Alaska EPSCoR Data Portal

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Displaying entries 1 - 20 of 789 in total

Biofilm Cohesive Strength as a Basis for Biofilm Recalcitrance: Are Bacterial Biofilms Overdesigned?

EPSCoR - Alaska Adapting to Changing Environments (EPSCoR-ACE) - Bacterial biofilms are highly resistant to common antibacterial treatments, and several physiological explanations have been offered to explain the recalcitrant nature of bacterial biofilms. Herein, a biophysical aspect of biofilm recalcitrance is being reported on. While engineering structures are often overdesigned with a factor of safety (FOS) usually under 10, experimental measurements of...
Complete
2018-05-10 11:40:21 -0800
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Project Full Record

Feasibility of using a particle counter or flow-cytometer for bacterial enumeration in the assimilable organic carbon (AOC) analysis method

EPSCoR - Alaska Adapting to Changing Environments (EPSCoR-ACE) - Assimilable organic carbon (AOC) is one of the major determinants of microbial growth and stability in drinking water distribution systems. Nevertheless, AOC measurements are rarely conducted in practice owing, in part, to the tedious and time-consuming nature of the bioassay. Herein, we compared three alternative cell count approaches [flow cytometry with staining (FC-S), flow cytometry...
Complete
2018-08-09 15:36:40 -0800
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Project Full Record

Geometry of the behavioral spaces: A computational approach to analysis and understanding the agent based models and agent behaviors.

EPSCoR - Alaska Adapting to Changing Environments (EPSCoR-ACE) - Systems with non-linear dynamics frequently exhibit emergent system behavior, which is important to find and specify rigorously to understand the nature of the modeled phenomena. Through this analysis, it is possible to characterize phenomena such as how systems assemble or dissipate and what behaviors lead to specific final system configurations. Agent Based Modeling (ABM) is one of the...
Complete
2018-08-09 15:36:41 -0800
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Project Full Record

Interacting disturbances and their effect on carbon, charcoal, and further implications for carbon sequestration in forests

EPSCoR - Alaska Adapting to Changing Environments (EPSCoR-ACE) - Disturbances have a strong role in the carbon balance of many ecosystems, and the cycle of vegetation growth, disturbance, and recovery is very important in determining the net carbon balance of terrestrial biomes. Compound disturbances are phenomena of growing concern which can impact ecosystems in novel ways, altering disturbance intensity, severity, and recovery trajectories. This research...
Complete
2018-08-09 15:36:42 -0800
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Project Full Record

Linking LiDAR with streamwater biogeochemistry in coastal temperate rainforest watersheds.

EPSCoR - Alaska Adapting to Changing Environments (EPSCoR-ACE) - The goal of this study was to use watershed characteristics derived from LIDAR data to predict stream biogeochemistry in Pacific coastal temperate rainforest (PCTR) watersheds. Over a two-day period, we sampled 37 streams for concentrations of dissolved C, N, P, major cations and measures of dissolved organic matter (DOM) quality (specific ultraviolet absorbance, SUVA254) and bioavailability....
Complete
2018-08-09 15:36:45 -0800
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Project Full Record

Marine Resource Planning Web Map, Coastal Module

Marine Southeast Alaska GIS Library (SEAKGIS) - The Marine Resource Planning map of the Southeast Alaska Coastal Module contains vessel traffic, oil spill response layers, mariculture, ESI, earthquakes, spills, landslides, and other environmental hazards. This map is designed to support the Southeast Alaska Coastal Module. See the full project description at http://seakgis.alaska.edu/projects/index.html. Be aware of the access and use...
Ongoing
2012-12-01
2014-12-31
2018-08-09 15:11:37 -0800
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Data Full Record

AVA-AK: Ice Wedge Degradation

Arctic Vegetation Archive - Alaska: ice Wedge Degradation. Pending evaluation. Jorgenson, no date (4 locations).
Unknown
2019-09-30 14:21:12 -0800
Data Full Record

AVA-AK: NPR-A ANHP (Boucher et al. 2014)

Alaska Geobotany Center (AGC) - Arctic Vegetation Archive - Alaska: NPR-A. Pending evaluation.
Unknown
2019-09-30 13:34:47 -0800
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Data Full Record

AVA-AK: Arrigetch Peaks (Cooper 1983)

Aava arrigetchpeask dcooper 1983 sitephoto metadata Alaska Geobotany Center (AGC) - Arctic Vegetation Archive - Alaska: Arrigetch Peaks. The vegetation of Arrigetch Peaks was described and mapped by David J. Cooper for his PhD thesis funded by National Park Service. Located in the Endicott Mountains of the central Brooks Range, the vegetation of the Arrigetch Peaks is uniquely influenced by both latitude and altitude (Cooper 1986b). A reconnaissance of the area was...
Complete
1976-01-01
1983-12-31
2019-09-30 13:29:23 -0800
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Data Full Record

AVA-AK: ATLAS-2 (Raynolds et al. 2002)

