U.S. flag

An official website of the United States government

NPP Soil Water Content

NAL Geospatial Catalog

    Once a month soil water content measurements are made at 10 depths (where possible) at each of 10 access tubes at each of the 15 LTER-II sites using a neutron probe (Campbell Model 503DR Hydroprobe).

    Transect Vegetation Biomass

    NAL Geospatial Catalog

      Biomass of annual and perennial forbs and grasses was obtained from a one meter quad selected at random just downslope from each of the 6 5-meter segments of the 30 meter plant line intercepts located perpendicular to the transect station marker.