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John Van SickleEnvironmental StatisticianVoice: 541-754-4314 |
Education:
- B.S., Michigan State University, Mathematics, 1969
- M.S., Michigan State University, Mathematics, 1972
- Ph.D., Michigan State University, Systems Science/ Electrical Engineering, 1975
- M.S., Oregon State University, Statistics, 1991
Previous Positions:
- 1992-1998: Environmental statistician, Dynamac Inc. and ManTech Environmental Technology, NHEERL, WED, Corvallis, OR
- 1990-1991: Research Assistant, Global Climate Research Group, USEPA, Corvallis, OR
- 1988-1990: Statistical and modeling consultant
- 1984-1988: Assistant Professor, Dept. Biological Sciences, University of Zimbabwe
- 1983-1984: Assistant Professor, Dept. Mathematics, Oregon State University
- 1982-1983 and 1990: Research Associate, School of Oceanography, Oregon State University
- 1978-1981: Assistant Professor, Dept. Electrical and Computer Engineering, Oregon State University
- 1975-1977: Operations Research Analyst, USEPA, Corvallis, OR
- 1970-1975: Graduate Assistant, Departments of Mathematics and of Electrical Engineering and Systems Science, Michigan State University
Research Interests and Skills:
- Environmental Statistics
- Stream ecosystem modeling
Keywords:
- Discipline: Statistics
- Stressor: Physical/Chemical/Biological
- Methods: Observational Data Analysis
Professional Societies:
- American Statistical Association (ASA)
- North American Benthological Society
Appointments / Honors:
- Courtesy faculty, OSU Dept. of Fisheries and Wildlife
Selected Publications:
- Van Sickle, J. and S.G. Paulsen. 2008. Assessing the attributable risks, relative risks and regional extents of aquatic stressors. . Journal of the North American Benthological Society 27, 920-931.
- Van Sickle, J. 2008. An index of compositional dissimilarity between observed and expected assemblages. Journal of the North American Benthological Society 27, 227-235.
- Van Sickle, J. and C. B. Johnson. 2008. Parametric distance weighting of landscape influence on streams. Landscape Ecology 23, 427-438.
- Van Sickle, J., D.P. Larsen and C.P. Hawkins. 2007. Exclusion of rare
taxa affects
performance of the O/E index in bioassessments. Journal of the North American Benthological Society 26, 319-331. - Peterson, S.A., A.T Herlihy, R.M. Hughes and J. Van Sickle. 2007. Mercury contamination in fish from streams and rivers throughout the western United States. Environmental Science and Technology 41, 58-65.
- Van Sickle, J., J. L. Stoddard, S.G. Paulsen, and A.R. Olsen (2006). Using relative risk to compare the effects of aquatic stressors at a regional scale. Environmental Management 38, 1020-1030
- Van Sickle, J., David D. Huff, and C.P. Hawkins (2006). Selecting discriminant function models for predicting the expected richness of aquatic macroinvertebrates. Freshwater Biology 51, 359-372.
- Van Sickle, J., C.P. Hawkins, D.P. Larsen and A.T. Herlihy. (2005). A null model for the expected macroinvertebrate assemblage in streams.. Journal of the North American Benthological Society 24, 178-191.
- Van Sickle, J., J. Baker, A. Herlihy, P. Bayley, S. Gregory, P. Haggerty, L. Ashkenas, and J. Li. 2004. Projecting the biological condition of streams under alternative scenarios of human land use. Ecological Applications 14(2):368-381.
- Van Sickle, J. 2003. Analyzing correlations between stream and watershed attributes. J. Am. Water Resources Assn. 39(3):717-726.
- Van Sickle, J. and R.M. Hughes. 2000. Classification strengths of ecoregions, catchments, and geographic clusters for aquatic vertebrates in Oregon. J. N. Am. Benthological Soc.19(3):370-384.
- Van Sickle, J. 2000. Modeling variable-width riparian buffers, with an application to woody debris recruitment. Pages 107-112, in P.J. Wigington, Jr., and R.L. Beschta, editors, Riparian Ecology and Management in Multi-Land Use Watersheds, Proc. AWRA Specialty Conference, Portland, OR, Aug. 28-31, 2000.
- Church, M. R. and J. Van Sickle. 1999. Potential relative future effects of sulfur and nitrogen deposition on lake chemistry in the Adirondack Mountains, United States. Water Resource. Res. 35:2199-2211.
- Van Sickle, J. 1997. Using mean similarity dendrograms to evaluate classifications. J. Agricultural, Biological, Environmental Statistics 2:370-388.
- Van Sickle, J., P.J. Wigington, Jr., and M.R. Church. 1997. Estimation of episodic acidification based on monthly or annual sampling. J. Am. Water Resources Assn. 33:1-8.
- Van Sickle, J., J.P. Baker, H.A. Simonin, B.P. Baldigo, W.A. Kretser, W.E. Sharpe. 1996. Episodic acidification of small streams in the Northeast United States III. Effects on fish mortality during bioassays. Ecological Applications 6:408-421.
- Van Sickle, J., and S.V. Gregory. 1990. Modeling inputs of large woody debris to streams from falling trees. Can. J. For. Res. 20:1593-1601.
- Van Sickle, J., C.A.M. Attwell, and G.C. Craig. 1987. Estimating population growth rate from an age distribution of natural deaths. J. Wildl. Manage. 51:941-948.
- Van Sickle, J. and R.L. Beschta. 1983. Supply-based models of suspended sediment transport in streams. Water Resource. Res. 19:768-778.
- Van Sickle, J.: 1982. Stochastic predictions of sediment yields from small coastal watersheds in Oregon, USA. J. Hydrol. 56:309-323.
- Van Sickle, J. 1981. Long-term distributions of annual sediment yields from small watersheds. Water Resource. Res. 17:659-663.