Post, John Robert - University of Calgary - Department of Biological Sciences

个人简介

PhD York University, 1987 MSc York University, 1984 BSc University of Toronto, 1980 2014-present Associate Editor, Proceedings of the Royal Society B 2014-16 Board of Directors – Canadian Conference for Fisheries Research (CCFFR) 2014 Noteworthy Publication in Fisheries – Hutchings and Post (2013) 2014 Community Engagement Award – Faculty of Science, University of Calgary 2014 Best Paper of the Year Award, American Fisheries Society, North American Journal of Fisheries Management 2012-13 Senior Fellow, Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB), Berlin Germany 2010-2011 Co-Chair, NSERC Evolution and Ecology Evaluation Group 1503 2009-2017 Member, Committee on the Status of Endangered Wildlife in Canada, COSEWIC 2009-2017 Co-Chair, Freshwater Fishes Species Specialist Committee of COSEWIC 2008-2010 Member, NSERC Evolution and Ecology Evaluation Group 1503 2008-2009 President – Canadian Conference for Fisheries and Aquatic Science 2007- present Associate Editor, Canadian Journal of Fisheries and Aquatic Sciences 2006 Best Paper of the Year Award, American Fisheries Society, North American Journal of Fisheries Management 2005 Visiting Professor, University of Umea, Sweden 2004 Best Paper of the Year Award, American Fisheries Society, North American Journal of Fisheries Management

研究领域

The primary goal of my research program is to understand the suite of processes that control growth and survival of juvenile fishes and lead to variability in recruitment into adult stocks. This "recruitment problem" is at the core of many issues in both basic and applied fisheries population biology and underlies the majority of research that my students and I are involved in. We use a combination of whole lake experiments, observations in nature, laboratory experiments and simulation models to explore these processes at a range of spatial and temporal scales. Current foci include experimental studies aimed at understanding the importance of exploitative and interference competition and predation in size-structured fish populations. We are examining habitat choice and profitability, diet, growth rates, vulnerability to predation and survival rates of juveniles and adults in populations that vary in density and size-structure. We are also examining ontogenetic patterns in tradeoffs of energy allocation to somatic growth, storage for overwinter survival and reproduction. A key basic issue in this research is how we scale from individual behaviour and energetics to population level phenomena. Applied studies include assessments of impacts of climate change on thermal behaviour, energetics and population dynamics of prairie and northern fishes. We are developing bioenergetic models to assess instream flow needs for riverine fishes. We are also examining the demography of collapse and recovery of harvested fish populations. We are using a large scale adaptive management experiment and models to optimize the management of British Columbia Rainbow and Lake Trout and anadromous stocks of Arctic Char in Nunavut.

近期论文

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Mogensen S., J.R. Post and M.G. Sullivan. 2014. Vulnerability to harvest by anglers differs across climate, productivity and diversity clines. Canadian Journal of Fisheries and Aquatic Sciences 71:416-426. Lapointe, N., S. Cooke, J. Imhof, D. Boisclair, J. Casselman, R.A Curry, O. Langer, R. McLaughlin, K. Minns, J.R. Post, M. Power, J. Rasmussen, J. Reynolds, J. Richardson, W. Tonn. 2014. Principles for ensuring healthy and productive freshwater ecosystems that support sustainable fisheries. Environmental Reviews 22:1-25. Pinto, M.C., J.R. Post, A.J. Paul, F.D. Johnston, C.J. Mushens and J.D. Stelfox. 2013. Lateral and longitudinal displacement of stream rearing juvenile bull trout in response to upstream migration of spawning adults. Transactions of the American Fisheries Society 142:1590-1601. Hutchings, J. and J.R. Post. 2013. Gutting Canada’s Fisheries Act: No fishery, no fish habitat protection. Fisheries 38:497-501. Laliberte, J., J.R. Post, J.S. Rosenfeld. 2013. Hydraulic geometry and longitudinal patterns of habitat quantity and quality for rainbow trout (Oncorhynchus mykiss). Rivers Research and Application. Published Online May 2013. Ward, H.G.M., P.J. Askey and J.R. Post. 2013. A mechanistic understanding of hyperstability in catch per unit effort and density-dependent catchability in a multistock recreational fishery. Canadian Journal of Fisheries and Aquatic Sciences 70:1542-1550. Askey P.J., E.A. Parkinson, J.R. Post. 2013. Linking fish and fisher dynamics to assess stocking strategies for hatchery-dependent, open access recreational fisheries. North American Journal of Fisheries Management. 33:557-568. [Best Paper of the Year Award] Ward, H.G.M., M.S. Quinn and J.R. Post. 2013. Angler characteristics and management implications in a large multi-stock spatially structured recreational fishery. North American Journal of Fisheries Management. 33:576-584. Post, J.R. 2013. Resilient recreational fisheries or prone to collapse? A decade of research on the science and management of recreational fisheries. Fisheries Management and Ecology 20:99-110. Ward, H.G.M., P.J. Askey, J.R. Post, D. Varkey and M. McAllister. 2012. Basin characteristics and temperature improve abundance estimates from standard index netting of small lakes. Fisheries Research 131-133:52-59. Post, J.R. and E.A. Parkinson. 2012. Temporal and spatial patterns of angler effort across lake districts and policy options to sustain recreational fisheries. Canadian Journal of Fisheries and Aquatic Sciences 69:321-329. Mogensen S. and J.R. Post. 2012. Energy allocation strategy modifies growth-survival tradeoffs in juvenile fish across ecological and environmental gradients. Oecologia 168:923-933. Johnston, F.D., R. Arlinghaus, J. Stelfoxd and J.R. Post. 2011. Decline in angler use despite increased catch rates: anglers’ response to the implementation of a total catch-and-release regulation. Fisheries Research 110:189-197. Rosenfeld J.S., K. Campbell, E.S. Leung, J. Bernhardt, and J.R. Post. 2011. Habitat effects on depth and velocity frequency distributions: implications for modelling hydraulic variation and fish habitat suitability in streams. Geomorphology 130:127-135. Johnston, F.D. and J.R. Post. 2009. Density-dependent life history compensation of an iteroparous salmonid. Ecological Applications 19:449-467 Post, J.R., L. Persson, E.A. Parkinson and T. van Kooten. 2008. Angler numerical response across landscapes and the collapse of freshwater fisheries. Ecological Applications 18:1038-1049. Biro, P.A. and J.R. Post. 2008. Fishery-induced evolution: rapid depletion of genotypes with fast growth and bold personality traits. Proceedings of the National Academy of Science. 105:2919-2922. Rosenfeld, J.S., J.R. Post, G. Robins and T. Hatfield. 2007. Hydraulic geometry as a physical template for the River Continuum: application to optimal flows and longitudinal trends in Salmonid habitat. Canadian Journal of Fisheries and Aquatic Sciences 64:755-767. Biro, P.A., J.R. Post and D.J. Booth. 2007. Climate induced mortality of fish populations is mediated by behaviour in whole-lake experiments. Proceedings of the National Academy of Science 104:9715-9719. Askey, P.J., L.K. Hogberg, J.R. Post, L.J. Jackson, T. Rhodes and M.S. Thompson. 2007. Spatial patterns in fish biomass and relative trophic level abundance in a waste water enriched river. Ecology of Freshwater Fish 16:343-353.