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128 results found Displaying entries 21 - 40 of 128 in total

Alaska Arctic Vegetation Archive: High Arctic Canada, Isachsen, Ellef Ringnes Is. Vegetation Plots (Vonlanthen et al. 2008)

Aava hacisachsen cvonlanthen 2008 plotmap anc Alaska Geobotany Center (AGC) - The vegetation of 52 plots at Isachsen (the now closed High Arctic Weather Station) on Ellef Ringnes Island, Canada was studied as part of a multi-year project focused on patterned-ground plant communities. Patterned ground includes circles, polygons, nets, hummocks, and other features caused by differential freezing processes in soils. Vegetation plot data were collected at Isachsen, during...
Complete
2005-07-22
2005-07-29
2019-08-13 14:18:07 -0800
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Alaska Arctic Vegetation Archive: High Arctic Canada, Mould Bay, Prince Patrick Is. Vegetation Plots (Vonlanthen et al. 2008)

Aava hacmldbay cvonlanthen 2008 plotmap anc Alaska Geobotany Center (AGC) - The vegetation at Mould Bay on Prince Patrick Island, Canada was studied as part of a multi-year project focused on patterned-ground plant communities. Patterned ground includes circles, polygons, nets, hummocks, and other features caused by differential freezing processes in soils. Vegetation plot data were collected at Mould Bay, during July 18-24, 2004. The primary source document is a data...
Complete
2004-07-18
2004-07-24
2019-08-13 14:19:54 -0800
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Alaska Arctic Vegetation Archive: Ice Wedge Degradation

Pending evaluation. Jorgenson, no date (4 locations).
Unknown
2019-07-23 14:47:40 -0800
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Alaska Arctic Vegetation Archive: Imnavait Creek Vegetation Plots (Walker et al. 1987a)

Aava imnavaitcreek dwalker 1987a a sitephoto metadata Alaska Geobotany Center (AGC) - Vegetation in the vicinity of the Imnavait Creek field site located in the Upper Kuparuk watershed of the Brooks Range was described by D.A. Walker et al. as part of a study that was initiated in the summer of a Department of Energy R4D (Response, Resistance, Resilience and Recovery from Disturbance) project. Imnavait Creek was chosen as a study site as it provides a good representation of the...
Complete
1984-08-01
1985-09-04
2019-08-13 14:20:36 -0800
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Alaska Arctic Vegetation Archive: International Tundra Experiment Vegetation Plots (Elmendorf 2012b)

Aava itex elmendorf 2012 site photo Alaska Geobotany Center (AGC) - The International Tundra Experiment (ITEX) is an international scientific collaboration to study the effects of climate change on tundra plant communities worldwide including multiple sites in northern Alaska (Arctic National Wildlife Refuge, Atqasuk, Barrow, Imnavait Creek, Toolik Lake) and across the circumpolar Arctic (Elmendorf 2014). ITEX long-term observations have resulted in numerous...
Complete
1980-07-20
2010-07-31
2019-08-13 14:23:02 -0800
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Alaska Arctic Vegetation Archive: Legacy Vegetation Studies (Elias et al. 1996)

Aava legacy dwalker 1996 barterislplotmap anc Alaska Geobotany Center (AGC) - The Legacy Resource Management Program (Department of Defense, Legacy Project Number 0742) was part of a larger study initiated in 1991 by the United States Congress to provide an opportunity to enhance the stewardship of the natural and cultural resources on the more than 25 million acres of land under Department of Defense jurisdiction. To achieve this goal, the Department of Defense...
Complete
1994-08-01
1994-08-11
2019-08-13 14:26:50 -0800
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Alaska Arctic Vegetation Archive: NPR-A ANHP (Boucher et al. 2014)

Alaska Geobotany Center (AGC) - Pending evaluation.
Unknown
2019-08-13 14:47:40 -0800
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Alaska Arctic Vegetation Archive: National Petroleum Reserve-Alaska

Pending evaluation.
Unknown
2019-07-23 14:49:14 -0800
Data
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Alaska Arctic Vegetation Archive: Nome (Hanson 1953)

Nome%20%28nome hh%29 Alaska Geobotany Center (AGC) - Sampling of tundra vegetation in the vicinity of Nome on the Seward Peninsula was undertaken as part of a classification of the major vegetation types during broader surveys for reindeer winter lichen range in northwestern Alaska. The primary source document for this dataset is Hanson (1953). The work was funded in part by the Arctic Institute of North America with funds provided by the Office...
Complete
1951-07-30
1951-08-02
2019-08-13 14:27:52 -0800
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Alaska Arctic Vegetation Archive: North Slope ARCSS/LAII Flux Study (Walker 1995-1996 unpublished data)

Aava nsflux dwalker 1995 plotmap anc Alaska Geobotany Center (AGC) - The vegetation and soils at the North Slope Arctic System Science/Land-Atmosphere-Ice Interactions ARCSS/LAII Flux tower sites of F. S. Chapin and W. Oechel on the North Slope of Alaska were described by D. A. Walker, J. Bockheim, and C. L. Ping in 1995 and 1996. The primary source documents for this dataset are a collection of unpublished data for 29 plots by D. A. Walker (1995 -1996...
Complete
1995-08-15
1996-08-18
2019-08-13 14:31:12 -0800
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Alaska Arctic Vegetation Archive: Oumalik Vegetation Plots (Ebersole 1985)

