PEARL Paleoecological Environmental Assessment and Research Laboratory
Department of Biology, Queen's University, Kingston ON, Canada, K7L 3N6
Some Former Students / Researchers
PhD- Diatom-based assessments of lakes in the Athabasca Oil Sands Region
(AB) exposed to industrial pollution, climate change, and forest
Using diatom assemblages to assess the effects of climate change
and contaminants in lakes surrounding ConMine, Yellowknife, NWT.
Understanding changes in subfossil Cladocera in response to multiple stressors
at Pigeon Lake.
Using chironomid assemblages to reconstruct long term deep water
oxygen conditions in Limerick Lake.
long-term changes in Chrysophyte assemblages in lakes in the Adirondacks
Julie Johannessen- Tracking the long-term
development of shallow oligotrophic lakes using algal assemblages within the
context of multiple environmental stressors.
Analyzing changes in Chrysophyte species in the Adirondacks (Wolf Lake, NY).
Observing changes in cladoceran assemblages from pre-industrialization to modern
day, in lakes in the Adirondacks.
changes since Pre-industrial times in cottage lakes in Algonquin Park.
A paleolimnological investigation of food-web and carrying capacity changes in
Okanagan Sockeye Salmon nursery lakes.
Investigation of the impact of warmer climatic conditions on aquatic life in a
small kettle lakes from northern Ontario.
PhD- Working in
close collaboration with PEARL at Ottawa U with Prof. Jules Blais
PhD- Working in
close collaboration with PEARL at Ottawa U with Prof. Jules Blais
Guy-Thierry Tenkouano- Arsenic Geochemistry in a Historically Contaminated Lake: Paleolimnological Examination of Moira Lake, Ontario,Canada.
Hillary Quinn-Austin- A chironomid based reconstruction of deep water oxygen conditions over approximately 200 years in Loughborough Lake, Ontario.
Sydney Hennessy-Observing changes between pre-industrial and modern-day cladoceran assemblages in reference lakes at the Experimental Lakes Area (northwestern Ontario).
Using diatom assemblages to examine the hurricane history of Grape Tree Pond, a
coastal lagoon in Jamaica.
for effects of climate change on high-altitude Andean ponds in Ecuador using
diatoms as a paleolimnological indicator.
Jianbao Liu- Assessing the influences of climatic change on ecological changes in North China lakes during the last two millennia using sedimentary diatom assemblages.
Liang Zhu- Using paleolimnological indicators to track the effect of highway construction on sub-arctic lakes.
Andrea Zemanek- Using chironomids to track deepwater oxygen changes in Osoyoos Lake, B.C.
Mina Vu- Analyzing the environmental impact of Double-crested cormorants and Ring-billed gulls on Lake Ontario bird ponds using paleolimnological techniques.
Hannah Rundle-Investigating the timing and potential drivers of the shift from unicellular to colonial scaled chrysophytes (specifically Synura petersenii) in sediment cores from minimally disturbed lakes in the Adirondacks.
Olivia Pink- Using chironomid assemblages to assess the past deep water oxygen concentrations of Tadenac Lake, ON, to determine if changes over time have impacted the Lake Trout population.
Donna Paznar- Holocene perspective of changes in cladocera from Wolf Lake in the Adirondacks.
Paul Kraly- Timing of the shift from unicellular Mallomonas taxa to colonial Synura sphagnicola chrysophytes in a minimally-disturbed lake; Adirondack Lake.
Dara Corrigan- Assessing past deep water oxygen availability of Peninsula Lake (ON) using chironomid assemblages.
Jessica Almeida- Investigating the application of chironomids as an indicator of past oxygen levels.
Diatoms as indicators of environmental and climatic change in High Arctic ponds.
Specifically in the Cape Herschel area.
Working in close collaboration with
PEARL at Hutchinson Environmental Sciences Ltd.
Currently an assistant professor at York University
Katie Griffiths - Heterogeneity in northern climate trends: Assessing
the role of glacial modulation.
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.
Laura Redmond- The effects of calcium decline on cladoceran assemblages of Crosson Lake, Ontario: Have low calcium conditions favoured Holopedium glacialis?
Looking at the relative abundances of diatoms throughout the last
10,000 years of sediment accumulation at Lake of the Woods and to
determine whether changes in assemblage composition track the
environmental history of lake development including changes in
Spencer Yakaback- The use of paleolimnological techniques to track the impacts of Dorset-Paleoeskimos on a freshwater lake near Port au Choix, Newfoundland, Canada.
Emma Pascoe- Analyzing water quality in Lake Simcoe through the Holocene using diatom assemblages.
Analysis of macroscopic charcoal to characterize fire history in the Adirondacks
and assess the utility of charcoal morphotype analysis.
Kelli Charbonneau- SWEP
Kristen Coleman- Assessing ecological
changes and their impacts on mercury transport in Northern Boreal lakes using
sedimentary diatom assemblages.
