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| Created: | Nov 19, 2019 at 4:53 a.m. | |
| Last updated: | Oct 11, 2022 at 9:13 p.m. | |
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Abstract
Lodgepole pine and ponderosa pine tree cores and foliage (years 2011, 2012) were collected throughout Gordon Gulch (upper and lower) in the Boulder Creek watershed.
Tree core samples
Support for data was provided by the U.S. Department of Energy’s Terrestrial Ecosystem Science Program (DOE Award #: DE-SC0006968; PI: Holly Barnard).
Subject Keywords
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Coverage
Spatial
Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
Gordon Gulch, Gordon Gulch
North Latitude
40.0220°
East Longitude
-105.4684°
South Latitude
40.0127°
West Longitude
-105.4732°
Temporal
| Start Date: | |
|---|---|
| End Date: |
Content
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Additional Metadata
| Name | Value |
|---|---|
| czos | Boulder |
| czo_id | 3888 |
| citation | These data were collected for and used in: Adams, H. R., H. R. Barnard, and A. K. Loomis. 2014. Topography alters tree growth - climate relationships in a semi-arid forested catchment. Ecosphere. Citations referred to in the methods include: Farquhar, G., K. Hubick, A. Condon, and R. Richards. 1989. Carbon isotope fraction and water-use efficiency. In: Stable isotopes in ecological research. Eds. P.W. Rundel, J.R. Ehleringer, and K.A. Nagy. Ecological Studies 68:525. Leavitt, S.W., and S. R. Danzer. 1993. Method for batch processing small wood samples to holocellulose for stable-carbon isotope analysis. Analytical Chemistry 65:87-89. Stokes, M. A., and T. L. Smiley. 1968. An introduction to tree-ring dating. University of Chicago Press, Chicago, IL. |
| comments | Methods: Tree cores were mounted, sanded, and measured according to standard dendrochronological procedures (Stokes and Smiley 1968). Ring widths were measured to nearest 0.01 mm using WinDENDRO software (Regent Instruments Inc., Quebec, Canada). All cores were visually crossdated using a master chronology developed from P. ponderosa of the central Front Range. Multiple tree cores were collected per sample plot (spatial resolution for tree coordinates is plot level). Tree core data date range: 1833-2013 Foliage samples were collected from branches exposed to full sun in the upper 1/3 of the canopy. Samples were dried (35C for 50 hrs), ground, and extracted to holocellulose (Leavitt and Danzer 1993). Holocellulose samples were combusted in an elemental analyzer (Carlo Erba EA 1110 Series, Thermo Scientific, Waltham, MA) and analyzed by continuous flow mass spectrometry (VG/Fisons SIRA Series II mass spectrometer, Thermo Scientific, Waltham, MA) to determine the 13C isotope composition at the University of Colorado. Stable isotope abundance of d13C is expressed relative to the Pee Dee Belemnite standard (Farquhar et al. 1989): d^13 C(‰)=(R_sample/R_standard -1)×1000 where R is the ratio of 13C to 12C of the sample or standard. Precision of analysis was 0.12 ‰ and accuracy was 0.04 ‰. Foliar nitrogen was measured using a Thermo Finnigan FLASH EA 1112 Series CHN Analyzer at the University of Colorado. Tree Foliage Data Date Range: 2011-2012 For additional methodology information, refer to Adams, H. R., H. R. Barnard, and A. K. Loomis. 2014. Topography alters tree growth - climate relationships in a semi-arid forested catchment. Ecosphere. |
| keywords | dendrochronology, tree ring, tree growth, water use efficiency, 13C stable isotopes, semi-arid, ecohydrology, lodgepole pine, pinus contorta, ponderosa pine, pinus ponderosa |
| subtitle | Tree Growth and Physiology Data for Gordon Gulch, Boulder Creek watershed |
| variables | Latitude, Longitude, Collection Date, Tree Diameter at Breast Height (DBH) (cm), Tree Ring Width (mm), Plot Name, Species, Foliar Nitrogen Content (%), Foliar delta13C (o/oo) |
| disciplines | Biology / Ecology |
Related Resources
| This resource is referenced by | Adams H. R., Brnard H. R., and Loomis A. K. (2014). Topography alters tree growth–climate relationships in a semi-arid forested catchment. Ecosphere, Volume 5(11) v Article 148 http://dx.doi.org/0.1890/ES14-00296.1 |
Credits
Funding Agencies
This resource was created using funding from the following sources:
| Agency Name | Award Title | Award Number |
|---|---|---|
| Support for data was provided by the U.S. Department of Energy’s Terrestrial Ecosystem Science Program (DOE Award #: DE-SC0006968; PI: Holly | DE-SC0006968 |
How to Cite
Adams, H. R., H. R. Barnard, A. K. Loomis (2022). BCCZO -- Tree Growth & Physiology -- Gordon Gulch -- (2011-2012), HydroShare, http://www.hydroshare.org/resource/8a34ef6c6bc14045851f042af9a7d142
This resource is shared under the Creative Commons Attribution CC BY.
http://creativecommons.org/licenses/by/4.0/
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