Research Topics
| John P SmolSummaryAffiliation: Queen's University Country: Canada Publications
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Detail Information
Publications
Climate-driven regime shifts in the biological communities of arctic lakesJohn P Smol
Paleoecological Environmental Assessment and Research Laboratory, Department of Biology, Queen s University, Kingston, Ontario, Canada K7L 3N6
Proc Natl Acad Sci U S A 102:4397-402. 2005..The widespread distribution and similar character of these changes indicate that the opportunity to study arctic ecosystems unaffected by human influences may have disappeared...
Crossing the final ecological threshold in high Arctic pondsJohn P Smol
Paleoecological Environmental Assessment and Research Laboratory, Department of Biology, Queen s University, Kingston, ON, Canada K7L 3N6
Proc Natl Acad Sci U S A 104:12395-7. 2007..The final ecological threshold for these aquatic ecosystems has now been crossed: complete desiccation...
Seabird-driven shifts in Arctic pond ecosystemsNeal Michelutti
Paleoecological Environmental Assessment and Research Laboratory PEARL, Department of Biology, Queen s University, Kingston, Ontario, Canada K7L 3N6
Proc Biol Sci 276:591-6. 2009..Our findings suggest that climate-related shifts in global seabird populations will have the unexpected consequence of restructuring coastal ecosystems...
Contamination of an arctic terrestrial food web with marine-derived persistent organic pollutants transported by breeding seabirdsEmily S Choy
Department of Biology, University of Ottawa, ON, Canada
Environ Pollut 158:3431-8. 2010..Our study provides novel contaminant data for these species and supports biovector transport as a source of organic contaminants to certain components of the terrestrial food web...
An isotopic investigation of mercury accumulation in terrestrial food webs adjacent to an Arctic seabird colonyEmily S Choy
Program for Chemical and Environmental Toxicology, Department of Biology, University of Ottawa, Ottawa, ON, Canada
Sci Total Environ 408:1858-67. 2010....
Accelerated delivery of polychlorinated biphenyls (PCBs) in recent sediments near a large seabird colony in Arctic CanadaNeal Michelutti
Paleoecological Environmental Assessment and Research Laboratory, Department of Biology, Queen s University, 116 Barrie St, Kingston, ON K7L 3N6, Canada
Environ Pollut 157:2769-75. 2009..The high PCB levels recorded in the seabird-affected sites suggest that seabird colonies are exposing coastal ecosystems to elevated levels of contaminants...
Trophic position influences the efficacy of seabirds as metal biovectorsNeal Michelutti
Paleoecological Environmental Assessment and Research Laboratory, Department of Biology, Queen s University, Kingston, ON, Canada
Proc Natl Acad Sci U S A 107:10543-8. 2010..The predominance of large seabird colonies on every continent suggests that similar processes are operating along coastlines worldwide...
Spatial and temporal assessment of mercury and organic matter in thermokarst affected lakes of the Mackenzie Delta uplands, NT, CanadaRamin Deison
Program for Chemical and Environmental Toxicology, Department of Biology, University of Ottawa, ON, K1N 6N5, Canada
Environ Sci Technol 46:8748-55. 2012..We conclude that retrogressive thaw slump development increases inorganic sedimentation in lakes, and decreases concentrations of organic carbon and associated Hg and MeHg in sediments...
Anomalous rise in algal production linked to lakewater calcium decline through food web interactionsJennifer B Korosi
Paleoecological Environmental Assessment and Research Laboratory PEARL, Department of Biology, Queen s University, Kingston Ontario, Canada
Proc Biol Sci 279:1210-7. 2012..Ca] decline has severe implications for whole-lake food webs, and presents yet another mechanism for potential increases in algal blooms...
The widespread threat of calcium decline in fresh watersAdam Jeziorski
Paleoecological Environmental Assessment and Research Lab, Department of Biology, Queen s University, Kingston, ON, Canada, K7L 3N6
Science 322:1374-7. 2008..The ecological impacts of environmental calcium loss are likely to be both widespread and pronounced...
