Dr. Andrew L. Labaj

Current research and/or projects

-Environmental Emergencies Policy

Professional activities / interests



-Aquatic Ecology

-Environmental Change

Education and awards

B.Sc. (Hons.) Biology, Queen's University, 2012

M.Sc. Biology, Queen's University, 2014

Ph.D. Biology, Queen's University, 2018

Key publications

Jones AG, Labaj AL, Campbell JM, Libera N, Kurek J (2022). Zooplankton assemblage and body size responses to severe lake eutrophication from agricultural activities near mink farms in Nova Scotia, Canada. Journal of Plankton Research 44: 464—474. DOI:10.1093/plankt/fbac022

Labaj AL, LeBlanc AD, Doucet CV, Tardif CE, Kurek J (2021). Microlitter in the water, sediments, and mussels of the Saint John River (Wolastoq) watershed, Atlantic Canada. Canadian Journal of Fisheries and Aquatic Sciences 79: 566–575. DOI: 10.1139/cjfas-2021-0121

Clark AJ, Labaj AL, Smol JP, Campbell LM, Kurek J (2021). Arsenic and mercury contamination and complex aquatic bioindicator responses to historical gold mining and modern watershed stressors in urban Nova Scotia, Canada. Science of the Total Environment: 147374. DOI: 10.1016/j.scitotenv.2021.147374

Labaj AL, Jeziorski A, Kurek J, Bennet JR, Korosi JB, DeSellas AM, Sweetman JN, Thienpont JR, Cumming BF, Paterson AM, Smol JP (2021). Continental scale patterns and environmental drivers of sedimentary cladoceran assemblages: A synthesis across Alaska and Canadian datasets. Freshwater Biology 66: 949–967. DOI: 10.1111/fwb.13689

Doucet CV, Labaj AL, Kurek J (2021). Microfiber content in freshwater mussels from rural tributaries of the Saint John River, Canada. Water, Air, & Soil Pollution 232: 32. DOI: 10.1007/s11270-020-04958-4

Pegler S, Simmatis B, Labaj AL, Smol JP (2020). Long-term changes in chironomid assemblages linked to lake liming and fertilization in previously acidified Middle Lake (Sudbury, ON, CA). Water, Air, & Soil Pollution 231: 410. DOI: 10.1007/s11270-020-04780-y

Michelutti N, Tapia PM, Grooms C, Labaj AL, Smol JP (2020). Differing limnological responses to late Holocene climate variability in the Cordillera Vilcanota, Peruvian Andes. Journal of Paleolimnology 64: 121–135. DOI: 10.1007/s10933-020-00127-z

Meyer-Jacob C, Labaj AL, Paterson AM, Edwards BA, Keller W, Cumming BF, Smol JP (2020). Re-browning of Sudbury (Ontario, Canada) lakes now approaches pre-acid deposition lake-water dissolved organic carbon levels. Science of the Total Environment 725: 138347. DOI: 10.1016/j.scitotenv.2020.138347

Michelutti N, Tapia PM, Labaj AL, Grooms CJ, Wang X, Smol JP (2019). A limnological assessment of the diverse waterscape in the Cordillera Vilcanota, Peruvian Andes. Inland Waters 9: 395–407. DOI: 10.1080/20442041.2019.1582959

Labaj AL, Michelutti N, Smol JP (2018). Annual stratification patterns in tropical mountain lakes reflect altered thermal regimes in response to climate change. Fundamental and Applied Limnology 191: 267–275. DOI: 10.1127/fal/2018/1151

Labaj AL, Michelutti N, Smol JP (2018). Cladocera in shallow lakes from the Ecuadorian Andes show little response to recent climate change. Hydrobiologia 822: 203–216. DOI: 10.1007/s10750-018-3681-1

Labaj AL, Michelutti N, Smol JP (2017). Changes in cladoceran assemblages from tropical high mountain lakes during periods of recent climate change. Journal of Plankton Research 39: 211–219. DOI: 10.1093/plankt/fbw092

Labaj AL, Korosi JB, Kurek J, Jeziorski A, Keller W, Smol JP (2016). Response of Bosmina size structure to the acidification and recovery of lakes near Sudbury, Canada. Journal of Limnology 75(s2): 22–29. DOI: 10.4081/jlimnol.2016.1183

Sivarajah B, Rühland KM, Labaj AL, Paterson AM, Smol JP (2016). Why is the relative abundance of Asterionella formosa increasing in a Boreal Shield lake as nutrient levels decline? Journal of Paleolimnology 55: 357–367. DOI: 10.1007/s10933-016-9886-2

Michelutti N, Labaj AL, Grooms CJ, Smol JP (2016). Equatorial mountain lakes show extended periods of thermal stratification with recent climate change. Journal of Limnology 75: 403–408. DOI: 10.4081/jlimnol.2016.1444

Labaj AL, Kurek J, Jeziorski A, Smol JP (2015). Elevated metal concentrations inhibit biological recovery of Cladocera in previously acidified boreal lakes. Freshwater Biology 60: 347–359. DOI: 10.1111/fwb.12496

Labaj AL, Kurek J, Smol JP (2014). Chaoborus americanus predation influences Bosmina mucro lengths in fishless lakes. Journal of Paleolimnology 51: 449–454. DOI: 10.1007/s10933-013-9751-5

Labaj AL, Jeziorski A, Kurek J, Smol JP (2014). Long-term trends in cladoceran assemblages related to acidification and subsequent liming of Middle Lake (Sudbury, Canada). Water, Air, & Soil Pollution 225. DOI: 10.1007/s11270-014-1868-2

Labaj AL, Kurek J, Weeber RC, Smol JP (2013). Long-term changes in invertebrate size structure and composition in a boreal headwater lake with a known minnow introduction. Journal of Limnology 72: 215–226. DOI: 10.4081/jlimnol.2013.e17