Lab Members

Dr. Brad Fedy

Associate Professor
Environment, Resources and Sustainability, University of Waterloo.

PhD – Department of Forest Sciences, University of British Columbia.

MSc – Department of Biology, York University.

BES – Environment and Resource Studies, University of Waterloo.

Twitter: @fedy_lab

Dr. Fedy Google Scholar Profile

Facilities website


Matt Dyson (PhD)dyson_square

My primary interests are waterfowl and wetlands. I completed my Master’s at Western University working with Long Point Waterfowl investigating survival and habitat use of wood ducks produced from nest boxes. I completed my honours BSc in Natural Resources Management at the University of Northern British Columbia. I am also generally interested in spatial ecology, and the application of GIS and statistical techniques, to better understand how animal movement and habit use influences fitness. My PhD research at the University of Waterloo is in partnership with Ducks Unlimited Canada. The Western Boreal Forest (WBF) is considered the second most important breeding area for waterfowl in North America; however, changes in habitat caused by timber harvest, oil and gas exploration and extraction, mining, hydroelectric development, and recreation threaten carrying capacity. The goal of my research is to test a top-down hypothesis that landscape change in the WBF is increasing predation rates on waterfowl, because of range expansion of new predator species, increased success rates of native predators, or predator population increases in response to increased alternative prey. Based on my findings, we can then model predation rates at a landscape scale to help identify potential ecological sinks and better inform future conservation efforts in the WBF.


Chris Kirol (PhD)

kirol_squareI received his Bachelor of Science in Biology from another UW, the University of Wyoming, in 2000.  After working in a variety of capacities in wildlife research and management, I returned to the University of Wyoming and received a Master of Science in the Ecosystem Science and Managements Department in 2012.  My Master’s project focused primarily on predicting Greater Sage-grouse selection and fitness on a landscape scale in an area influenced by energy development and assessing microhabitat vegetation conditions that are most important to female Greater Sage-grouse during the reproductive period in xeric sagebrush habitats. My interests broadly lie in applied research informing science-based wildlife management and conservation planning. To-date my research has focused on the sagebrush-steppe ecosystem and sagebrush obligate avian species such as the sage-grouse. My research has explored sage-grouse habitat at microhabitat and microhabitat (landscape scales) and primarily in human-altered sagebrush landscapes. Specifically, how is habitat quality-the ability of the environment to provide conditions suitable for individual and population persistence compromised by human features and activities, such as oil and gas development, in the sagebrush ecosystems and what can be done better to reduce the impacts of these activates.


Marcus Maddalena (Master’s)

marcus_squareI am returning to the University of Waterloo to pursue a M.E.S, having also completed my B.E.S in the Department of Environment and Resource Studies. My research interests include habitat selection and use by a variety of wildlife populations, with the goal of developing effective management strategies. My undergraduate thesis compared two survey methods for white-tailed deer, and examined factors driving overwinter habitat selection by a Central Ontario population. I am currently working with Parks Canada and the Toronto Zoo to assess the population of Eastern Milksnakes, a species of special concern nationally, within the Greater Toronto Area. The project focuses on the Rouge Valley population of Milksnakes and their movement patterns. With the fragmented state of our urban green spaces, it is important to understand how Milksnakes move through these landscapes to implement effective management strategies. By identifying surrounding populations, we can then examine connectivity and the influence of potential disturbances on habitat selection.


Natasha Barlow (Master’s)

After graduating with a BSc from the University of Waterloo, I decided to work with Bird Studies Canada on a project dedicated to surveying the species richness and abundance of birds on private and public lands while also assessing habitat quality. I’ve been a birder for a few years, but working on that project further emphasized that I wanted to dedicate my career to studying and mitigating the impacts of anthropogenic habitat changes on wildlife populations, with a focus on avian species. In the Fedy Lab, I’m able to combine my passions for habitat reclamation and songbird conservation. Our study site, located in Northeastern Wyoming, is composed of large areas of active oil and gas developments, relatively untouched sagebrush habitat, and reclaimed post-oil and gas development land. This site provides an ideal landscape to assess the songbird richness and abundance, as well as the microhabitat characteristics at nest sites of various sagebrush obligate and associate species across this gradient of development. Ultimately, this research will inform reclamation of vast development landscapes as the oil and gas resources are exhausted and the land is reclaimed. In addition to understanding the ecology of avian systems in sagebrush ecosystems, we also hope to provide relevant information to land managers so they can best conserve, reclaim and protect sagebrush ecosystems.




Former Lab Members

Dr. Jeffrey Row
Postdoctoral Fellow: Landscape genetics, demography, and habitat selection. 2018 (Website:



Dr. Jeremy Pittman
Liber Ero Postdoctoral Fellow: Conserving species at risk on Canada’s last remaining native grasslands. 2017



Holly Bookerholly
Master’s Thesis: The application of occupancy modelling to evaluate the determinants of distribution for jaguars Panthera onca, pumas Puma concolor, and valued prey species in a protected area. 2016



Ryan Watchorn
Master’s Thesis: Assessing the efficacy of fathead minnows for mosquito control in semiarid rangelands. 2016



Anushi DeSilvaAnushi
Master’s Thesis: A large-scale multi-seasonal habitat prioritization and an analysis of structural connectivity for the conservation of greater sage-grouse in Wyoming. 2015


Jason TackJason Fishing
Doctoral Thesis: Guiding conservation of golden eagle population in light of expanding renewable energy development: a demographic and habitat-based approach. 2015


Ken Burrell Burrell_Ken_FishPt_May2011
Master’s Thesis: The spring reverse migration of songbirds in the Pelee region: 2010-2012. 2013