Properties of Attributes in entity 2 table: Herb and shrub biomass measurements from microplots

    DBCODE NNchar(5) enumnominal     
    ENTITY NNnumeric(2,0) range interval natural 2.-4. number
    WATERSHED NNchar(4) placenominal     
    PLOTID YNchar(8) placenominal     
    YEAR YNnumeric(4,0) range ratio natural 1976.-2016.1.number
    PLOT YNnumeric(2,0) range ratio natural 1.-36. number
    MICROPLOT YNchar(3) enumnominal     
    SPECIES YNchar(6) taxanominal     
    DBA NYnumeric(5,1) range ratio real 0.0-125.00.1centimeters
    HT NYnumeric(4,0) range ratio natural 1.-550. centimeters
    LEN NYnumeric(5,1) range ratio real 0.1-150.00.1centimeters
    NUM NYnumeric(3,0) range ratio whole 1.-75. number
    SAMPLEDATE NNdatetime range datetime  Jul 29 1980-Jul 14 2016 date as date type