Publications
Under Review
Piczak, M., S. Theis, R. Portiss, J.L.W. Ruppert, J. Midwood, S. Cooke. Evaluating the efficacy of ecological restoration of fish habitat in coastal waters of Lake Ontario. Science of the Total Environment.
Theis, S., A. Wallace, B. Graham, B. Coey, L. Cartwright, M.S. Poesch, R. Portiss, J.L.W. Ruppert. How much sampling is enough, when considering trade-offs for operational resources and assessing management outcomes for nearshore fish communities? Fisheries Management and Ecology.
Accepted
Marques, P., Chin, A., Ruppert, J.L.W., and Mandrak, N.E.. The luxury effect and urban aquatic biodiversity: exploring mechanisms of change. Urban Ecosystems.
Pandit, S.N., M.S. Poesch, J. Kolasa, L. Koirala, M.A. Rodríguez-Gironés, J.L.W. Ruppert, and E.C. Enders. Long-term evaluation of the Impact of Urbanization on Native and Non-Native Fish Assemblages. Aquatic Invasions.
Theis, S., L. Cartwright, B. Coey, B. Graham, D. Little, M.S. Poesch, R. Portiss, R. Scott, A. Wallace, J.L.W. Ruppert. A multi-metric index for assessing two decades of community responses to broad scale shoreline enhancement and restoration along the Toronto waterfront. Aquatic Conservation: Marine and Freshwater Ecosystems.
Published
2024
26. Theis, S., A. Chreston, A. Wallace, B. Graham, B. Coey, D. Little, L. Cartwright, M.S. Poesch, R. Portiss, J.L.W. Ruppert (2024). Nearshore fish community changes along the Toronto Waterfront in accordance with management and restoration goals: Insights from two decades of monitoring. PLoS ONE 19(2): e0298333.
2023
25. Cartwright, L. A., L. Moslenko, A. Chin, G. Des Vignes, K. M. Chomicki, K. Anderson, T. Van Seters, J.L.W. Ruppert, D. Macleod, and N. Erich (2023). Local factors and sources affecting freshwater chloride concentrations in the Toronto region. Journal of Great Lakes Research:102235.
24. Harvey, E., J. N. Marleau, I. Gounand, S. J. Leroux, C. R. Firkowski, F. Altermatt, F. G. Blanchet, K. Cazelles, C. Chu, C. d'Aloia, L. Donelle, D. Gravel, F. Guichard, K. McCann, J.L.W. Ruppert, C. Ward, and M.-J. Fortin (2023). A general meta-ecosystem model to predict ecosystem function at landscape extents. Ecography 2023: e06790.
23. Theis, S., J.L.W. Ruppert, and M.S. Poesch (2023). Coarse woody habitat use by local fish species and structural integrity of enhancements over time in a shallow northern boreal lake assessed in a Bayesian modeling approach. Ecological Solutions and Evidence 4, e12200.
2022
22. Chin, A.T.M., Ruppert, J.L.W., Shrestha, N., and Fortin, M.-J. (2022). Urban avian conservation planning using species functional traits and habitat suitability mapping. Land 11(10), 1831.
21. Hamberg, L. J., Fisher, J.B., Ruppert, J.L.W., Tureček, J., Rosen, D.H., and James, P.M.A. (2022). Assessing and modeling diurnal temperature buffering and evapotranspiration dynamics in forest restoration using ECOSTRESS thermal imaging. Remote Sensing of Environment 280:113178.
20. Theis, S., Ruppert, J.L.W., Shirton, J.R., and Poesch, M.S. (2022). Measuring beta diversity components and beneficial effects of coarse woody habitat introduction on invertebrate and macrophyte communities in a shallow northern boreal lake; implications for offsetting. Aquatic Ecology 56:793-814.
