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Paleolimnological assessment of limnological change in 10 lakes from northwest Saskatchewan downwind of the Athabasca oils sands based on analysis of siliceous algae and trace metals in sediment cores

The extraction of bitumen from the Athabasca oil sands is rapidly expanding, and emission of sulphur and nitrogen oxides has substantially increased. To determine whether lakes downwind of this development in northwest Saskatchewan have been detrimentally impacted since development of the oil sands,... Full description

Journal Title: Hydrobiologia 2013-08-04, Vol.720 (1), p.55-73
Main Author: Laird, Kathleen R
Other Authors: Das, Biplob , Kingsbury, Melanie , Moos, Melissa T , Pla-Rabes, Sergi , Ahad, Jason M. E , Wiltse, Brendan , Cumming, Brian F
Format: Electronic Article Electronic Article
Language: English
Subjects:
Publisher: Dordrecht: Springer Netherlands
ID: ISSN: 0018-8158
Link: http://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27875647
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recordid: cdi_gale_infotracacademiconefile_A352616075
title: Paleolimnological assessment of limnological change in 10 lakes from northwest Saskatchewan downwind of the Athabasca oils sands based on analysis of siliceous algae and trace metals in sediment cores
format: Article
creator:
  • Laird, Kathleen R
  • Das, Biplob
  • Kingsbury, Melanie
  • Moos, Melissa T
  • Pla-Rabes, Sergi
  • Ahad, Jason M. E
  • Wiltse, Brendan
  • Cumming, Brian F
subjects:
  • Algae
  • Animal and plant ecology
  • Animal, plant and microbial ecology
  • Athabasca oil s
  • Biological and medical sciences
  • Biomedical and Life Sciences
  • Bituminous materials
  • Chrysophyte scales
  • Climate change
  • Climatology. Bioclimatology. Climate change
  • Diatoms
  • Earth, ocean, space
  • Ecology
  • Exact sciences and technology
  • External geophysics
  • Fresh water ecosystems
  • Freshwater & Marine Ecology
  • Fundamental and applied biological sciences. Psychology
  • General aspects
  • Global temperature changes
  • Lake acidification
  • Life Sciences
  • Meteorology
  • Nitrogen oxide
  • Oil sands
  • Plant cytology, morphology, systematics, chorology and evolution
  • Primary Research Paper
  • Saskatchewan
  • Sediments (Geology)
  • Synecology
  • Thallophyta
  • Trace metals
  • Zoology
ispartof: Hydrobiologia, 2013-08-04, Vol.720 (1), p.55-73
description: The extraction of bitumen from the Athabasca oil sands is rapidly expanding, and emission of sulphur and nitrogen oxides has substantially increased. To determine whether lakes downwind of this development in northwest Saskatchewan have been detrimentally impacted since development of the oil sands, a paleolimnological assessment of ten lakes was carried out. Analysis of diatom valves and inferences of diatom-inferred pH indicated that emissions have not resulted in widespread chronic acidification of acid-sensitive lakes ~80–250 km east and northeast of the oil sands development around Fort McMurray and Fort Mackay. However, one of the closest sites to the development indicated a slight decline in diatom-inferred pH, but the two next closest sites, both of which had higher alkalinity, did not show any evidence of acidification. There were also no consistent trends in the concentration or flux of total or individual priority pollutants including lead, mercury, copper, zinc and vanadium. The sedimentation rates in most lakes increased since the mid-1900s, along with increased flux of both diatoms and scaled chrysophytes. Subtle changes in the species assemblages of diatoms and increased flux of diatoms and chrysophyte scales are consistent with recent climate change in this region.
language: eng
source:
identifier: ISSN: 0018-8158
fulltext: no_fulltext
issn:
  • 0018-8158
  • 1573-5117
url: Link


