VARIABLE DESCRIPTION SAMPLE_TYPE UNITS RANGE_LOW RANGE_HIGH LEGAL_VALUES ABUNDANCE Number of organisms counted from sample ZOCN ABUNDANCE Number of organisms counted from sample ZOCR ABUNDANCE Number of organisms counted from sample ZOFN ABUNDANCE Number of organisms counted from sample ZOFR BIOMASS Taxa biomass per sample (µg dry weight/L) ZOCN BIOMASS Taxa biomass per sample (µg dry weight/L) ZOCR BIOMASS Taxa biomass per sample (µg dry weight/L) ZOFN BIOMASS Taxa biomass per sample (µg dry weight/L) ZOFR BIOMASS_FACTOR Average biomass per taxa (µg dry weight) ZOFN BIOMASS_FACTOR Average biomass per taxa (µg dry weight) ZOFR CONCENTRATED_VOLUME Laboratory starting volume (mL) ZOCN CONCENTRATED_VOLUME Laboratory starting volume (mL) ZOCR CONCENTRATED_VOLUME Laboratory starting volume (mL) ZOFN CONCENTRATED_VOLUME Laboratory starting volume (mL) ZOFR DENSITY Number of organisms/L ZOCN DENSITY Number of organisms/L ZOCR DENSITY Number of organisms/L ZOFN DENSITY Number of organisms/L ZOFR IS_DISTINCT Distinct taxa classification per sample ZOCN IS_DISTINCT Distinct taxa classification per sample ZOCR IS_DISTINCT Distinct taxa classification per sample ZOFN IS_DISTINCT Distinct taxa classification per sample ZOFR PARAMETER Variable name PUBLICATION_DATE Date the dataset was published to the NARS site RESULT Value of associated parameter SAMPLE_ID ID for sample collected ZOCN SAMPLE_ID ID for sample collected ZOCR SAMPLE_ID ID for sample collected ZOFN SAMPLE_ID ID for sample collected ZOFR SAMPLE_TYPE Code identifying sample type TOW_VOLUME_FILTERED Amount of water sampled in the field in mL ZOCN TOW_VOLUME_FILTERED Amount of water sampled in the field in mL ZOCR TOW_VOLUME_FILTERED Amount of water sampled in the field in mL ZOFN TOW_VOLUME_FILTERED Amount of water sampled in the field in mL ZOFR UID Unique identifier for the site/visit VOLUME_COUNTED Actual volume counted (mL) ZOCN VOLUME_COUNTED Actual volume counted (mL) ZOCR VOLUME_COUNTED Actual volume counted (mL) ZOFN VOLUME_COUNTED Actual volume counted (mL) ZOFR