Organic matter and soil biota of upland wetlands in Taylor Valley, Antarctica

In January 2001, we surveyed streams and ponds above 300 m a.s.l. in Taylor Valley, South Victoria Land, Antarctica. One pond was examined in detail. Organic materials covered nearly 100% of the adjacent soil to 5-20 m from the shore, with intermittent patches to 80 m. Organic matter averaged 257 g...

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Bibliographic Details
Published in:Polar biology 2003-09, Vol.26 (9), p.567-576
Main Authors: Moorhead, Daryl L., Barrett, John E., Virginia, Ross A., Wall, Diana H., Porazinska, Dorota
Format: Article
Language:English
Subjects:
Biota
Carbon
Moisture content
Organic carbon
Organic matter
Ponds
Soil invertebrates
Soil moisture
Soils
Valleys
Wetlands
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Summary:In January 2001, we surveyed streams and ponds above 300 m a.s.l. in Taylor Valley, South Victoria Land, Antarctica. One pond was examined in detail. Organic materials covered nearly 100% of the adjacent soil to 5-20 m from the shore, with intermittent patches to 80 m. Organic matter averaged 257 g C/m^sup 2^, and totaled 1,388 kg organic C on the soil around the pond. Soil-moisture content (0.56-12.41%) decreased with distance from shore, whereas pH (7.8-10.8) increased with distance. Electrical conductivity was lowest in the soils
ISSN:0722-4060
1432-2056
DOI:10.1007/s00300-003-0524-x