Peer-reviewed publications:

2019

Hargan, K.E., H.G. Gilchrist, N. Clyde, N. Michelutti, L.E. Kimpe, S.A. Iverson, J.P. Smol, M.L. Mallory, M. Forbes, and J.M. Blais. 2019. Multicentury perspective assessing the sustainability of the historical harvest of seaducks. Proceedings of the National Academy of Science 116 (17) 8425-8430. DOI:10.1073/pnas.1814057116

Duda, M.P., K.E. Hargan, N. Michelutti, and J.P. Smol. Freshwater diatom assemblages of seabird-inhabited ponds in Hudson Strait, subarctic Canada. Polar Biology 42: 1549-1560. DOI:10.1007/s00300-019-02541-0.

Stewart, E.M., M. Vu, N. Michelutti, K.E. Hargan, C. Grooms, L.E. Kimpe, J.M. Blais, and J.P. Smol. 2019. Pond sediments on nesting islands in eastern Lake Ontario provide insights into the population dynamics and impacts of waterbird colonies. Journal of Great Lakes Research 45: 350-359. DOI:10.1016/j.jglr.2019.01.009

Papers currently in the works:

Gallant, L.R., L. Kimpe, K.E. Hargan, J.M. Blais. Tracking the history of cultural eutrophication in High Arctic waterbodies. In review.

Hargan, K.E., B. Williams, B. Nuangsaeng, S. Siriwong, P. Tassawad, C. Chaiharn, B. McAdoo, and M. Los Huertos. Tracking the fate of shrimp farm effluent in a Thailand bay using stable carbon isotopes. In review.

Hargan, K.E., Finkelstein, S.A., Rühland, K.M., Packalen, M., Dalton, A.S., Paterson, A.M., Keller, W., Smol, J.P. Post-glacial lake development and paleoclimate in central Hudson Bay Lowlands inferred from sediment records. In review.

Hong, A.H., K.E. Hargan, B. Williams, B. Nuangsaeng, S. Siriwong, P. Tassawad, C. Chaiharn, and M. Los Huertos. Utilizing molluscs as bioindicators of aquaculture effluent in mangroves. In review.

2018

Duda, M.P., K.E. Hargan, N. Michelutti, L. Kimpe, N. Clyde, G. Gilchrist, M.L. Mallory, J.M. Blais, and J.P. Smol. 2018. Breeding eider ducks strongly influence subarctic coastal pond chemistry. Aquatic Sciences 80: 40. DOI:10.1007/s00027-018-0591-2

Stewart, E.M., K.E. Hargan, B. Sivarajah, L.E. Kimpe, J.M. Blais, and J.P. Smol. 2018. A paleoenvironmental study tracking eutrophication, metal pollution, and climate change in Niven Lake (NT), Yellowknife’s first sewage lagoon. Arctic 71(2): 201-217. DOI:10.14430/arctic4720

Hargan, K.E., E.M. Stewart, N. Michelutti, C. Grooms, L.E. Kimpe, M.L. Mallory, J.P. Smol, and J.M. Blais. 2018. Sterols and stanols as novel tracers of waterbird population dynamics in freshwater ponds. Proceedings of the Royal Society B 285: 20180631. DOI:10.1098/rspb.2018.0631

University of Ottawa media release "Tracking bird populations going back thousands of years", Radio-Canada “Les excréments d'oiseaux aquatiques lourds d'histoire”

Thorne, K., G. MacDonald, G. Guntenspergen, R. Ambrose, K. Buffington, B. Dugger, C. Freeman, C. Janousek, L. Brown, J. Rosencranz, J. Holmquist, J. Smol, K.E. Hargan, and J. Takekawa. 2018. U.S. Pacific coastal wetland resilience and vulnerability to sea-level rise. Science Advances 4: eaao3270. DOI:10.1126/sciadv.aao3270.

Featured by: LA Times (front page; Feb 22, 2018 - also see for great USGS salt marsh map forecasts to 2110), National Audubon, Oregon Public Broadcasting, KPCC, KQED, Inside Climate News, Newsweek, and E&E News

2017

Hargan, K.E., N. Michelutti, K. Coleman, C. Grooms, J. Blais, L. Kimpe, G. Gilchrist, M. Mallory, and J.P. Smol. 2017. Cliff-nesting seabirds influence production and sediment chemistry of lakes situated above their colony. Science of the Total Environment 576: 85-98. DOI:10.1016/j.scitotenv.2016.10.024.

2016

Thienpont, J.R., J.B. Korosi, K.E. Hargan, T. Williams, D. Eickmeyer, L.E. Kimpe, M. Palmer, J.P. Smol, and J.M. Blais. 2016. Multi-trophic level response to extreme metal contamination from gold mining in a subarctic lake. Proceedings of the Royal Society B 283: 20161125. DOI:10.1098/rspb.2016.1125.

