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Author : U.S. Fish and Wildlife Service
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (488 download)
Download or read book Circumpolar Arctic Vegetation Map (CAVM) written by U.S. Fish and Wildlife Service and published by . This book was released on 1994* with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Donald A. Walker
Publisher :
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.:/5 (31 download)
Download or read book Proceedings of the Second Circumpolar Arctic Vegetation Mapping Workshop, Arendal, Norway, 19-24 May 1996 and the CAVM-North America Workshop, Anchorage, Alaska, US, 14-16 January 1997 written by Donald A. Walker and published by . This book was released on 1997 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Martha Kean Raynolds
Publisher :
ISBN 13 :
Total Pages : 520 pages
Book Rating : 4.:/5 (438 download)
Download or read book A Geobotanical Analysis of Circumpolar Arctic Vegetation, Climate, and Substrate written by Martha Kean Raynolds and published by . This book was released on 2009 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The objective of the research presented in this dissertation was to better understand the factors controlling the present and potential future distribution of arctic vegetation. The analysis compares the Circumpolar Arctic Vegetation Map (CAVM) with circumpolar data sets of environmental characteristics. Geographical information system (GIS) software was used to overlay the CAVM with a satellite index of vegetation (normalized difference vegetation index, NDVI) and environmental factors that are most important in controlling the distribution of arctic vegetation, including summer temperature, landscape age, precipitation, snow cover, substrate chemistry (pH and salinity), landscape type, elevation, permafrost characteristics, and distance to sea. Boosted regression tree analysis was used to determine the relative importance of different environmental characteristics for different vegetation types and for different regions. Results of this research include maps, charts and tables that summarize and display the spatial characteristics of arctic vegetation. The data for arctic land surface temperature and landscape age are especially important new resources for researchers. These results are available electronically, not only as summary data, but also as GIS data layers with a spatial context (www.arcticatlas.org). The results emphasize the value and reliability of NDVI for studying arctic vegetation. The relationship between NDVI and summer temperatures across the circumpolar arctic was similar to the correlated increases in NDVI and temperature seen over the time period of satellite records. Summaries of arctic biomass based on NDVI match those based on extrapolation from ground samples. The boosted regression tree analysis described ecological niches of arctic vegetation types, demonstrating the importance of summer temperatures and landscape age in controlling the distribution of arctic vegetation. As the world continues to focus on the Arctic as an area undergoing accelerated warming due to global climate change, results presented here from spatially explicit analysis of existing arctic vegetation and environmental characteristics can be used to better understand plant distribution patterns, evaluate change in the vegetation, and calibrate models of arctic vegetation and animal habitat."--Leaf iii.
Author : Mark Nuttall
Publisher : Routledge
ISBN 13 : 1136786805
Total Pages : 2306 pages
Book Rating : 4.1/5 (367 download)
Download or read book Encyclopedia of the Arctic written by Mark Nuttall and published by Routledge. This book was released on 2005-09-23 with total page 2306 pages. Available in PDF, EPUB and Kindle. Book excerpt: With detailed essays on the Arctic's environment, wildlife, climate, history, exploration, resources, economics, politics, indigenous cultures and languages, conservation initiatives and more, this Encyclopedia is the only major work and comprehensive reference on this vast, complex, changing, and increasingly important part of the globe. Including 305 maps. This Encyclopedia is not only an interdisciplinary work of reference for all those involved in teaching or researching Arctic issues, but a fascinating and comprehensive resource for residents of the Arctic, and all those concerned with global environmental issues, sustainability, science, and human interactions with the environment.
Author : Geological Survey (U.S.)
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (524 download)
Download or read book PROCEEDINGS OF THE THIRD INTERNATIONAL CIRCUMPOLAR ARCTIC VEGETATION MAPPING WORKSHOP MARKON, CARL J., WALKER written by Geological Survey (U.S.) and published by . This book was released on 2002* with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Martha Kean Raynolds
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (57 download)
Download or read book Fourth International Circumpolar Arctic Vegetation Mapping Workshop written by Martha Kean Raynolds and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D. A. Walker
Publisher :
ISBN 13 :
Total Pages : 121 pages
Book Rating : 4.:/5 (769 download)
Download or read book Circumpolar Arctic Vegetation Mapping Workshop written by D. A. Walker and published by . This book was released on 1994 with total page 121 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Birgit Sieg
Publisher : Museum Tusculanum Press
ISBN 13 : 9788763512756
Total Pages : 100 pages
Book Rating : 4.5/5 (127 download)
Download or read book Vegetation and Zonation in Continental West Greenland written by Birgit Sieg and published by Museum Tusculanum Press. This book was released on 2006 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Donald A. Walker
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (346 download)
Download or read book Circumpolar Arctic Vegetation Mapping Workshop written by Donald A. Walker and published by . This book was released on 1996 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 616 pages
Book Rating : 4.:/5 (318 download)
Download or read book Arctic Research of the United States written by and published by . This book was released on 1997 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Marilyn D Walker
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (827 download)
Download or read book Circumpolar Arctic Vegetation written by Marilyn D Walker and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stephen S. Talbot
Publisher :
ISBN 13 :
Total Pages : 86 pages
Book Rating : 4.F/5 ( download)
Download or read book Atlas of Rare Endemic Vascular Plants of the Arctic written by Stephen S. Talbot and published by . This book was released on 1999 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Geological Survey (U.S.)
