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Antarctic Ecosystems

Author : R. Bargagli
ISBN : 9783540264651
Genre : Science
File Size : 71.69 MB
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This volume provides an overview of climate change data, its effects on the structure and functioning of Antarctic ecosystems, and the occurrence and cycling of persistent contaminants. It discusses the role of Antarctic research for the protection of the global environment. The book also examines possible future scenarios of climate change and the role of Antarctic organisms in the early detection of environmental perturbations.
Category: Science

Antarctic Ecosystems

Author : Alex D. Rogers
ISBN : 9781444347227
Genre : Science
File Size : 66.12 MB
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Since its discovery Antarctica has held a deep fascination for biologists. Extreme environmental conditions, seasonality and isolation have lead to some of the most striking examples of natural selection and adaptation on Earth. Paradoxically, some of these adaptations may pose constraints on the ability of the Antarctic biota to respond to climate change. Parts of Antarctica are showing some of the largest changes in temperature and other environmental conditions in the world. In this volume, published in association with the Royal Society, leading polar scientists present a synthesis of the latest research on the biological systems in Antarctica, covering organisms from microbes to vertebrate higher predators. This book comes at a time when new technologies and approaches allow the implications of climate change and other direct human impacts on Antarctica to be viewed at a range of scales; across entire regions, whole ecosystems and down to the level of species and variation within their genomes. Chapters address both Antarctic terrestrial and marine ecosystems, and the scientific and management challenges of the future are explored.
Category: Science

Trends In Antarctic Terrestrial And Limnetic Ecosystems

Author : D.M. Bergstrom
ISBN : 9781402052767
Genre : Nature
File Size : 44.34 MB
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The Antarctic provides a suite of scenarios useful for investigating the range of climate change effects on terrestrial and limnetic biota. The purpose of the book is to provide, based on the most up to date knowledge, a synthesis of the likely effects of climate change on Antarctic terrestrial and limnetic ecosystems and, thereby, to contribute to their management and conservation, based on the information.
Category: Nature

Plants In Alpine Regions

Author : Cornelius Lütz
ISBN : 3709101360
Genre : Science
File Size : 73.84 MB
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This book brings together experts from different fields, who used a broad spectrum of methods to investigate the physiological and cellular adaptation of alpine plants from the tree line to the upper limits. Some articles link alpine plant physiology with physiological adaptations observed in polar plants. Tolerance against often high light intensities (including UV), cold or freezing temperatures, in addition to the need for fast tissue development, flowering, and propagation that is managed by alpine plants are to some extent underrepresented in recent research. This volume considers ice formation and winter conditions in alpine plants; the fate of cryophilic algae and microorganisms; cell structural adaptations; sexual reproduction in high altitudes; the physiology of photosynthesis, antioxidants, metabolites, carbon and nitrogen; and the influences of microclimate (temperatures at the plant level, heat tolerance), UV light, weather and ozone. Further information on life processes in alpine extreme environments may additionally yield new insights into the range of adaptation processes in lowland plants.
Category: Science


Author :
ISBN : UCSD:31822009653973
Genre : Antarctica
File Size : 68.22 MB
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Category: Antarctica

Antarctic Ecosystems

Author : International Council of Scientific Unions. Scientific Committee on Antarctic Research
ISBN : 3540521011
Genre : Science
File Size : 34.24 MB
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"Compilation of papers which were presented at a Symposium on Antarctic Biology... which was the fifth in a series held under the auspices of the Scientific Committee on Antarctic Research (SCAR) ... at the University Centre, University of Tasmania, Hobart, Australia, 29 August-3 September 1988" --T.p. verso.
Category: Science