Public Data Download

Data Products Available for Download

SPRUCE Data Policy - Data Fair-Use Statement

> SPRUCE S1 Bog and SPRUCE Experiment Aerial Photographs

This data set provides a record of the aerial photographs taken of the S1-Bog on the Marcell Experimental Forest and the SPRUCE experimental site within the S1-Bog.

User's Guide:          SPRUCE_Aerial_Photo_Guide_20150925.pdf

Image Files:                Historical S1 and Current SPRUCE Photos

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> SPRUCE S1 Bog Pretreatment Photosynthesis and Respiration for Black Spruce: 2010-2013

This data set contains biochemical, morphological, and physiological data collected between 2010 and 2013 on mature black spruce (Picea mariana) trees at the S1 bog site in northern Minnesota, located 40 km north of Grand Rapids in the USDA Forest Service Marcell Experimental Forest (MEF). These data were collected prior to the initiating of heating and elevation of CO2 for the SPRUCE experiment to assess the response of northern peatland ecosystems to increases in temperature and exposures to elevated atmospheric CO2 concentrations.

User's Guide:          PIMA_Photosynthesis_and_Respiration_Users_Guide_20150811.pdf

Data Files:                SPRUCE_1_tree_allometric_data.csv

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> SPRUCE Environmental Monitoring Data: 2010-2011

This data set reports selected ambient environmental monitoring data from the S1 bog for the period June 2010 through October 2011. Measurements of the environmental conditions at these stations will serve as a pre-treatment baseline for experimental treatments and provide driver data for future modeling activities.

User's Guide:          SPRUCE_EM_DATA_2010_2011_20111123.pdf

Data Dictionary:    EM_Data_Dictionary_Public_20111123.xlsx

Data File:                EM123_Combined_public_data.csv

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> Access SPRUCE Microbial Community Metagenome, Lin et al., 2014

Microbial Metabolic Potential for Carbon Degradation and Nutrient (Nitrogen and Phosphorus) Acquisition in an Ombrotrophic Peatland

Xueju Lin, Malak M. Tfaily, Stefan J. Green, J. Megan Steinweg, Patrick Chanton, Aopeau Imvittaya, Jeffrey P. Chanton, William Cooper, Christopher Schadt and Joel E. Kostka

Appl. Environ. Microbiol. 2014, 80(11):3531. DOI: 10.1128/AEM.00206-14.

Metagenomic analyses revealed that genes encoding laccases and dioxygenases, involved in aromatic compound degradation, declined in relative abundance with depth, while the relative abundance of genes encoding metabolism of amino sugars and all four saccharide groups increased with depth in parallel with a 50% reduction in carbohydrate content.

SPRUCE microbiology results -- link to microbial metagenomes          

Download:    Download description and link

> SPRUCE S1 Bog Peat Depth Determined by Push Probe and GPR: 2009-2010

This data set reports the thickness of peat for the S1 Bog measured directly with manual push probes on September 21 and 22, 2009, and measured by ground penetrating radar (GPR) across transects from January 26 to February 2, 2010 and June 2 to June 9, 2010. Also included are interpolated values of peat depth from both probe and GPR data for the S1 Bog at 1 meter square horizontal resolution.

User's Guide:          SPRUCE_S1_Peat_Depth_Data_20120305.pdf

Data and Companion Files:      

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> SPRUCE S1 Bog Vegetation Survey and Peat Depth Data: 2009

This data set reports the results of a field survey of the S1 Bog to characterize the vegetation and to determine peat depth. The survey was conducted on September 21 and 22, 2009.

User's Guide:          SPRUCE_Survey_2009_20120404.pdf

Data Files:                S1BogSurvey_2009_Data_20120403.csv

Companion Files:
Scanned copies of original field data sheets:     S1_Survey_Sep2009.pdf
Graphs of vegetation survey and peat depth results:      Vegetation_survey_2009_figures.pdf

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