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titlePaleolimnological assessment of limnological change in 10 lakes from northwest Saskatchewan downwind of the Athabasca oils sands based on analysis of siliceous algae and trace metals in sediment cores
creatorLaird, Kathleen R ; Das, Biplob ; Kingsbury, Melanie ; Moos, Melissa T ; Pla-Rabes, Sergi ; Ahad, Jason M. E ; Wiltse, Brendan ; Cumming, Brian F
creatorcontribLaird, Kathleen R ; Das, Biplob ; Kingsbury, Melanie ; Moos, Melissa T ; Pla-Rabes, Sergi ; Ahad, Jason M. E ; Wiltse, Brendan ; Cumming, Brian F
descriptionThe extraction of bitumen from the Athabasca oil sands is rapidly expanding, and emission of sulphur and nitrogen oxides has substantially increased. To determine whether lakes downwind of this development in northwest Saskatchewan have been detrimentally impacted since development of the oil sands, a paleolimnological assessment of ten lakes was carried out. Analysis of diatom valves and inferences of diatom-inferred pH indicated that emissions have not resulted in widespread chronic acidification of acid-sensitive lakes ~80–250 km east and northeast of the oil sands development around Fort McMurray and Fort Mackay. However, one of the closest sites to the development indicated a slight decline in diatom-inferred pH, but the two next closest sites, both of which had higher alkalinity, did not show any evidence of acidification. There were also no consistent trends in the concentration or flux of total or individual priority pollutants including lead, mercury, copper, zinc and vanadium. The sedimentation rates in most lakes increased since the mid-1900s, along with increased flux of both diatoms and scaled chrysophytes. Subtle changes in the species assemblages of diatoms and increased flux of diatoms and chrysophyte scales are consistent with recent climate change in this region.
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languageeng
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subjectAlgae ; Animal and plant ecology ; Animal, plant and microbial ecology ; Athabasca oil s ; Biological and medical sciences ; Biomedical and Life Sciences ; Bituminous materials ; Chrysophyte scales ; Climate change ; Climatology. Bioclimatology. Climate change ; Diatoms ; Earth, ocean, space ; Ecology ; Exact sciences and technology ; External geophysics ; Fresh water ecosystems ; Freshwater & Marine Ecology ; Fundamental and applied biological sciences. Psychology ; General aspects ; Global temperature changes ; Lake acidification ; Life Sciences ; Meteorology ; Nitrogen oxide ; Oil sands ; Plant cytology, morphology, systematics, chorology and evolution ; Primary Research Paper ; Saskatchewan ; Sediments (Geology) ; Synecology ; Thallophyta ; Trace metals ; Zoology
ispartofHydrobiologia, 2013-08-04, Vol.720 (1), p.55-73
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7Cumming, Brian F
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1Hydrobiologia
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descriptionThe extraction of bitumen from the Athabasca oil sands is rapidly expanding, and emission of sulphur and nitrogen oxides has substantially increased. To determine whether lakes downwind of this development in northwest Saskatchewan have been detrimentally impacted since development of the oil sands, a paleolimnological assessment of ten lakes was carried out. Analysis of diatom valves and inferences of diatom-inferred pH indicated that emissions have not resulted in widespread chronic acidification of acid-sensitive lakes ~80–250 km east and northeast of the oil sands development around Fort McMurray and Fort Mackay. However, one of the closest sites to the development indicated a slight decline in diatom-inferred pH, but the two next closest sites, both of which had higher alkalinity, did not show any evidence of acidification. There were also no consistent trends in the concentration or flux of total or individual priority pollutants including lead, mercury, copper, zinc and vanadium. The sedimentation rates in most lakes increased since the mid-1900s, along with increased flux of both diatoms and scaled chrysophytes. Subtle changes in the species assemblages of diatoms and increased flux of diatoms and chrysophyte scales are consistent with recent climate change in this region.
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0Algae
1Animal and plant ecology
2Animal, plant and microbial ecology
3Athabasca oil s
4Biological and medical sciences
5Biomedical and Life Sciences
6Bituminous materials
7Chrysophyte scales
8Climate change
9Climatology. Bioclimatology. Climate change
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11Earth, ocean, space
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13Exact sciences and technology
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15Fresh water ecosystems
16Freshwater & Marine Ecology
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19Global temperature changes
20Lake acidification
21Life Sciences
22Meteorology
23Nitrogen oxide
24Oil sands
25Plant cytology, morphology, systematics, chorology and evolution
26Primary Research Paper
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28Sediments (Geology)
29Synecology
30Thallophyta
31Trace metals
32Zoology
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titlePaleolimnological assessment of limnological change in 10 lakes from northwest Saskatchewan downwind of the Athabasca oils sands based on analysis of siliceous algae and trace metals in sediment cores
authorLaird, Kathleen R ; Das, Biplob ; Kingsbury, Melanie ; Moos, Melissa T ; Pla-Rabes, Sergi ; Ahad, Jason M. E ; Wiltse, Brendan ; Cumming, Brian F
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7Chrysophyte scales
8Climate change
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20Lake acidification
21Life Sciences
22Meteorology
23Nitrogen oxide
24Oil sands
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28Sediments (Geology)
29Synecology
30Thallophyta
31Trace metals
32Zoology
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atitlePaleolimnological assessment of limnological change in 10 lakes from northwest Saskatchewan downwind of the Athabasca oils sands based on analysis of siliceous algae and trace metals in sediment cores
jtitleHydrobiologia
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abstractThe extraction of bitumen from the Athabasca oil sands is rapidly expanding, and emission of sulphur and nitrogen oxides has substantially increased. To determine whether lakes downwind of this development in northwest Saskatchewan have been detrimentally impacted since development of the oil sands, a paleolimnological assessment of ten lakes was carried out. Analysis of diatom valves and inferences of diatom-inferred pH indicated that emissions have not resulted in widespread chronic acidification of acid-sensitive lakes ~80–250 km east and northeast of the oil sands development around Fort McMurray and Fort Mackay. However, one of the closest sites to the development indicated a slight decline in diatom-inferred pH, but the two next closest sites, both of which had higher alkalinity, did not show any evidence of acidification. There were also no consistent trends in the concentration or flux of total or individual priority pollutants including lead, mercury, copper, zinc and vanadium. The sedimentation rates in most lakes increased since the mid-1900s, along with increased flux of both diatoms and scaled chrysophytes. Subtle changes in the species assemblages of diatoms and increased flux of diatoms and chrysophyte scales are consistent with recent climate change in this region.
copDordrecht
pubSpringer Netherlands
doi10.1007/s10750-013-1623-5