Aava oumalik jebersole 1985 a sitephoto metadata Alaska Geobotany Center (AGC) - The vegetation in the vicinity of Oumalik Oil Well Number 1 was described and mapped by J. Ebersole for his doctoral thesis at the University of Colorado, Department of Environmental, Population and Organismic Biology (Ebersole 1985). Funding for the research came primarily from the Cold Climate Research Laboratory based on support from the U. S. Geological Survey program in the National...
Complete
1979-06-20
1981-08-04
2019-08-13 14:49:19 -0800
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Alaska Arctic Vegetation Archive: Pingo Vegetation Plots (M. Walker 1990)

Aava pingos mwalker 1990 plotmap anc Alaska Geobotany Center (AGC) - The vegetation and floristics of pingos on the Central Arctic Coastal Plain of Alaska were described by M. D. Walker for her doctoral thesis at the University of Colorado, Department of Environmental, Population and Organismic Biology (Walker 1990). Funding was provided by National Science Foundation grants DPP-8312497 and DPP-8520754, with additional funds from the Arctic Institute of North...
Complete
1983-07-29
1986-07-28
2019-08-13 14:50:16 -0800
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Alaska Arctic Vegetation Archive: Poplar Vegetation Plots (Breen 2014)

Aava poplars abreen 2014 a sitephoto metadata Alaska Geobotany Center (AGC) - The vegetation associated with balsam poplar stands in the Arctic Foothills of Alaska and the interior boreal forests of Alaska and Yukon was described by Breen (2014) as part of her doctoral dissertation research from 2003 to 2006 (Breen 2010). This research was supported by a National Science Foundation Doctoral Dissertation Improvement grant (DEB-0608539) and by a Center for Global Change...
Complete
2003-06-18
2005-08-17
2019-08-13 14:51:11 -0800
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Alaska Arctic Vegetation Archive: Prudhoe Bay Vegetation Plots (Walker 1985)

Aava prudhoebay dwalker 1985 a site photo Alaska Geobotany Center (AGC) - The vegetation of the Prudhoe Bay area was described and mapped by D. A. Walker for doctoral thesis at the University of Colorado, Department of Environmental, Population and Organismic Biology (Walker 1981). The study was initiated in 1973 under the U.S. Tundra Biome portion of the International Biological Program (IBP) and is part of U.S. Army Corps of Engineers, Cold Regions Research and...
Complete
1974-01-06
1975-01-09
2019-08-13 14:52:05 -0800
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Alaska Arctic Vegetation Archive: Prudhoe Bay-ArcSEES Road Study (Walker et al. 2015)

Aava pruarc dwalker 2015 apicture Alaska Geobotany Center (AGC) - Sampling of vegetation in the vicinity of Lake Colleen off the Spine Road at Prudhoe Bay was undertaken in 2014 as part of a study that focused on thermokarst in relationship to climate change and oilfield infrastructure. The objectives of the project were to study the effects of road dust and road-related flooding to topography, landforms, permafrost, soils and vegetation. This site was chosen...
Complete
2014-06-01
2015-03-31
2019-08-13 14:53:05 -0800
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Alaska Arctic Vegetation Archive: Selawik National Wildlife Refuge (Jorgenson et al. 2009)

Alaska Geobotany Center (AGC) - Pending evaluation.
Unknown
2019-08-13 14:54:59 -0800
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Alaska Arctic Vegetation Archive: Southwest Alaska Alders (Talbot et al. 2005)

Pending evaluation.
Unknown
2019-08-13 15:00:31 -0800
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Alaska Arctic Vegetation Archive: Southwest Alaska Vegetation Plots

Alaska Geobotany Center (AGC) - Pending evaluation.
Unknown
2019-08-13 14:56:46 -0800
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Alaska Arctic Vegetation Archive: Toolik Lake Vegetation Plots (Walker and Barry 1991)

Aava tooliklake dwalker 1991 a sitephoto metadata Alaska Geobotany Center (AGC) - The vegetation of the Toolik Lake area was described and mapped by D. A. Walker et al. during the Department of Energy R4D (Response, Resistance, and Resilience to, and Recovery from Disturbance in Arctic ecosystems, Grant No. DE-FG02-84ER60242.A006) study in 1988-89. Toolik Lake is a glaciated landscape in the southern Arctic Foothills of the Brooks Range, North Slope, Alaska. The primary...
Complete
1988-08-01
1989-08-26
2019-08-13 15:01:43 -0800
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Alaska Arctic Vegetation Archive: Tundra Fires (Breen 2015)

Breen tundra fire Alaska Geobotany Center (AGC) - The vegetation associated with tundra fire scars on the Seward Peninsula and northern foothills of the Brooks Range in Arctic Alaska was surveyed in the field during late June and July 2011 and 2012. This research was supported by USGS Alaska Science Center grants to Amy Breen and Teresa Hollingsworth (Seward Peninsula) and Benjamin Jones (North Slope). The surveys focused on upland tundra...
Ongoing
2011-06-23
2019-08-13 15:03:02 -0800
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