PEARL  Paleoecological Environmental Assessment and Research Laboratory

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

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PhD Students

Camilo Fuentes-Camilo Donya Danesh- Analysis of pollen and charcoal from lake sediments in Northwestern Ontario to track the long-term Holocene climate.

Anna Desellas- A paleolimnological examination of sedimentary cladoceran assemblages and their relationship to multiple anthropogenic stressors in Algonquin Provincial Park.


Matt Duda- Utilizing paleolimnological techniques to assess the impact of changes in avian biovectors on freshwater ecosystems.

Liz Favot- Assessing long-term trends in diatom and chironomid assemblages in low-nutrient cyanobacterial bloom-affected Ontario lakes.  

Cale Gushulak- Long-scale (10,000 year) climate regime modeling of northeastern Ontario using paleolimnological techniques. Nell Libera- Analysis of biological indicators (diatoms, chrysophytes, and chlorophyll-a) to examine the possible impacts of mink farm effluents on rural Nova Scotia lakes.   Katherine Moir- Investigating how local and regional stressors influence algal community structure in the St. Lawrence River.
Graham Mushet- Investigation on the importance of enhanced atmospheric nitrogen deposition and climate warming on primary production of scaled chrysophytes in northern Saskatchewan.       Carmen Pereira- Assessing long-term data trends to understand multiple stressors on lakes that can cause algal blooms.
 Brigitte Simmatis- Paleolimnological analysis of sedimentary midges and cladocerans in smelting-impacted lakes.
Branaavan Sivarajah- Developing paleoecotoxicological techniques to assess the effects of legacy pollutants on lake ecosystems around Giant Mine, Yellowknife, Northwest Territories, Canada.

Robin Valleau- Cladocera and Diatom assemblages to assess the impact of road salt on lakes in Central Ontario.

Monica Garvie- Reconstruction of Northeastern Ontario's Holocene climate and fire regimes using charcoal and other proxies.Monica Garvie

Zoe Armstrong- Assessing ecological impacts of long-term mercury and heavy metal exposure on chironomids in the St. Lawrence River at Cornwall, ON.






MSc Students

Kapillesh Balasubramaniam-


Joeline Lim- Using chironomid assemblages to assess the impact of pollution in the Philippines.

 Shirui Li- Analysing Cladocera and Chironomids assemblages changes in response to multiple stressors at three Kawartha lakes, ON.

Christopher Wilkins- A paleolimnological assessment of Algonquin Provincial Park using sedimentary diatoms as proxies, in order to detect possible anthropogenic impacts since the industrialization of the park in the early 1900's. 

Liying (Coco) Xu- Reconstructing drought regimes in the Canadian prairies from Holocene to present using diatom records.






BSc (Honours) Students

Heba Khan-


Jamie Would-











Lab Volunteers, Undergraduate Assistants and Summer Work Students PEARL has volunteer opportunities supporting many lines of research. To find out more contact Chris Grooms.

  Lauren Fichman Miriam John


Abbie Davis

Katrina Esteireiro

Kayleigh Casmey