Esteban Camilo Rodriguez Pinto, MSc
Phone: (+1) 613-533-6000 ext 75221
Understanding changes in water
quality and quantity from northwestern Ontario over millennia: A multiproxy
Joshua Kurek, PhD- Aquatic invertebrates and environmental
Mount Allison University
Geography & Environment
Avard-Dixon Building144 Main St.,
Sackville, NB E4L 1A7
joshua.kurek [at] gmail.com
Erin Neville- Long-term response of chironomids to environmental change in the Athabasca oil sands region.
Brendan Wiltse - Determining the role of climate on recent changes in algal communities in boreal lakes.
Zara Jennings- Assessing the impacts of mining on heavy metal concentrations and chironomid assemblages in a Sudbury region lake.
Rebecca Hansford-Assessing possible climate-related shifts in pollen and charcoal assemblages in Wolf Lake (Adirondack Park, NY) during the Hypsithermal.
Vanessa Bourne- Using Chironomid Assemblages to Asses the Impacts of Uranium Mining on Surrounding Lakes, in Northern Saskatchewan.
Kristina Arseneau - Acidification and climate warming: a multi-proxy paleolimnological study assessing the response of Adirondack (NY, USA) lakes to regional anthropogenic stressors.
paleolimnology to assess changes in chrysophyte species assemblages in Wolf Lake
(NY, USA), and Adirondack 'Heritage Lake'.
Diana Zeng- DDT use at the '67 World Expo.
Todd French- Spatial and temporal trends in contaminant concentrations in Great Lakes fishes, with emphasis on identified areas of concern.
Maddy Sugar-Diatom assemblages in Sverdrup Pass pond sediments.
Jordan D. Suffel-
Analysis of Cladoceran species assemblages in Wolf Lake (NY, USA) to assess
fluctuations in lake water Ca levels related to industrial acid deposition.
Sarah Shenstone-Harris-Assessing the impacts of seabird-derived nutrient inputs on islands in the Great Lakes, using sedimentary diatom assemblages
of diatom species in Wolf Lake (NY, USA) to assess ecological responses to
mid-Holocene climate warming.
M. Sinead McGowan- Patterns in diatom and chrysophyte assemblages across a gradient of water depth in an Adirondack Lake.
Jill Lemmen- Using chironomid-based paleolimnology to track recent environmental change in the Ecuadorian Andes.
Michelle Lavery- An analysis of past climate in Eastern Quebec using preserved diatom assemblages in lake sediments
Mark Kelly- Impacts of acidification on the movement of mercury from sediment into biota.
Larkin Mosscrop -
communities of small, shallow lakes.
Angelo Sorce -
A paleolimnological investigation of ecological responses to climate change and a
piscivore manipulation in Mouse and Ranger lakes, Ontario
Jennifer Barrow- A paleolimnological investigation using diatom assemblages to disentangle the
long-term impacts of acidification and calcium decline in softwater lakes of
Central Ontario, Canada.
Reba McIver- Diatoms as indicators of
recovery from hyper-eutrophication in high arctic ponds.
Iain MacKenzie- A paleolimnological
investigation of eutrophication and recovery in Lake Washington (Seattle, WA).
Elisa Cheng- A paleolimnological assessment of the response of Arctic lakes in the Mackenzie Delta uplands (NT, Canada) to failed drilling-mud sumps.
Chris Ng- Diatoms as a paleolimnological confirmation of climate change
in the Adirondacks, New York.
An Evaluation of Climate Change and Eutrophication in a High Arctic Lake.
Karlee Flear-A paleolimnological investigation of chrysophytes and chironomids in the Experimental Lakes Area.
Assessment of water availability of southern lakes in the Winnipeg River
Drainage Basin over the past 2 Millennia to determine the susceptibility of this
basin to synchronous droughts.
A paleolimnological assessment of the impacts of anthropogenic disturbances on
chrysophyte diversity in the Winnipeg River Drainage basin.
Paleolimnological investigation of diatoms in dead zone lakes of the Western
A paleolimnological investigation of Cladocera in the dead zone of the Western
Calcium effects in softwater lakes: Investigating changes in zooplankton
Heather Haig - Analysis of drought
susceptibility and water variability of northern lakes within the Winnipeg River
drainage basin over the past two millennia to determine synchronicity water
Alexandra Rouillard - Paleolimnological assessment of environmental changes occurring on Pim Island, Nunavut, High Arctic Canada
Jessica Hawryshyn - Paleolimnological diatom reconstruction of water-quality changes related to multiple stressors in Lake Simcoe, Ontario.
Crystal Hyatt - A diatom-based paleolimnological investigation of environmental change in Lake of the Woods, Ontario.
Samantha Burke - A
paleolimnological investigation of changes in cladoceran size structure in Lake
George, Nova Scotia due to recent anthropogenic warming.
Holly Nesbitt - A paleolimnological investigation of diatoms in the dead zone of the Western Canadian Arctic.