Biologically mediated transport of contaminants to aquatic systemsJules M Blais
Program for Chemical and Environmental Toxicology, Department of Biology, University of Ottawa, Ottawa, Ontario, K1N 6N5, Canada
Environ Sci Technol 41:1075-84. 2007..We conclude that biovector transport should not be neglected when considering environmental risks of biomagnifying contaminants...
Persistent millennial-scale shifts in moisture regimes in western Canada during the past six millenniaBrian F Cumming
Paleoecological Environmental Assessment and Research Laboratory, Department of Biology, Queen s University, Kingston, ON, Canada K7L 3N6
Proc Natl Acad Sci U S A 99:16117-21. 2002..Unfortunately, the spatial patterns and mechanisms behind these large and abrupt swings are poorly understood. Similar abrupt and prolonged changes in climatic conditions today could pose major societal challenges for many regions...
Dissecting the spatial scales of mercury accumulation in Ontario lake sedimentR Brad Mills
University of Ottawa, Department of Biology, Chemical and Environmental Toxicology, Ontario, Canada
Environ Pollut 157:2949-56. 2009..5%), while finer spatial patterns only observed in Hg(present-day) and Hg EF were best explained by pH (average shared variance = 10.8%)...
Marine sediments tell it like it wasJohn P Smol
Paleoecological Environmental Assessment and Research Laboratory, Department of Biology, Queen's University, Kingston, ON, Canada K7L 3N6
Proc Natl Acad Sci U S A 104:17563-4. 2007
Arctic seabirds transport marine-derived contaminantsJules M Blais
Centre for Advanced Research in Environmental Genomics, Department of Biology, University of Ottawa, Ottawa, Ontario, K1N 6N5 Canada
Science 309:445. 2005..Bird guano greatly stimulates biological productivity in these extreme environments but also serves as a major source of industrial and agricultural pollutants in these remote ecosystems...
Cumulative effects of climate warming and other human activities on freshwaters of Arctic and subarctic North AmericaDavid W Schindler
University of Alberta, Department of Biological Sciences, Edmonton, Alberta, Canada
Ambio 35:160-8. 2006..The cumulative effects of these stresses will be far more serious than those caused by changing climate alone...
Concentrations and fluxes of salmon-derived polychlorinated biphenyls (PCBs) in lake sedimentsEva M Krümmel
Department of Biology, University of Ottawa, 150 Louis Pasteur, Ottawa, Ontario KIN 6N5, Canada
Environ Sci Technol 39:7020-6. 2005..Unlike temperate Great Lakes contaminant studies, the North American west-coast lakes dominated by salmon bio-transport showed no sign of recent decrease in PCBs...
Fisheries productivity in the northeastern Pacific Ocean over the past 2,200 yearsBruce P Finney
Institute of Marine Science, University of Alaska Fairbanks, Fairbanks, Alaska 99775 7220, USA
Nature 416:729-33. 2002..The coherent patterns observed across large regions demonstrate the strong role of climatic forcing in regulating northeastern Pacific fish stocks...
Some sources and sinks of monomethyl and inorganic mercury on Ellesmere Island in the Canadian High ArcticVincent L St Louis
Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada T6G 2E9
Environ Sci Technol 39:2686-701. 2005..0 ng/L), leading us to conclude that there are very active regions of microbial Hg(II) methylation in freshwater systems during the short summer season in the High Arctic...
Prehistoric Inuit whalers affected Arctic freshwater ecosystemsMarianne S V Douglas
Paleoenvironmental Assessment Laboratory, Department of Geology, University of Toronto, 22 Russell Street, Toronto, Ontario, Canada M5S 3B1
Proc Natl Acad Sci U S A 101:1613-7. 2004..This is the earliest reported paleolimnological record of changes in aquatic ecology associated with local human activities in Canada or the United States, or for any circumpolar ecosystem...
