P. J. Webber

Michigan State University

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C. E. Tweedie

The University of Texas at El Paso

Donald A. Walker

University of Alaska Fairbanks

Robert D. Hollister

Grand Valley State University

Sandra Vega Villarreal

National Pedagogic University

John T. Andrews

Institute of Arctic and Alpine Research

David R. Johnson

Texas State University

Marilyn D. Walker

Massachusetts Institute of Technology

Mark J. Lara

University of Illinois Urbana-Champaign

K. R. Everett

The Ohio State University

Howard E. Epstein

McCormick (United States)

Cooperative Institutions

University of Alaska Fairbanks

University of Colorado Boulder

Institute of Arctic and Alpine Research

University of British Columbia

La Trobe University

Pacific Northwest Research Station

University of Alaska System

United States Geological Survey

Grand Valley State University

Cold Regions Research and Engineering Laboratory

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Evidence and Implications of Recent Climate Change in Northern Alaska and Other Arctic Regions

AGUFM (2004)

L. D. Hinzman Neil D. Bettez William Bolton F. Stuart Chapin Mark B. Dyurgerov

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Citations (17)

Book Reviews

Arctic and Alpine Research (1989)

J. Svoboda James C. Halfpenny H. G. R. King Susan K. Short Nel Caine

10.1080/00040851.1989.12002744

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Citations (0)

A Study of Late-Quaternary Plant-Bearing Beds in North-Central Baffin Island, Canada

ARCTIC (1966)

J. Terasmäe P. J. Webber John T. Andrews

Plant-bearing beds, exposed by downcutting of the Isortoq River at the northern end of the Barnes Icecap, have been folded, apparently by east-west moving overriding ice, truncated and overlain by horizontal alluvial sediments. Radiocarbon dates for plant material from the Isortoq River (folded unit), Flitaway Lake, and Lewis Glacier localities are >30,000 to >40,000 yr BP, from the horizontal beds, 14,000 ± 400 yr BP. The vegetation was probably similar to that of southern Baffin Island today; the Isortoq beds are assigned to the Sangamon interglacial. Pollen diagrams and description of the present vegetation and climate are included.

Alluvial fan

10.14430/arctic3437

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Citations (35)

IPY-Back to the Future: Determining decadal time scale change in ecosystem structure and function in high latitude and high altitude tundra ecosystems

AGU Fall Meeting Abstracts (2009)

David R. Johnson Sandra Vega Villarreal M. Lara P. J. Webber Terry V. Callaghan

High latitude

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Citations (2)

Cumulative Impacts of Oil Fields on Northern Alaskan Landscapes

Science (1987)

Donald A. Walker P. J. Webber Emily F. Binnian K. R. Everett Nancy D. Lederer

Proposed further developments on Alaska's Arctic Coastal Plain raise questions about cumulative effects on arctic tundra ecosystems of development of multiple large oil fields. Maps of historical changes to the Prudhoe Bay Oil Field show indirect impacts can lag behind planned developments by many years and the total area eventually disturbed can greatly exceed the planned area of construction. For example, in the wettest parts of the oil field (flat thaw-lake plains), flooding and thermokarst covered more than twice the area directly affected by roads and other construction activities. Protecting critical wildlife habitat is the central issue for cumulative impact analysis in northern Alaska. Comprehensive landscape planning with the use of geographic information system technology and detailed geobotanical maps can help identify and protect areas of high wildlife use.

Thermokarst

Cumulative effects

Wildlife refuge

10.1126/science.238.4828.757

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Citations (127)

A Half-Century of Biophysical Change in Polygonised Tundra on the Coastal Plain of Northern Alaska.

AGU Fall Meeting Abstracts (2018)

M. Orejel Gonzalez Sandra Vega Villarreal Mark J. Lara C. E. Tweedie Robert D. Hollister

Coastal plain

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Citations (0)

Responses of Tundra Plants to Experimental Warming: Meta-Analysis of the International Tundra Experiment

Ecological Monographs (1999)

A. M. Arft M. D. Walker J. Gurevitch Juha M. Alatalo M. Syndonia Bret‐Harte

10.2307/2657227

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Citations (137)

Belowground Tundra Research: A Commentary

Arctic and Alpine Research (1977)

P. J. Webber

10.1080/00040851.1977.12003906

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Citations (3)

Barrow Arctic Terrestrial Observatory (BATO): An IPY Legacy

AGU Fall Meeting Abstracts (2009)

Jerry Brown Kenneth M. Hinkel Robert D. Hollister S. F. Oberbauer Frederick E. Nelson

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Circumpolar Arctic vegetation: a hierarchic review and roadmap toward an internationally consistent approach to survey, archive and classify tundra plot data

Environmental Research Letters (2016)

Donald A. Walker Fred J.A. Daniëls Inger Greve Alsos Uma S. Bhatt Amy Breen

Satellite-derived remote-sensing products are providing a modern circumpolar perspective of Arctic vegetation and its changes, but this new view is dependent on a long heritage of ground-based observations in the Arctic. Several products of the Conservation of Arctic Flora and Fauna are key to our current understanding. We review aspects of the PanArctic Flora, the Circumpolar Arctic Vegetation Map, the Arctic Biodiversity Assessment, and the Arctic Vegetation Archive (AVA) as they relate to efforts to describe and map the vegetation, plant biomass, and biodiversity of the Arctic at circumpolar, regional, landscape and plot scales. Cornerstones for all these tools are ground-based plant-species and plant-community surveys. The AVA is in progress and will store plot-based vegetation observations in a public-accessible database for vegetation classification, modeling, diversity studies, and other applications. We present the current status of the Alaska Arctic Vegetation Archive (AVA-AK), as a regional example for the panarctic archive, and with a roadmap for a coordinated international approach to survey, archive and classify Arctic vegetation. We note the need for more consistent standards of plot-based observations, and make several recommendations to improve the linkage between plot-based observations biodiversity studies and satellite-based observations of Arctic vegetation.

Circumpolar star

Arctic vegetation

Plot (graphics)

10.1088/1748-9326/11/5/055005

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Citations (53)