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Roy, Allison

Research Assistant Professor

Ph.D., The University of Georgia
Assistant Unit Leader – Fisheries
US Geological Survey
Massachusetts Cooperative Fish and Wildlife Research Unit

Phone: 413-545-4895
Room 317 Holdsworth
Email: aroy
Coop Unit Website
Google Scholar Profile
Massachusetts Biennial Report 2012-2013
Massachusetts Biennial Report 2014-2015
Massachusetts Biennial Report 2016-2017

Primary interests

My research broadly revolves around characterizing anthropogenic impacts on aquatic ecosystems and identifying conservation strategies for effectively protecting and restoring watersheds. The growing human population continues to constrain biotic assemblages in a variety of ways, and understanding the mechanisms by which urbanization and its associated stressors result in degraded fish assemblages is an overarching challenge of my research program. I am interested in examining effects of altered hydrology, temperature, habitat, water quality, and food resources on stream fishes; quantifying sublethal (e.g., behavior, physiology) responses of fishes to urbanization; and assessing potential for management (e.g., forested riparian buffers, green infrastructure, dam removal) to restore fish assemblages.

Current Projects

• Brook floater conservation and restoration initiative

• Effects of dam removal on stream ecosystems

• Feasibility and uses for freshwater mussel culture in Massachusetts

• Urbanization and Massachusetts streams: unpacking the biological effects of impervious cover

• Making decisions in complex landscapes: headwater stream management across multiple agencies

• Evaluating freshwater productivity and sampling approaches for juvenile river herring in freshwater lakes and ponds

• Impacts of surface water supply reservoirs on stream flow and biology in small Massachusetts watersheds

• Investigating impacts of lake drawdowns on fish and wildlife

Selected Recent Publications

Roy, A.H., K.A. Capps, R.W. El-Sabaawi, K.L. Jones, T.B. Parr, A. Ramirez, R.F. Smith, C.J. Walsh, and S.J. Wenger. 2016. Urbanization and stream ecology: Diverse mechanisms of change. Freshwater Science 35:272-277.

Booth, D.B., A.H. Roy, B. Smith, and K.A. Capps. 2016. Global perspectives on the urban stream syndrome. Freshwater Science 35:412-420.

Bhaskar, A.S., L. Beesley, M.J. Burns, T.D. Fletcher, P. Hamel, C.E. Oldham, and A.H. Roy. 2016. Will it rise or will it fall? Managing the complex effects of urbanization on baseflow. Freshwater Science 35:293-310.

Walsh, C.J., D.B. Booth, M.J. Burns, T.D. Fletcher, R.L. Hale, L.N. Hoang, G. Livingston, M.A. Rippy, A.H. Roy, M. Scoggins, and A. Wallace. 2016. Principles for urban stormwater management to protect stream ecosystems. Freshwater Science 35:398-411.

Roy, A.H., L.K. Rhea, A.L. Mayer, W.D. Shuster, J.J. Beaulieu, M.E. Hopton, M.A. Morrison, A. St. Amand. 2014. How much is enough? Minimal responses of water quality and stream biota to partial retrofit stormwater management in a suburban watershed. PLoS ONE 9: e85011. doi:10.1371/journal.pone.0085011

Shuster, W.D., A.S. Garmestani, O.O. Green, L.K. Rhea, A.H. Roy, and H.W. Thurston. 2013. Catchment scale stormwater management via economic incentives – an overview and lessons learned. Proceedings of the 8th International Conference Novatech, 23-27 June 2013, Lyon, France.

Mayer, A.L., W.D. Shuster, J.J. Beaulieu, M.E. Hopton, L.K. Rhea, A.H. Roy, and H.W. Thurston. 2012. Building green infrastructure via citizen participation: a six-year study in the Shepherd Creek (Ohio). Environmental Practice 14:57-67.

Thurston, H.W., M.A. Taylor, W.D. Shuster, A.H. Roy, and M.A. Morrison. 2010. Using a reverse auction to promote household level stormwater control. Environmental Science and Policy 13:405-414.

