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Author : Anonim
Publisher : DIANE Publishing
Page : 74 pages
File Size : 46,7 Mb
Release : 1997
Category : Botany
ISBN : 9781428913295
Author : Anonim
Publisher : Unknown
Page : 670 pages
File Size : 40,8 Mb
Release : 2004
Category : Electronic
ISBN : NWU:35556034590711
Author : Anonim
Publisher : Unknown
Page : 690 pages
File Size : 55,9 Mb
Release : 1999
Category : Electronic
ISBN : NWU:35556031804156
Author : Anonim
Publisher : Unknown
Page : 498 pages
File Size : 41,5 Mb
Release : 2002
Category : Electronic
ISBN : NWU:35556034538116
Author : United States. Bureau of Land Management. Alaska State Office
Publisher : Unknown
Page : 438 pages
File Size : 52,7 Mb
Release : 2002
Category : Alaska
ISBN : UOM:39015061860410
Author : Anonim
Publisher : Unknown
Page : 658 pages
File Size : 43,7 Mb
Release : 1998
Category : Cold regions
ISBN : UIUC:30112041267011
Author : Anonim
Publisher : Unknown
Page : 616 pages
File Size : 48,9 Mb
Release : 1998
Category : Agriculture
ISBN : UOM:39015055284866
Author : Anonim
Publisher : Unknown
Page : 220 pages
File Size : 41,7 Mb
Release : 2008
Category : Alien plants
ISBN : IND:30000123785572
Describes a ranking system used to evaluate the potential invasiveness and impacts of 113 non-native plants to natural areas in Alaska. Species are ranked by a series of questions in four broad categories: ecosystem impacts, biological attributes, distribution, and control measures. Also included is a climate screening procedure to evaluate the potential for establishment in three ecogeographic regions of Alaska [Juneau, Fairbanks, Nome].
Author : Anonim
Publisher : Unknown
Page : 90 pages
File Size : 49,9 Mb
Release : 2003
Category : Forest health
ISBN : CORNELL:31924097651719
Author : United States. Federal Highway Administration
Publisher : Unknown
Page : 48 pages
File Size : 51,8 Mb
Release : 1994
Category : Air
ISBN : UCBK:C101101693
The Intermodal Surface Transportation Efficiency Act of 1991 (ISTEA) established the Congestion Mitigation and Air Quality Improvement (CMAQ) Program. The CMAQ Program emphasizes the importance of the link between transportation and air quality, by providing 6 billion dollars between 1992-1997 for transportation projects and programs to improve air quality. Consequently, many areas will be able to implement transportation control measures (TCMs), in compliance with the mandates of the Clean Air Act Amendments of 1990 (CAAA).
Author : National Research Council,Transportation Research Board,Marine Board,Division on Earth and Life Studies,Polar Research Board,Ocean Studies Board,Committee on Responding to Oil Spills in the U.S. Arctic Marine Environment
Publisher : National Academies Press
Page : 343 pages
File Size : 45,8 Mb
Release : 2014-08-01
Category : Science
ISBN : 9780309298896
U.S. Arctic waters north of the Bering Strait and west of the Canadian border encompass a vast area that is usually ice covered for much of the year, but is increasingly experiencing longer periods and larger areas of open water due to climate change. Sparsely inhabited with a wide variety of ecosystems found nowhere else, this region is vulnerable to damage from human activities. As oil and gas, shipping, and tourism activities increase, the possibilities of an oil spill also increase. How can we best prepare to respond to such an event in this challenging environment? Responding to Oil Spills in the U.S. Arctic Marine Environment reviews the current state of the science regarding oil spill response and environmental assessment in the Arctic region north of the Bering Strait, with emphasis on the potential impacts in U.S. waters. This report describes the unique ecosystems and environment of the Arctic and makes recommendations to provide an effective response effort in these challenging conditions. According to Responding to Oil Spills in the U.S. Arctic Marine Environment, a full range of proven oil spill response technologies is needed in order to minimize the impacts on people and sensitive ecosystems. This report identifies key oil spill research priorities, critical data and monitoring needs, mitigation strategies, and important operational and logistical issues. The Arctic acts as an integrating, regulating, and mediating component of the physical, atmospheric and cryospheric systems that govern life on Earth. Not only does the Arctic serve as regulator of many of the Earth's large-scale systems and processes, but it is also an area where choices made have substantial impact on life and choices everywhere on planet Earth. This report's recommendations will assist environmentalists, industry, state and local policymakers, and anyone interested in the future of this special region to preserve and protect it from damaging oil spills.
Author : Elizabeth Ann Smreciu
Publisher : Alberta Agriculture, Food and Rural Development
Page : 110 pages
File Size : 51,7 Mb
Release : 2003
Category : Reclamation of land
ISBN : CORNELL:31924094712068
This book was written to fulfil the need for a document to address the specifics of native revegetation that are not adequately covered by a guideline. It assists anyone in Alberta who has to plan native plant revegetation projects or carryout the revegetation. It provides specific information on native revegetation planning, information sources, final land-use considerations, salvaging or otherwise obtaining native plant materials, field operations (site preparation, seeding, planting, ensuring establishment success), management, monitoring, and assessment. Appendices include a glossary, a list of Websites & contacts for further information, a methodology for calculating seeding rates, and a table showing native plant species & their characteristics.
Author : Michael G. Barbour,William Dwight Billings
Publisher : Cambridge University Press
Page : 622 pages
File Size : 43,9 Mb
Release : 2000
Category : Nature
ISBN : 0521559863
This second edition provides extensively expanded coverage of North American vegetation from arctic tundra to tropical forests.
Author : John Walter Thomson
Publisher : Univ of Wisconsin Press
Page : 696 pages
File Size : 46,7 Mb
Release : 1984
Category : Nature
ISBN : 0299134601
Lists a total of 965 species in 168 genera in the two volumes, describing the species including distribution maps covering Alaska, Canada, Greenland and Iceland. Includes an overview of the geology, climate, geography and ecology of the American arctic.
Author : Frederick Hadleigh West,Constance F. West
Publisher : University of Chicago Press
Page : 620 pages
File Size : 43,6 Mb
Release : 1996-12
Category : History
ISBN : 0226893995
During the last Ice Age, a thousand-mile-wide land bridge connected Siberia and Alaska, creating the region known as Beringia. Over twelve thousand years ago, a procession of large mammals and the humans who hunted them crossed this bridge to America. Much of the Russian evidence for this migration has until now remained largely inaccessible to American scholars. American Beginnings brings together for the first time in one volume the most up-to-date archaeological and palaeoecological evidence on Beringia from both Russia and America. "An invaluable resource. . . . It will no doubt remain the key reference book for Beringia for many years to come."—Steven Mithen, Journal of Human Evolution "Extraordinary. The fifty-six contributors . . . represent the most prominent American and Russian researchers in the region."—Choice "Publication of this well-illustrated compendium is a great service to early American and especially Siberian Upper Paleolithic archaeology."—Nicholas Saunders, New Scientist "This is a great book . . . perhaps the greatest contribution to the archaeology of Beringia that has yet been published. . . . This is the kind of book to which archaeology should aspire."—Herbert D.G. Maschner, Antiquity