期刊
POLAR BIOLOGY
卷 34, 期 8, 页码 1211-1220出版社
SPRINGER
DOI: 10.1007/s00300-011-0982-5
关键词
Relict; Collembola; Beardmore Glacier; Mosses; Diversity; Lichens
资金
- New Zealand Foundation for Research, Science and Technology (FRST)
- University of Waikato
- Department of Biological Sciences, University of Waikato
- FRST
- Spanish Education Ministry [POL2006-08405, CTM2009- 12838-C04-01]
Investigations of lichens collected in 1959/1960, 1963/1964 and 2003 from near the Beardmore Glacier in the southern Ross Sea region (84A degrees S) have more than doubled the number of known lichen species in the area to around 30. The ranges of 15 species have been extended to 84A degrees S. A lichen diversity hotspot has also been found along Ebony Ridge and its associated peaks where 28 of the species occur, a number equivalent to more northerly sites in the Ross Sea (e.g. Botany Bay 77A degrees S). Furthermore, 6 species had been previously recorded only from the Antarctic Peninsula region. In agreement with previous studies on mites and springtails from the same area, we suggest that these populations represent relicts that predate the present Ross Ice Shelf extension, with a possible age of 2,000,000 years or older.
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