This thesis describes the ecology and taxonomy ofthis organism.Ace Lake is a saltwater, meromictic that was isolated from the marineenvironment approximately 6000 years ago. In 1992, The lake was 25 m deep,the top 12 m was oxygenated and the lake had a salinity range of 16 to 40 g kg-...
In the lower half of the level, the series includes til-lites corresponding to the first glaciation of Antarctica (300 million years ago) and is topped by basalt covers with strata of tillites of the second glaciation of Antarctica (150 million years ago). Interspersing the Beacon ...
than twice the total a decade ago. Of the visitors who travelled with IAATO members to Antarctica, most come by cruise ship but ~1% travelled by aircraft to destinations in the continental interior, such as Union Glacier Camp (79°S, Ellsworth Mountains). Fig. 1: Human presence in Antarctic...
Until 2200 years ago, Warnstorfia fontinaliopsis was the dominant moss species pointing to a wet environment. Lower numbers of this species in association with the presence of drier species are assumed to indicate drier periods, such as occurring between ca 6000–5200 and 4400–3400 cal yr BP...