The planktonic diatom flora of a high arctic lake in East Greenland |
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Authors: | Holger Cremer |
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Institution: | Netherlands Organization for Applied Scientific Research TNO, Geological Survey of the Netherlands, Princetonlaan 6, 3584 CB Utrecht, The Netherlands, |
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Abstract: | The physico-chemical characteristics and the planktonic diatom flora were studied in high arctic Loon Lake (Geographical Society Ø, East Greenland). Loon Lake is a cold, monomictic, alkaline, low conductive and likely oligotrophic lake with a maximum water depth of 11.70 m and a low diversity of planktonic diatoms. In summer 2003, the lake-water diatom community consisted of three taxa: frustules belonging to the morphologically highly variable Cyclotella ocellata-polymorpharossii-tripartita-complex were most abundant, and both Discostella pseudostelligera and Fragilaria tenera were of minor importance. The morphological variability of the three diatom taxa is documented by light micrographs. |
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