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Marney Isaac

Marney Isaac

Associate Professor
Environmental Sciences and IDS

Phone: (416) 287-7276
Location: SW 517


Marney Isaac, Assistant Professor and Canada Research Chair in Agroecosystems & Development, conducts interdisciplinary research on plant strategies and the nutrient economy of agroecological systems while concurrently charting the human dimension of agroecosystem management. Her research provides mechanistic insights into the ecological principles, nutrient cycles, and plant-soil interactions that govern the structure and function of agricultural landscapes, with particular attention on identification of strategies for environmental services, system resilience and sustainable livelihoods. Her research approach makes use of a diverse set of technical tools and employs various temporal and spatial scales: from mechanistic manipulative trials at the rhizosphere scale to large agroecosystem dynamics. She also supervises an international research program investigating agrarian management networks and environmental governance, with an emphasis on understanding innovation in large social-agroecological systems. She has published widely in environmental science, agronomic and multi-disciplinary journals including Agriculture, Ecosystems & Environment, Agronomy for Sustainable Development and Ecology and Society. 
Isaac, M.E., L.C.N. Anglaaere, K. Borden and S. Adu-Bredu. 2014. Intraspecific root plasticity in agroforestry systems across edaphic conditions. Agriculture, Ecosystems and Environment 185: 16-23.
Isaac, M.E., L.C.N. Anglaaere, D.S, Akoto and E. Dawoe. 2014. Migrant farmers as information brokers: agroecosystem management in the transition zone of Ghana. Ecology and Society 19(2): 56.
Munroe, J.W. and M.E. Isaac. 2014. Rates and transfer of fixed N in woody perennial agroforestry systems: a review. Agronomy for Sustainable Development 34: 417–427.
Isaac, M.E., P. Hinsinger and J.M. Harmand. 2012.  Nitrogen and phosphorus economy of a legume tree-cereal intercropping system under controlled conditions. Science of the Total Environment 434: 71-78.
Isaac, M.E. 2012. Agricultural information exchange and organizational ties: the effect of network topology on managing agrodiversity. Agricultural Systems 109: 9-15.
Isaac, M.E. and Kimaro, A.A. 2011. Diagnosis of nutrient imbalances with vector analysis in agroforestry systems. Journal of Environmental Quality 40: 1-7.
Isaac, M.E. and Dawoe, E. 2011. Agrarian communication networks: Consequences for agroforestry. In Ö. Bodin and C. Prell, (eds.) Social Networks and Natural Resource Management: Uncovering the Social Fabric of Environmental Governance. Cambridge University Press, Cambridge. pp. 322-344