Aava atlas2 mraynolds 2000 plotmap anc Alaska Geobotany Center (AGC) - Arctic Vegetation Archive - Alaska: ATLAS-2. The ATLAS-2 dataset is part of larger NSF-funded Arctic Transition in Land-Atmosphere System (ATLAS) project. ATLAS-2 contains the Seward Peninsula portion of the project with 52 plots at Council and Quartz Creek. The full ATLAS Transect also includes 15 releves at locations on the North Slope at Barrow, Atkasuk, Oumalik, and Ivotuk which are in...
Complete
2000-07-11
2000-07-29
2019-09-30 13:29:56 -0800
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Data Full Record

AVA-AK: Atqasuk Vegetation Plots (Komárková & Webber 1980; Villarreal 2013)

Aava atqasuk 1980 sitephoto Alaska Geobotany Center (AGC), Systems Ecology Lab, University of Texas El Paso (SEL at UTEP) - Arctic Vegetation Archive - Alaska: Atqasuk. The Atqasuk vegetation plots were originally described and mapped by Drs. Vera Komárková and Patrick J. Webber in 1975 as part of the Research on Arctic Tundra Environments (RATE) project. These sites were resampled in 2000 and 2010 and assessed for community change as part of the 'IPY Back to the Future: Resampling old research sites to assess...
Complete
1975-07-01
2010-07-01
2019-09-27 16:38:00 -0800
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Data Full Record

AVA-AK: Barrow Vegetation Plots (Webber 1978; Villerreal et al. 2012)

Barrow webber 1972 sitephoto Alaska Geobotany Center (AGC), Systems Ecology Lab, University of Texas El Paso (SEL at UTEP) - Arctic Vegetation Archive-Alaska: Barrow. The Barrow vegetation plots were originally described and mapped by Dr. Patrick J. Webber in 1972 as part of the International Biological Program (IBP). These sites were resampled in 1999, 2008, and 2010 and assessed for community change as part of the 'IPY Back to the Future: Resampling old research sites to assess changes in high latitude...
Complete
1972-08-01
2010-08-01
2019-09-30 13:28:43 -0800
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Data Full Record

AVA-AK: Cape Thompson Vegetation Plots (Johnson et al. 1966)

Aava capethompson fromvierecketal image Alaska Geobotany Center (AGC) - Arctic Vegetation Archive - Alaska: Cape Thompson Vegetation Plots. The vegetation of the Cape Thompson region at Ogotoruk Creek was described by A. W. Johnson et al. during the U.S. Atomic Energy Commission’s Project Chariot Studies from 1959-1963 funded under Contract No. AT (04-3)-310. Cape Thompson is on the Chukchi Sea on the Lisburne Peninsula in the Arctic Foothills of the Brooks...
Complete
1959-01-01
1980-12-31
2019-09-27 16:51:34 -0800
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Data Full Record

AVA-AK: Colville River Delta

Alaska Geobotany Center (AGC) - Arctic Vegetation Archive - Alaska: Colville River Delta. Pending evaluation. Jorgenson, M. T., J. E. Roth, E. R. Pullman, R. M. Burgess, M. K. Raynolds, A. A. Stickney, M. D. Smith & T. M. Zimmer. (1997).
Unknown
2019-09-27 16:52:32 -0800
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Data Full Record

AVA-AK: Fish Creek (Lawson et al. 1978)

Alaska Geobotany Center (AGC) - Arctic Vegetation Archive - Alaska: Fish Creek. Lawson, D. E., Brown, J., Everett, K. R., Johnson, A. W., Komárková, V., Murray, B. M. Murray, D. F. and Webber P. J. 1978. Tundra disturbances and recovery following the 1949 exploratory drilling, Fish Creek, Northern Alaska. CRREL REPORT 78-28. U.S. Geological Survey, Department of the Army. Cold Regions Research and Engineering...
Unknown
2019-10-01 12:42:11 -0800
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Data Full Record

AVA-AK: Gates of the Arctic (Alaska Center For Conservation)

Arctic Vegetation Archive - Alaska: Gates of the Arctic (Alaska Center for Conservation). Pending evaluation.
Ongoing
2019-09-30 13:37:20 -0800
Data Full Record

AVA-AK: Imnavait Creek Vegetation Plots (Walker et al. 1987a)

Aava imnavaitcreek dwalker 1987a a sitephoto metadata Alaska Geobotany Center (AGC) - Arctic Vegetation Archive - Alaska: Imnavait Creek Vegetation Plots. 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...
Complete
1984-08-01
1985-09-04
2019-09-30 13:32:35 -0800
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Data Full Record

AVA-AK: International Tundra Experiment Vegetation Plots (Elmendorf 2012b)

Aava itex elmendorf 2012 site photo Alaska Geobotany Center (AGC) - Arctic Vegetation Archive - Alaska: International Turdra Experiment Vegetation Plots. 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...
Complete
1980-07-20
2010-07-31
2019-09-30 13:39:13 -0800
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Data Full Record

AVA-AK: Legacy Vegetation Studies (Elias et al. 1996)

Aava legacy dwalker 1996 barterislplotmap anc Alaska Geobotany Center (AGC) - Arctic Vegetation Archive - Legacy Vegetation Studies. 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...
Complete
1994-08-01
1994-08-11
2019-09-30 13:40:38 -0800
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Data Full Record

AVA-AK: National Petroleum Reserve-Alaska

Arctic Vegetation Archive - National Petroleum Reserve-Alaska. Pending evaluation.
Unknown
2019-09-30 13:44:41 -0800
Data Full Record