Christoffersen, Kirsten Seestern; Amsinck, Susanne L; Landkildehus, Frank; Lauridsen, Torben L; Jeppesen, Erik (2008): Water chemistry of lakes in Zackenbergdalen between 1997-2003, East Greenland [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.808539, Supplement to: Christoffersen, KS et al. (2008): Lake flora and fauna in relation to ice-melt, water temperature and chemistry at Zackenberg. Advances in Ecological Research, 40, 371-389, https://doi.org/10.1016/S0065-2504(07)00016-5
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Abstract:
The ecology of arctic lakes is strongly influenced by climate-generated variations in snow coverage and by the duration of the ice-free period, which, in turn, affect the physical and chemical conditions of the lakes (Wrona et al., 2005, http://www.acia.uaf.edu/PDFs/ACIA_Science_Chapters_Final/ACIA_Ch08_Final.pdf). Most arctic lakes are characterised by a long period (8-10 months) of ice-cover, cold water and low algal biomass. The water temperature and nutrient concentrations, and most probably the nutrient input from the catchments, are closely related to the duration of snow- and ice-cover in the lakes. In years when the ice-out is late, - that is, in late July, - phytoplankton photosynthesis is limited by the lack of light and nutrients. Less food is then available to the next link in the food chain, such as copepods and daphnids, with implication on their growth rates.
Project(s):
Coverage:
Latitude: 74.504300 * Longitude: -20.627900
Date/Time Start: 1997-07-31T00:00:00 * Date/Time End: 2003-07-31T00:00:00
Event(s):
Comment:
Data extracted in the frame of a joint ICSTI/PANGAEA IPY effort, see http://doi.pangaea.de/10.1594/PANGAEA.150150
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
2 datasets
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Datasets listed in this publication series
- Christoffersen, KS; Amsinck, SL; Landkildehus, F et al. (2008): (Table 1) Water chemistry of lakes in Zackenbergdalen, East Greenland. https://doi.org/10.1594/PANGAEA.808536
- Christoffersen, KS; Amsinck, SL; Landkildehus, F et al. (2008): (Table 2) Comparison of water chemistry in 1997 vs. 2003 of lakes in Zackenbergdalen, East Greenland. https://doi.org/10.1594/PANGAEA.808538