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Books > Earth & environment > Geography > Physical geography
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The Ecology of Snow and Ice Environments (Paperback, New)
Loot Price: R2,292
Discovery Miles 22 920
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The Ecology of Snow and Ice Environments (Paperback, New)
Expected to ship within 12 - 19 working days
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Snow and ice environments support significant biological activity,
yet the biological importance of some of these habitats, such as
glaciers, has only recently gained appreciation. Collectively,
these ecosystems form a significant part of the cryosphere, most of
which is situated at high latitudes. These ice environments are
important sentinels of climate change since the polar regions are
presently undergoing the highest rates of climate warming,
resulting in very marked changes in the extent of ice caps,
glaciers, and the sea ice. Glacial systems are also regarded as an
analogue for astrobiology, particularly for Mars and the moons of
Jupiter (e.g. Europa), and one of the justifications for research
in this area is its potential value in astrobiology. This timely
and accessible volume draws together the current knowledge on life
in snow and ice environments. It describes these often complex and
often productive ecosystems, their physical and chemical
conditions, and the nature and activity of the organisms that have
colonised them. The cryosphere is the domain of extremophiles,
organisms able to adapt to the physiological and biochemical
challenges of harsh cold conditions where liquid water may only be
present for relatively short periods each year. The majority of
extremophiles in ice and snow are microorganisms. The Ecology of
Snow and Ice Environments is intended for the non-specialist,
enabling environmental scientists to understand the biological
functioning of extreme cold environments and for biologists to gain
knowledge of the nature of the cryosphere.
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