Agashashok White Spruce Needle Gas Exchange 2007-2008
This dataset includes measurements of white spruce needle gas exchange made under conditions of saturating light, ambient CO2 and optimum temperature. Also included are needle C and N concentrations and needle d15N and d13C. Measurements were made at breast height on 36 trees exposed to 4 experimental treatments established in June of 2006 (i.e., n=9): control, fertilized, watered and fertilized x watered. Fertilized trees received 5 g N m-2 yr-1 applied as granular NH4NO3, 2 g P m-2 yr-1 applied as granular P2O5 and 4 g K m-2 yr-1 applied as granular K2O. The watering experiment was carried out using a passive throughfall displacement system that increased the size of each precipitation event (~2x).
The study site is on a terrace next to the Agashashok River, Noatak National Preserve, AK (67.477, -162.216).
- download: NSF Arctic Data Center
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|Begin datetime||2007-06-09 00:00:00|
|End datetime||2008-08-24 23:59:59|
Map data from IBCSO, IBCAO, and Global Topography.
Maximum (North) Latitude:
Minimum (South) Latitude:
Minimum (West) Longitude: -162.216, Maximum (East) Longitude: -162.216
Additional contact information
- author: Patrick Sullivan <email@example.com>
- originator: Patrick Sullivan <firstname.lastname@example.org>
- principalInvestigator: Patrick Sullivan <email@example.com>
CitationExample citation following ESIP guidelines:
Sullivan, P. 2008. Agashashok White Spruce Needle Gas Exchange 2007-2008. Version 1.0. UCAR/NCAR - Earth Observing Laboratory. https://doi.org/10.5065/D6H1304V. Accessed 12 Aug 2022.
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