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Chemical limnology in coastal East Antarctic lakes: monitoring future climate change in centres of endemism and biodiversity

Elie Verleyen UGent, Dominic A Hodgson, John Gibson, Satoshi Imura, Enn Kaup, Sakae Kudoh, Aaike De Wever UGent, Tamotsu Hoshino, Andrew McMinn and Dagmar Obbels UGent, et al. (2012) ANTARCTIC SCIENCE. 24(1). p.23-33
abstract
Polar lakes respond quickly to climate-induced environmental changes. We studied the chemical limnological variability in 127 lakes and ponds from eight ice-free regions along the East Antarctic coastline, and compared repeat specific conductance measurements from lakes in the Larsemann Hills and Skarvsnes covering the periods 1987-2009 and 1997-2008, respectively. Specific conductance, the concentration of the major ions, pH and the concentration of the major nutrients underlie the variation in limnology between and within the regions. This limnological variability is probably related to differences in the time of deglaciation, lake origin and evolution, geology and geomorphology of the lake basins and their catchment areas, sub-regional climate patterns, the distance of the lakes and the lake districts to the ice sheet and the Southern Ocean, and the presence of particular biota in the lakes and their catchment areas. In regions where repeat surveys were available, inter-annual and inter-decadal variability in specific conductance was relatively large and most pronounced in the non-dilute lakes with a low lake depth to surface area ratio. We conclude that long-term specific conductance measurements in these lakes are complementary to snow accumulation data from ice cores, inexpensive, easy to obtain, and should thus be part of long-term limnological and biological monitoring programmes.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
Lutzow-Holm Bay, hydrological balance, Prydz Bay, Schirmacher Oasis, snow accumulation, specific conductance, HIGH ARCTIC PONDS, SALINE LAKES, ENVIRONMENTAL-CHANGE, VESTFOLD HILLS, COMMUNITIES, EVOLUTION, RESPONSES, SNOWFALL, HISTORY, BIOLOGY
journal title
ANTARCTIC SCIENCE
Antarct. Sci.
volume
24
issue
1
pages
23 - 33
Web of Science type
Article
Web of Science id
000299936300004
JCR category
GEOSCIENCES, MULTIDISCIPLINARY
JCR impact factor
1.63 (2012)
JCR rank
73/170 (2012)
JCR quartile
2 (2012)
ISSN
0954-1020
DOI
10.1017/S0954102011000642
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
2071599
handle
http://hdl.handle.net/1854/LU-2071599
date created
2012-03-21 14:15:19
date last changed
2012-04-10 15:23:45
@article{2071599,
  abstract     = {Polar lakes respond quickly to climate-induced environmental changes. We studied the chemical limnological variability in 127 lakes and ponds from eight ice-free regions along the East Antarctic coastline, and compared repeat specific conductance measurements from lakes in the Larsemann Hills and Skarvsnes covering the periods 1987-2009 and 1997-2008, respectively. Specific conductance, the concentration of the major ions, pH and the concentration of the major nutrients underlie the variation in limnology between and within the regions. This limnological variability is probably related to differences in the time of deglaciation, lake origin and evolution, geology and geomorphology of the lake basins and their catchment areas, sub-regional climate patterns, the distance of the lakes and the lake districts to the ice sheet and the Southern Ocean, and the presence of particular biota in the lakes and their catchment areas. In regions where repeat surveys were available, inter-annual and inter-decadal variability in specific conductance was relatively large and most pronounced in the non-dilute lakes with a low lake depth to surface area ratio. We conclude that long-term specific conductance measurements in these lakes are complementary to snow accumulation data from ice cores, inexpensive, easy to obtain, and should thus be part of long-term limnological and biological monitoring programmes.},
  author       = {Verleyen, Elie and Hodgson, Dominic A and Gibson, John and Imura, Satoshi and Kaup, Enn and Kudoh, Sakae and De Wever, Aaike and Hoshino, Tamotsu and McMinn, Andrew and Obbels, Dagmar and Roberts, Donna and Roberts, Steve and Sabbe, Koen and Souffreau, Caroline and Tavernier, Ines and Van Nieuwenhuyze, Wim and Van Ranst, Eric and Vindevogel, Nicole and Vyverman, Wim},
  issn         = {0954-1020},
  journal      = {ANTARCTIC SCIENCE},
  keyword      = {Lutzow-Holm Bay,hydrological balance,Prydz Bay,Schirmacher Oasis,snow accumulation,specific conductance,HIGH ARCTIC PONDS,SALINE LAKES,ENVIRONMENTAL-CHANGE,VESTFOLD HILLS,COMMUNITIES,EVOLUTION,RESPONSES,SNOWFALL,HISTORY,BIOLOGY},
  language     = {eng},
  number       = {1},
  pages        = {23--33},
  title        = {Chemical limnology in coastal East Antarctic lakes: monitoring future climate change in centres of endemism and biodiversity},
  url          = {http://dx.doi.org/10.1017/S0954102011000642},
  volume       = {24},
  year         = {2012},
}

Chicago
Verleyen, Elie, Dominic A Hodgson, John Gibson, Satoshi Imura, Enn Kaup, Sakae Kudoh, Aaike De Wever, et al. 2012. “Chemical Limnology in Coastal East Antarctic Lakes: Monitoring Future Climate Change in Centres of Endemism and Biodiversity.” Antarctic Science 24 (1): 23–33.
APA
Verleyen, E., Hodgson, D. A., Gibson, J., Imura, S., Kaup, E., Kudoh, S., De Wever, A., et al. (2012). Chemical limnology in coastal East Antarctic lakes: monitoring future climate change in centres of endemism and biodiversity. ANTARCTIC SCIENCE, 24(1), 23–33.
Vancouver
1.
Verleyen E, Hodgson DA, Gibson J, Imura S, Kaup E, Kudoh S, et al. Chemical limnology in coastal East Antarctic lakes: monitoring future climate change in centres of endemism and biodiversity. ANTARCTIC SCIENCE. 2012;24(1):23–33.
MLA
Verleyen, Elie, Dominic A Hodgson, John Gibson, et al. “Chemical Limnology in Coastal East Antarctic Lakes: Monitoring Future Climate Change in Centres of Endemism and Biodiversity.” ANTARCTIC SCIENCE 24.1 (2012): 23–33. Print.