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Happy Valley Permanent Vegetation Plots

Project:

ARCSS

Summary

This dataset contains Happy Valley Permanent Vegetation Plots data, including environmental, soil, and vegetation information collected from 55 releve plots at the Happy Valley research site along the Sagavanirktok River in northern Alaska. To complement formal releve sampling of vegetation during the period July 18-27, 1994, the investigators described each study site (including site topography, surficial geology, estimated snow duration, soil moisture, thaw depth, and signs of disturbance, among other parameters) and collected soil samples adjacent to the releve plots for laboratory analyses. Soil analyses include measurements of soil chemistry, pH, organic matter content, and texture (percentages of sand, silt, and clay). Ordination analysis displays releve data in two-dimensional space according to species similarity. Results from ordination reveal that three environmental variables -- stability, exposure, and soil moisture -- significantly affect vegetation composition.

Data access

download: NSF Arctic Data Center

Additional information

Identifier	DOI: https://doi.org/10.5065/D66D5R38
Versions	1.0 (2009-04-29)
Subscribe	Subscribe to receive email when new or updated data is available.
Related projects	ARCSS: NSF Arctic System Science
Spatial Type	point
Frequency	no set schedule
Language	English
ISO Topic Categories	biota
Categories	Arctic Land Character Soils Vegetation
Platforms	Field Surveys
Instruments	Visual Observations
GCMD Science Keywords	ACTIVE LAYER ARCTIC TUNDRA CALCIUM DOMINANT SPECIES MAGNESIUM MICRONUTRIENTS/TRACE ELEMENTS ORGANIC MATTER PHOSPHORUS POTASSIUM SOIL CHEMISTRY SOIL CLASSIFICATION SOIL HORIZONS/PROFILE SOIL MOISTURE/WATER CONTENT SOIL PH SOIL TEXTURE VEGETATION COVER VEGETATION SPECIES Show 14 more... Expand keywords
Documentation	readme.txt [5 KiB]
Related links	info: ARCSS Data Policy homepage: ARCSS EOL Webpage download: NSF Arctic Data Center

Temporal coverage

Begin datetime	1994-07-18 00:00:00
End datetime	1994-07-27 23:59:59

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 69.2333, Minimum (South) Latitude: 69.2333
Minimum (West) Longitude: -148.50, Maximum (East) Longitude: -148.50

Primary point of contact information

Donald A. (Skip) Walker <ffdaw@uaf.edu>

Additional contact information

author: Donald A. (Skip) Walker <ffdaw@uaf.edu>
author: Nancy A. Auerbach <auerbach@kryos.colorado.edu>
author: Teresa K. Nettleton Hollingsworth <thollingsworth@fs.fed.us>
author: Alisa Gallant
author: Shannon M. Murphy <smurph@gwu.edu>
originator: Donald A. (Skip) Walker <ffdaw@uaf.edu>

Citation

Walker, D., et al. 2009. Happy Valley Permanent Vegetation Plots. Version 1.0. UCAR/NCAR - Earth Observing Laboratory. https://doi.org/10.5065/D66D5R38. Accessed 26 Dec 2024.

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