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Abstract … Current ecological theory and practice, in parallel with the changing emphasis in international conservation and management organisations towards an ecosystem approach, require us to:
Bryophytes are sensitive indicators of environmental change and with climate change being expected to occur first at high latitudes, Antarctic bryophytes are ideal study systems for the detection of climate change effects.
The study reported here invesitgates the practice og science in a particular institution. It examines the actual positions, politics and epistemology og women scientsts within the Australian National Antarctic Research Expeditions. With a focus on their narratives…
Surface sediments (0-25 cm) from Ace Lake (eastern Antarctica), a saline euxinic lake, were analyzed to study the early incorporation of reduced inorganic sulfur species into organic matter. The apolar fractions were shown to consist predominantly of dimeric (poly)sulfide linked C-27-C-29 steroids.
Heard Island is possibly the remotest speck of land on the Earth. It was only in the 1850s that the human race finally reached this most isolated of places.
The modern phase of volcanism on Heard Island probably is younger than one million years and is responsible for building Big Ben, the bulk of the island. The nearby McDonald Islands are less than 100 000 years old and are volcanically active. Big Ben sits on the Drygalski Formation…