Publisher :
ISBN 13 :
Total Pages : 160 pages
Book Rating : 4.:/5 (438 download)
Download or read book Proceedings of the Third International Circumpolar Arctic Vegetation Mapping Workshop written by Geological Survey (U.S.) and published by . This book was released on 1999 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yoo Kyung Lee
Publisher : Springer Nature
ISBN 13 : 3030345602
Total Pages : 117 pages
Book Rating : 4.0/5 (33 download)
Download or read book Arctic Plants of Svalbard written by Yoo Kyung Lee and published by Springer Nature. This book was released on 2020-02-07 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Arctic is a special world. The Arctic Ocean is covered by white sea ice, and its margins are surrounded by bare terrestrial regions, known as tundra. Tundra is a cold and dry environment without trees, but even in the absence of trees, tundra plants such as dwarf shrubs, grasses, herbs and moss support the harsh environment by providing sustenance and shelter. This book introduces representative arctic plants and their function in Svalbard, revealing the unique tundra ecosystem, and discussing the direct and indirect effects of climate change in the Arctic.
Author :
Publisher :
ISBN 13 :
Total Pages : 114 pages
Book Rating : 4.:/5 (555 download)
Download or read book Fourth International Circumpolar Arctic Vegetation Mapping Workshop written by and published by . This book was released on 2001 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jonathan Robert Bart
Publisher : Univ of California Press
ISBN 13 : 0520953495
Total Pages : 317 pages
Book Rating : 4.5/5 (29 download)
Download or read book Arctic Shorebirds in North America written by Jonathan Robert Bart and published by Univ of California Press. This book was released on 2012-09-01 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt: Each year shorebirds from North and South America migrate thousands of miles to spend the summer in the Arctic. There they feed in shoreline marshes and estuaries along some of the most productive and pristine coasts anywhere. With so much available food they are able to reproduce almost explosively; and as winter approaches, they retreat south along with their offspring, to return to the Arctic the following spring. This remarkable pattern of movement and activity has been the object of intensive study by an international team of ornithologists who have spent a decade counting, surveying, and observing these shorebirds. In this important synthetic work, they address multiple questions about these migratory bird populations. How many birds occupy Arctic ecosystems each summer? How long do visiting shorebirds linger before heading south? How fecund are these birds? Where exactly do they migrate and where exactly do they return? Are their populations growing or shrinking? The results of this study are crucial for better understanding how environmental policies will influence Arctic habitats as well as the far-ranging winter habitats used by migratory shorebirds.
Author : Garik Gutman
Publisher : Springer Science & Business Media
ISBN 13 : 9048191181
Total Pages : 322 pages
Book Rating : 4.0/5 (481 download)
Download or read book Eurasian Arctic Land Cover and Land Use in a Changing Climate written by Garik Gutman and published by Springer Science & Business Media. This book was released on 2010-10-26 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is a compilation of studies on interactions of land-cover/land-use change with climate in a region where the climate warming is most pronounced compared to other areas of the globe. The climate warming in the far North, and in the Arctic region of Northern Eurasia in particular, affects both the landscape and human activities, and hence human dimensions are an important aspect of the topic. Environmental pollution together with climate warming may produce irreversible damages to the current Arctic ecosystems. Regional land-atmosphere feedbacks may have large global importance. Remote sensing is a primary tool in studying vast northern territories where in situ observations are sporadic. State-of-the-art methods of satellite remote sensing combined with GIS and models are used to tackle science questions and provide an outlook of current land-cover changes and potential scenarios for the future. Audience: The book is a truly international effort involving U.S. and European scientists. It is directed at the broad science community including graduate students, academics and other professionals in this field.