Featured by: CBC, Global News, City News, Eye on the Arctic, and My Yellowknife Now

Hargan, K.E., C. Nelligan, A, Jeziorski, K.M. Rühland, A.M. Paterson, W. Keller, and J.P. Smol. 2016. Tracking the long-term response of diatoms and cladocerans to climate warming and human disturbances across lakes of the Far North of Ontario, Canada. Journal of Paleolimnology 56: 153-172. DOI:10.1007/s10933-016-9901-7.

2015
Hargan, K.E., K.M. Rühland, A.M. Paterson, S.A. Finkelstein, J. Holmquist, G.M. MacDonald, W. Keller, and J.P. Smol. 2015. The influence of water table depth and pH on the spatial distribution of diatom species in peatlands of the Boreal Shield and Hudson Plains, Canada. Botany 93(2): 57-74. DOI:10.1139/cjb-2014-0138.

Hargan, K.E., K.M. Rühland, A.M. Paterson, J. Holmquist, G.M. MacDonald, J. Bunbury, S.A. Finkelstein, and J.P Smol. 2015. Long-term successional changes in peatlands of the Hudson Bay Lowlands, Canada inferred from the ecological dynamics of multiple proxies. The Holocene 25: 92-107. DOI:10.1177/0959683614556384.

Coleman, K., M. Palmer, J.B. Korosi, S.V. Kokelj, K. Jackson, K.E. Hargan, C. Courtney Mustaphi, J.R. Thienpont, L.E. Kimpe, J.M. Blais, M.F.J. Pisaric, and J.P. Smol. 2015. Tracking limnological change in the Southwestern Northwest Territories: a multi-proxy approach using remote sensing and lake sediments. Boreal Environmental Research 20: 363-377.

2014 and earlier
Rühland, K.M., K.E. Hargan, A. Jeziorski, A.M. Paterson, W. Keller, and J.P. Smol. 2014. A multi-trophic exploratory survey of recent environmental change using lake sediments in the Hudson Bay Lowlands, Ontario, Canada. Arctic, Antarctic and Alpine Research 46(1): 142-161. doi: http://dx.doi.org/10.1657/1938-4246-46.1.139

Persaud, A.D., P.J. Dillon, L.A. Molot, and K.E. Hargan. 2012. Relationships between body size and trophic position (based on δ15N) for consumers in temperate freshwater lakes. Aquatic Sciences 74(1): 203-212. DOI:10.1007/s00027-011-0212-9.

Hargan, K.E., A.M. Paterson, and P.J. Dillon. 2011. A total phosphorus budget for the Lake of the Woods and Rainy River catchment. Journal of Great Lakes Research 37(4): 753-763. doi:10.1016/j.jglr.2011.09.001.

Featured on Kenora Daily Miner and News

Rühland, K.M., A.M. Paterson, K.E. Hargan, A. Jenkin, B.J. Clark and J.P. Smol. 2010. Reorganization of algal communities in the Lake of the Woods (Ontario, Canada) in response to turn of the century damming and recent warming. Limnology and Oceanography 55(6): 2433-2451. DOI:10.4319/lo.2010.55.6.2433.

Conference Presentations:

I have authored or co-authored over 50 oral and poster presentations to a wide range of international, national, and regional conferences and seminar series, including:

Association for the Sciences of Limnology and Oceanography (ASLO) (2017, 2019)

International Diatom Symposium (IDS) (2016)

International Society of Limnologists (SIL) (2016, 2018)

ArcticNet (2015)

Society of Canadian Limnologists (SCL) (2009, 2010, 2015, 2017)

Quebec-Ontario Paleolimnology Symposium (PALS) (2010, 2012, 2013, 2014, 2017)

Canadian Quaternary Association (CANQUA) (2013, 2015)

International Association for Great Lakes Research (IAGLR) (2011, 2012, 2013)

International Paleolimnologyical Symposium (2012, 2015, 2018)

North American Lake Management Society (NALMS) (2010, 2013)

Science for a Changing North - Sudbury Restoration Workshop (2009, 2011, 2013)

International Lake of the Woods Water Quality Forum (2008, 2009, 2010, 2011)

American Geophysical Union (AGU) (2009)

Canadian Society for Ecology and Evolution (CSEE) (2009)

Central Ontario Water Quality Symposium (2009)

Additionally, I have presented in and continue to be active in many internal university seminar series and conferences such as the Keck Sciences Departmental Seminar Series, the Limnology Seminar Series, and Northern Research Symposium at Queen's University.