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Happy Valley Permanent Vegetation Plots

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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.

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Additional information

Identifier
Versions
  • 1.0 (2009-04-29)
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Related projects
Spatial Type point
Frequency no set schedule
Language English
ISO Topic Categories
  • biota
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Platforms
Instruments
GCMD Science Keywords Expand keywords
Documentation
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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

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 19 Mar 2024.

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