Environmental Management 21: 329-341.  [pdf]


Oct. 2012