Melanie Kingsbury - Determining the characteristics that define the ecotone boundary
between benthic and planktonic diatom communities in boreal lakes in
Alexandra Gerber -
A paleoecological study of fire regime during the
Holocene in St. Lawrence Islands National Park, Southeastern Ontario using the
Melissa Moos - Paleolimnological Investigation of Holocene Level Climate Regimes in Lake 239 (Experimental Lakes Area, NW Ontario).
Tracking the Effects of Acidification and Recovery
on Aquatic Invertebrates in the Wawa and Sudbury Regions.
Phone: 613-533-6000 Ex. 77380
Suzie Ellwood -
Reconstructing Holocene fire history in
Southeastern Ontario through an investigation of sedimentary charcoal.
Thiyake Rajaratnam- Assessment of environmental changes in Halifax over the last 150 years using sub-fossil diatom assemblages.
Alyson Paul - A diatom-based paleolimnological investigation of long-term climate change in Canada's arctic tundra.
Lindsay Brager - Assessment of the extent of biological recovery of Big Moose Lake, NY from acidification using chrysophytes as paleoecological indicators.
Jaclyn Brash -
Carole Chueng- Scaled
chrysophytes as indicators of taste and odour water issues in Ontario lakes.
Ashley Jenkin - Contrasting the Effects of Nutrient Additions Versus Climate Change in Forrest Island, Lake of the Woods, ON
Mark Katchouni - Assessment of scaled Chrysophytes in Arpin Lake from pre-industrial to recent times (NW Ontario).
Ian Watson - Aquatic osteoporosis in the Experimental Lakes Area using cladocerans as an indicator.
Clair Broughton - Climate change effects on diatom community structure in northwestern Ontario.
Cheryl Wilson - Multiple generations of interglacial lake sediment preserved beneath the Laurentide Ice Sheet: a paleolimnological reconstruction of Lake CF8, Baffin Island.
Chris Lorenz - Fire-climate relationship at the forest-prairie ecotone in Alberta, Canada.
Christine Greenaway - Diatoms and scaled-chrysophytes as indicators of biological recovery from acid rain in lakes near Wawa, Ontario.
Amy Tropea- Diatoms and scaled chrysophytes as indicators of biological recovery from acidic deposition in Sudbury, Canada.
Kyle McIver - A paleolimnological investigating of a possible calcium concentration tipping point in Cladocera communities in Nova Scotia.
Karen Ross - The extent of biological recovery of Big Moose Lake, NY from acidification.
Daniel Selbie- Paleolimnological reconstructions of long-term sockeye salmon population dynamics in the U.S. Pacific Northwest, British Columbia and Yukon Territory in relation to human and natural forcing mechanisms.
Brian Ginn- Assessment of water quality in Nova Scotia using diatoms as paleoecological indicators.
Isla Milne -A high-resolution fossil diatom record of climate and environmental change in equatorial East Africa over the past 21,000 years.
Bronwyn Keatley -Diatoms as indicators of environmental change from three distinct ecosystem types in the Canadian High Arctic.
Jeannine St. Jacques - Drought variability in the North American Great Plains during the last 1500 years.
Shelley Wilkinson-Assessing the relationship between sedimentary charcoal, climate, and recorded fires events
Erin MacMillan-A spatial scale approach to the analysis of primary and secondary transported charcoal.
Mihaela Enache, PhD - Climate and fire dynamics.
Astrid Michels, PhD
Jen Bondy - Tracking past sockeye salmon presence in relation to oral tradition from a remote sub-arctic lake (Yukon Territory, Canada)
Anne Harris - Impacts of Environmental Stressors on Lakes of New Brunswick, Canada: A Paleolimnological Assessment
Crystal Lai - The Effects of Zebra Mussels and Elevated Temperature on Zooplankton Assemblage in Two Eastern Ontario Lakes
Laura Grace - Assessing Environment Change in three Atlantic Whitefish (Coregonus huntsmani) Lakes in Nova Scotia, Canada using Paleolimnological Techniques.
Sergi Pla, PhD-
Kyle Gervais- The Effects of Zebra Mussel (Dreissena polymorpha) Predation on Seasonal Phytoplankton Succession in Lake Opinicon, Ontario.
Erica Johnson - Fossil chironomids as indicators of environmental change in Russell Lake, Halifax, Nova Scotia, Canada.
Elyse LaFace - Cladocera as paleolimnological indicators of recent warming in subarctic Canada
Nafisha Lalani - Assessing the Role of Epilithic Diatoms as Indicators of Nutrient Enrichment at Cape Vera, Devon Island, Canadian High Arctic
Laura Schrumm / Lawlor -
Chironomids: Indicators of hypolimnetic oxygen change
in Nova Scotian Brook Trout lakes.
Jon Sweetman, PhD - Aquatic invertebrates and climate change in Arctic and Subarctic regions.