Details and Metadata

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Methods

The methods followed in the creation of the dataset, including description of field, laboratory and processing steps, and quality control procedures

Past Methods (No longer in use)

  • Site establishment and sample collection
    Started: 2002-06-10
    Ended: 2002-06-11

    Establish 1 soil pit for every 100m elevation change. Mark and GPS each site; dig to mineral layer; collect 100 g of each horizon (O-B) and pool w/equivalent horizons. Collect 2 250 mL of stream H2O every 200m along a stream. Extract DNA from soil samples, use diagnostic genes to identify nitrifiers and methanotrophs, DNA fingerprint portions of those genes.

Dataset Fields

Detailed documentation of the fields comprising the dataset, including the type of measurement, units where applicable, and any controlled vocabularies or code lists present in the data


No documentation available for these fields

Sampling Equipment

Equipment and software used to collect data, including how that equipment was used.

Past Sampling Equipment (No longer in use)

  • Soil
    Started: 2002-06-10
    Ended: 2002-12-31

    Soil sampling

    Frequency: 75 samples collected 50 g each at 3 soil horizons; collected at 3 elevations/site for each site

  • Water Samples
    Started: 2002-06-10
    Ended: 2002-12-31

    Samples for water chemistry

    Frequency: 80 samples collected; 500 mL at 5 elevations per site or about every 200 m

Site Characteristics

The spatial extent of the dataset site coverage, and descriptions of the spatial extent and context for the data collection

  • Site Description

    Hubbard Brook Experimental Forest, NH

    Minimum Altitude: 550 meters

    Maximum Altitude: 790 meters

  • Site Description

    Lye Brook Wilderness Area, VT

    Minimum Altitude: 580 meters

    Maximum Altitude: 760 meters

  • Site Description

    Willowemoc Creek, NY

    Minimum Altitude: 520 meters

    Maximum Altitude: 700 meters

  • Site Description

    Bear Brook Watershed, ME

    Minimum Altitude: 265 meters

    Maximum Altitude: 475 meters