2020
19. Card, J. T., C. T. Hasler, J.L.W. Ruppert, C. Donadt, and M. S. Poesch (2020). A three-pass electrofishing removal strategy is not effective for eradication of Prussian Carp in a North American stream network. Journal of Fish and Wildlife Management. [Early View]
18. Theis, S., J.L.W. Ruppert, K.N. Roberts, C.K. Minns, M. Koops, and M.S. Poesch (2020), Compliance with and ecosystem function of biodiversity offsets in North American and European freshwaters. Conservation Biology, 34: 41-53. [LINK]
2019
17. Rudolfsen*, T., J.L.W. Ruppert*, E.B. Taylor, C.S. Davis, D.A. Watkinson, and M.S. Poesch (2019). Habitat use and hybridization between the Rocky Mountain Sculpin (Cottus sp.) and Slimy Sculpin (Cottus cognatus). Freshwater Biology 64: 391– 404. *Denotes joint first authorship [LINK]
2018
16. Ruppert, J.L.W., J. Hogg, and M.S. Poesch (2018). Community assembly and the sustainability of habitat offsetting targets in the first compensation lake in the oil sands region in Alberta, Canada (Biological Conservation). [LINK]
15. Ruppert, J.L.W., L. Vigliola, M. Kulbicki, P. Labrosse, M.-J. Fortin, and M.G. Meekan (2018). Human activities as a driver of spatial variation in the trophic structure of fish communities on Pacific coral reefs (Global Change Biology). [LINK]
2017
14. Ruppert, J.L.W., C.K. Docherty, K. Hamilton, K. Neufeld, L. MacPherson, and M.S. Poesch (2017). Native freshwater species get out of the way: Prussian Carp (Carassius gibelio) establishment impacts both fish and benthic invertebrate communities in North America (Royal Society Open Science). [LINK]
Media Coverage:
13. Docherty*, C., J.L.W. Ruppert*, T. Rudolfsen, A. Hamann, and M.S. Poesch (2017). Assessing the spread and potential impact of Prussian Carp (Carassius gibelio) to freshwater fishes in North America (Bioinvasions Records). [LINK] *Denotes joint first authorship
12. Veillard, M., J.L.W. Ruppert, K. Tierney, D.A. Watkinson and M.S. Poesch (2017). Comparative swimming ability of the threatened Rocky Mountain Sculpin (Cottus sp.) from four hydrologically distinct rivers (Conservation Physiology). [LINK]
11. Thayer, D., J.L.W. Ruppert, D.A. Watkinson, T. Clayton and M.S. Poesch (2017). Identifying temporal bottlenecks for the conservation of large-bodied fishes: Lake Sturgeon (Acipenser fulvescens) show highly restricted movement and habitat use over-winter (Global Ecology and Conservation).[LINK]
10. Martin, A., J.L.W. Ruppert, E. Gunn and D.L. Martell (2017). A Rolling Planning Horizon Linear Programming Model for Maximizing Woodland Caribou Habitat alongside Timber Production (Canadian Journal of Forest Research).[LINK]
9. Shipley, O.N., L.A. Howey, E.R. Tolentino, L.K.B. Jordan, J.L.W. Ruppert, E.J. Brooks (2017). Horizontal and vertical habitat use of the Caribbean reef shark (Carcharhinus perezi): Conservation implications of limited migration in a marine sanctuary (Royal Society Open Science).[LINK]
8. Ruppert, J.L.W., P.M.A. James, E.B. Taylor, C.S. Davis, T. Rudolfsen, M. Veillard, D.A. Watkinson and M.S. Poesch (2017). Riverscape genetic structure of a threatened and dispersal limited freshwater species, the Rocky Mountain Sculpin (Cottus sp.). (Conservation Genetics).[LINK]
7. Oh, B.Z.L., A.M.M. Sequeira, M.G. Meekan, J.L.W. Ruppert, J.J. Meeuwig (2017). Predicting habitat suitability for juvenile sharks along a tropical coastline: implications for conservation. (Conservation Biology).[LINK]
2016
6. Vianna, G.M.S., M.G. Meekan, J.L.W. Ruppert, T.H. Bornovski, and J.J. Meeuwig (2016). Indicators of fishing mortality on reef-shark populations in the world's first shark sanctuary: the need for surveillance and enforcement (Coral Reefs).[LINK]
5. Ruppert, J.L.W., M.-J. Fortin, M.G. Meekan (2016). The ecological role of sharks on coral reefs - Response to Roff et al. (Trends in Ecology and Evolution).[LINK]
Media Coverage:
4. Ruppert, J.L.W., M.-J. Fortin, E. Gunn, and D.L. Martell (2016). Conserving woodland caribou habitat while maintaining timber yield: a graph theory approach (Canadian Journal of Forest Research).[LINK]
<2015
3. Ruppert, J.L.W., M.-J. Fortin, M. Travers, L. Smith, and M.G. Meekan (2013). Caught in the middle: combined impacts of shark removal and coral loss on the fish communities of coral reefs. (PLoS ONE).[LINK]
Media Coverage:
WAMC Northeast Public Radio Academic Minute: http://wamc.org/post/dr-jonathan-ruppert-york-university-sharks-and-reef-health
University of Toronto: http://www.news.utoronto.ca/overfishing-sharks-harming-coral-reefs
The Australian (Newspaper): http://www.theaustralian.com.au/higher-education/shark-fishers-deprive-coral-of-an-ally/story-e6frgcjx-1226722280405
The Guardian: http://www.theguardian.com/environment/2013/sep/19/coral-reefs-suffer-hunt-sharks
Science World Report: http://www.scienceworldreport.com/articles/9649/20130923/shark-overfishing-harms-coral-reefs-food-chain-impacts.htm
The Conversation Op-Ed: http://theconversation.com/killing-sharks-is-killing-coral-reefs-too-18368
Australian Broadcasting Corporation (ABC) Radio: http://www.abc.net.au/am/content/2013/s3851888.htm
CBC Radio Quirks and Quarks: http://www.cbc.ca/quirks/episode/2013/09/21/september-21-2013/#1
CBC Radio Canada International: http://www.rcinet.ca/en/2013/09/23/canadian-study-shows-sharks-important-for-coral-reef-ecosystems/
The Economist: http://www.economist.com/news/science-and-technology/21586806-sharks-it-seems-are-necessary-ecological-health-coral-reefs-sea
2. Ruppert, J.L.W., M.-J. Fortin, G.A. Rose, and R. Devillers (2010). Environmental mediation of Atlantic cod on fish community composition: an application of multivariate regression tree analysis to exploited marine ecosystems. (Marine Ecology Progress Series).LINK]
1. Ruppert, J.L.W., M.-J. Fortin, G.A. Rose, and R. Devillers (2009). Atlantic cod distribution: changing benthic and abiotic environments alter site fidelity. (Canadian Journal of Fisheries and Aquatic Sciences).[LINK]
Manuscripts In Prep
Regimbal, N., A. Chin, D.A. Lawrie, J.L.W. Ruppert. Prioritizing amphibian road mortality hotspots and species-specific vulnerability for conservation action.
James, H., J.L.W. Ruppert, A. Chreston, L. Cartwright, and M.-J. Fortin. Responses of migratory passerine species to restoration of stopover habitat in an urban park.
Giles, R., J.L.W. Ruppert, A. Wallace, D. Jackson, D. Sinton, M. Milne, D. Muir, and C. Rochman. Multiple stressors in urban streams: Road runoff elevates contaminant burden and alters benthic invertebrate communities in a North American river.
Chin, A.T.M., Lawrie, D.A.L., Ruppert, J.L.W., Fortin, M.-J. Validating connectivity models used to inform conservation management planning.
Theis, S., J.L.W. Ruppert, L. Cartwright, M.A. Poesch, A. Wallace, and M.-J. Fortin. Community Assemblage and Landscape Structure Across an Urbanized Landscape.
Technical Reports
Ruppert, J.L.W., A. Chin, L. Seal and N. Shrestha (2022). Natural Systems Climate Change Vulnerability Assessment in the Durham Region. Toronto and Region Conservation Authority. 45 pages.
Cartwright, L., B. Mazumder, K. Chomicki, and J.L.W. Ruppert (2022). Etobicoke Creek Watershed Plan: Future Management Scenarios Analysis Report, Surface Water Quality. Toronto and Region Conservation Authority. 24 pages.
Cartwright, L., A. Chin, and J.L.W. Ruppert (2022). Etobicoke Creek Watershed Plan: Future Management Scenarios Analysis Report, Terrestrial Ecosystem. Toronto and Region Conservation Authority. 25 pages.
Fortune, C., D. Lawrie, A. Chin, L. Cartwright, C. Bright and J.L.W. Ruppert (2022). Etobicoke Creek Watershed Plan: Future Management Scenarios Analysis Report, Aquatic Ecosystem. Toronto and Region Conservation Authority. 40 pages.
Ruppert, J.L.W., C. Forunte, N. Taylor, D. Lawrie (2021). Final Report: Assessing cumulative effects of stormwater management pond outflows on aquatic ecosystems. Toronto and Region Conservation Authority. 40 pages.
Ruppert, J.L.W., C. Forunte, N. Taylor, D. Lawrie, N. Shrestha (2021). Etobicoke Creek Watershed Plan: Technical Characterization Report Section for Water Resource System: Features and Areas. Toronto and Region Conservation Authority. 40 pages.
Ruppert, J.L.W., D. Lawrie, A. Chin (2021). Etobicoke Creek Watershed Plan: Technical Characterization Report Section for Aquatic Ecosystem. Toronto and Region Conservation Authority. 20 pages.
Ruppert, J.L.W., D. Lawrie, N. Shrestha (2020). Climate vulnerability assessment of streams and the mitigation potential within the TRCA jurisdiction. Toronto and Region Conservation Authority. 25 pages.
Ruppert, J.L.W., D. Lawrie, N. Shrestha (2019). Carruthers Creek Watershed Plan Aquatic Impact Assessment. Toronto and Region Conservation Authority. 82 pages.