Themes & Projects

Theme 2

Healthy Forests, Healthy Aquatic Ecosystems

Forests area key resource industry in Canada, and aquatic ecosystem services (AES) should be a central component of forest management practices. However, poor under standing of how forest cosystems attributes regulate these AES, an increasing shift from harvesting for wood products to supplying biofuels to meet emerging markets, and complexities posed by predicted changes to Canada’s climate have all hindered formal integration of AES into the decision making progress.

A comprehensive understanding of the controls on AES in forest landscapes via hypothesis testing will be developed using data collected from monitoring, experimental zanipulation, modeling, and scenario planning. Leveraging previous investments in catchment studies across Canada and working closely with our partners, a predictive understanding of the multiple stressors associated with forest management and explore the links and trajectories of process controls on AES will be developed. This will underpin evaluations of the cumulative effects of forest management on these services.

These results and partner participation within and among Themes will support scenario analyses to forecast future forest conditions and explore trade-offs between ecological and socio-economic risks in order to identify desired futures and management options to achieve these futures. AES indicators along with cumulative effect stresses and responses developed through the research will be used to evaluate strategies for forest protection, and compensation and mitigation strategies for offsetting impacts of disturbed forest lands on AES. The evaluation will result in a framework that can be

implemented by government and industry to develop management policies and practices that ensure ongoing provision of AES. Forest management will have a critical influence on the future supply of AES upon which many communities depend; this research will develop strategies for ensuring sustained delivery of these services that can informpolicy at a national scale.

Key Objectives:

Use an integrated approach to explore first the reference condition of AES and then the effects of forest management practices, specifically forest harvesting on AES

Determine how AES responds to disturbance by measuring targeted and rigorously evaluated indicators of the structural and functional integrity of the catchments (i.e.health) that can provide meaningful estimates of the value of these services to dow stream users

Integrate catchment studies from across Canada that include gradients of naturally and anthropogenically disturbed forest catchments to address how underlying differences in climate geology, topography, soils, forest types and disturbance regime affect the sustainability and delivery of the AES water purification, storage and flood control

Design a series of manipulative experiments to test hypotheses about the mechanistic interactions among physical, chemical and biological responses to forest disturbance and how these affect AES

Identify the driving forces that influence ecosystem services in forested aquatic ecosystems, define critical uncertainties in the determination of these drivers, describe major characteristics of alternative scenarios, and develop logical forest management policy and practice options and an associated set of indicators that target desired future forest states

Integrate the theoretical advancements generated by network researchers and partners using scenarios associated with future landscapes

Combine ecological and socioeconomic perspectives in assessing the best combination
of planning versus incentivized approaches to managing AES

PROJECTS

2.1a – Assessing the Impacts of Forest Disturbance on Aquatic Ecosystem Services through Predictive Modeling of Benthic Community Composition and Hydrologic Indicators
Kristin Daoust, University of Guelph

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2.1b – GuelphSusceptibility of oligotrophic lakes in Ontario to formation of algal blooms
Aleksey Paltsev, Western University

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2.1c – Elucidating climate forcing oscillations in water discharge across the temperate biome
Chris Brimacombe, University of Western Ontario

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2.1d – Classifying streamflow regimes in different forest landscapes across Canada
Junting Guo, University of Western Ontario

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2.2a – Effect of forest condition on food web structure and other aquatic indicators in headwater streams in different regions of Canada
Maitane Erdozain,PhD Candidate, University of New Brunswick

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2.2b – Effects of operational harvesting practices on hydrological and biological indicators of aquatic ecosystem services in northern hardwoods of central Ontario
Alexander Potter, Trent University

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2.2c – Impacts of forest harvesting on stream nutrient processing mediated by organic carbon-nitrate Effects of operational harvesting practices on hydrological and biological indicators of aquatic ecosystem services in northern hardwoods of central Ontario
Alex Yeung, University of British Columbia

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2.2d – Experimental manipulations to test the effects of forest management activities on physical, chemical and biological indicators of aquatic ecosystem services from headwaters of forested landscapes
Gillian Fuss, University of British Columbia

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2.2e – Conserving Aquatic Ecosystem Services through the Emulation of Natural Disturbance Paradigm for SusJordan Musettatainable Forest Management
Jordan Musetta, University of Guelph

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2.3a – Are disturbances to Canada’s boreal aquatic ecosystems cumulative downstream of forest management activities?
Kelli Charbonneau, University of New Brunswick

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2.3b – Dissolved organic matter controls on aquatic food webs and mercury accumulation in fish
Oscar Senar, University of Western Ontario

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2.3c – Feedbacks and Dynamics of Aquatic Ecosystem Services in a Multi-use Watershed
Stephanie Tomscha, University of British Columbia

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2.3d – Linking Land Cover to Groundwater Nitrate: Approaches in Cross-Border Monitoring
Tanya Gallagher, University of British Columbia

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2.4-2.5a – “Keystone” Wetland for maintenance of vulnerable species in landscapes with different wetland network configurations
Patrizia Zamberletti, Politecnico di Milano

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2.4-2.5b – Simulating wetland ecosystem services under different policy scenarios
Francesco Accatino, Politecnico di Milano

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2.4-2.5c – The Preferential Loss of Small Geographically Isolated Wetlands on Prairie Landscapes
Jacqueline Serran, Western University

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2.4-2.5d – Managing cumulative ecosystem risk in Lake Erie from nutrient contributing stressors in the Grand River watershed
Jason Igras, Western University

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2.4-2.5e – No wetland is an Island – Quantifying the contribution of individual wetlands to the resilience of species-at-risk on a prairie pothole landscape
Marta Zaffaroni, Politecnico di Milano

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2.4-2.5f – Stream biogeochemical resilience in the age of Anthropocene
Rick Dong, Western Unviversity

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2 crossa – Cross-Project Research Enterprises
Johnston Miller, University of Western Ontario

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2 crossb – Cross-Project Research Enterprises
David Aldred, University of Western Ontario

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