Roy, A.H., M.J. Paul, and S.J. Wenger. 2010. Chapter 16: Urban Stream Ecology. Pages 341-352 In J A Aitkenhead-Peterson and A Volder (eds). Urban Ecosystem Ecology. Agronomy Monograph 55, American Society of Agronomy, Madison, WI.

Roy, A.H., A.H. Purcell, C.J. Walsh, and S.J. Wenger. 2009. Urbanization and stream ecology: five years later. Journal of the North American Benthological Society 28(4):908-910.

Roy, A.H., A.L. Dybas, K.M. Fritz, and H.R. Lubbers. 2009. Patterns of headwater stream loss with urbanization. Journal of the North American Benthological Society 28(4):911-928.

Wenger, S.J., A.H. Roy, C.R. Jackson, E.S. Bernhardt, T.L. Carter, S. Filoso, C.A. Gibson, N.B. Grimm, W.C. Hession, S.S. Kaushal, E. Marti, J.L. Meyer, M.A. Palmer, M.J. Paul, A.H. Purcell, A. Ramirez, A.D. Rosemond, K.A. Schofield, T.R. Schueler, E.B. Sudduth, and C.J. Walsh. 2009. Twenty-six priority urban stream ecology research questions. Journal of the North American Benthological Society 28(4):1080-1097.

Walters, D.M., A.H. Roy, and D.S. Leigh. 2009. Environmental indicators of macroinvertebrate and fish assemblage integrity in urbanizing watersheds. Environmental Indicators 9:1222-1233.

Roy, A.H. and W.D. Shuster. 2009. Assessing impervious surface connectivity and applications for watershed management. Journal of the American Water Resources Association 45:198-209.

Roy, A.H., S.J. Wenger, T.D. Fletcher, C.J. Walsh, A.R. Ladson, W.D. Shuster, H.W. Thurston, and R.R. Brown. 2008. Impediments and solutions to sustainable, watershed-scale urban stormwater management: lessons from Australia and the United States. Environmental Management 42:344-359.

Roy, A.H., B.J. Freeman, and M.C. Freeman. 2007. Riparian influences on stream fish assemblage structure in urbanizing streams. Landscape Ecology 22:385-402.

Roy, A.H., M.C. Freeman, B.J. Freeman, S.J. Wenger, W.E. Ensign, and J.L. Meyer. 2006. Importance of riparian forests in urbanizing watersheds contingent on sediment and hydrologic regimes. Environmental Management 37:523-539.

Roy, A.H., C.L. Faust, M.C. Freeman, and J.L. Meyer. 2005. Reach-scale effects of riparian forest cover on urbanizing stream ecosystems. Canadian Journal of Fisheries and Aquatic Sciences 62:2312-2329.

Roy, A.H., M.C. Freeman, B.J. Freeman, S.J. Wenger, W.E. Ensign, and J.L. Meyer. 2005. Investigating hydrologic alteration as a mechanism of fish assemblage shifts in urbanizing streams. Journal of the North American Benthological Society 24:656-678.

Walsh, C.J., A.H. Roy, J.W. Feminella, P.D. Cottingham, P.M. Groffman, and R.P. Morgan II. 2005. The urban stream syndrome: current knowledge and the search for a cure. Journal of the North American Benthological Society 24:706-723.

Roy, A.H., A.D. Rosemond, D.S. Leigh, M.J. Paul, and J.B. Wallace. 2003. Habitat-specific responses of macroinvertebrates to land cover disturbance: biological consequences and monitoring implications. Journal of the North American Benthological Society 22:292-307.

Roy, A.H., A.D. Rosemond, D.S. Leigh, M.J. Paul, and J.B. Wallace. 2003. Stream macroinvertebrate response to catchment urbanisation (Georgia, USA). Freshwater Biology 48:329-346.

Page updated: October 2, 2017