PEARL  Paleoecological Environmental Assessment and Research Laboratory

                                             Department of Biology, Queen's University, Kingston ON, Canada, K7L 3N6

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PhD Students

Julie Andrews- Tracking the long-term development of shallow oligotrophic lakes using algal assemblages within the context of multiple environmental stressors Kristina Arseneau - Acidification and climate warming: a multi-proxy paleolimnological study assessing the response of Adirondack (NY, USA) lakes to regional anthropogenic stressors. E-mail Donya Danesh- Analysis of pollen and charcoal from lake sediments in Northwestern Ontario to track the long-term Holocene climate.

Katie Griffiths - Heterogeneity in northern climate trends: Assessing the role of glacial modulation.


Kathryn Hargan - Diatoms as indicators of environmental and climatic change in peatlands and lakes of northern Ontario, CanadaE-mail


Jianbao Liu- Assessing the influences of climatic change on ecological changes in North China lakes during the last two millenniums using sedimentary diatom assemblages.
Moumita Karmakar- Understanding changes in water quality and quantity from northwestern Ontario over millennia: A multiproxy paleolimnological perspective. E-mail

Emily Stewart- Assessing the relative influences of climate, nutrients, and oxygen on chironomid assemblages using paleolimnological techniques.

Brendan Wiltse - Determining the role of climate on recent changes in algal communities in boreal lakes.E-mail

Jamie Summers- Using diatoms to understand environmental dynamics in freshwater systems near oil sands operations in northern Alberta, Canada




















































MSc Students

Cassandra Cummings- Using paleolimnology to assess changes in chrysophyte species assemblages in Wolf Lake (NY, USA), and Adirondack 'Heritage Lake'.


 Kristen Coleman- Assessing ecological changes and their impacts on mercury transport in Northern Boreal lakes using sedimentary diatom assemblages.

Andrew Labaj- Bosmina size structure related to opposing predation regimes.

Rachael Melnik-Proud- Diatoms as indicators of environmental and climatic change in High Arctic ponds. Specifically in the Cape Herschel area.

Mackenzie Waller- Predicting the occurrence of nuisance algal blooms (cyanobacteria) in Lake St. Francis through the study of watershed and limnological features, as well as GIS derived metrics.








































BSc (Honours) Students

Vanessa Bourne- Using Chironomid Assemblages to Asses the Impacts of Uranium Mining on Surrounding Lakes, in Northern Saskatchewan. Rebecca Hansford-Assessing possible climate-related shifts in pollen and charcoal assemblages in Wolf Lake (Adirondack Park, NY) during the Hypsithermal. Zara Jennings- Assessing the impacts of mining on heavy metal concentrations and chironomid assemblages in a Sudbury region lake.
Clare Nelligan-Using cladocera assemblages to assess environmental change in the Northern Ring of Fire, Ontario.



Erin Neville- Long-term response of chironomids to environmental change in the Athabasca oil sands region.


Branaavan Sivarajah-Assessing the impacts of Didymosphenia geminata blooms on diatom assemblages from the Restigouche River Watershed".

    Diana Zeng- DDT use at the '67 World Expo. 















































Lab Volunteers PEARL has volunteer opportunities supporting many lines of research. To find out more contact Chris Grooms.

Fiona Emdin


Jessie Luedi Anya Kochel Cecilia Barouillet
Josh Papernick Sara Al Baqui