VARNUM NAME LABEL TYPE LENGTH 1 SITE_ID Unique site identification number 2 24 2 VISIT_NO Lake visit number. 1-1st field sampling visit; 2-2nd field sampling visit 1 3 SITE_TYPE PROB_Samp: Lake is from probability sample and can be used for population estimation. REF_Lake: Lake is not from probability sample and was selected as a candidate reference lake 2 9 4 LAKE_SAMP Evaluation status 2 20 5 DATEPHYT Date phytosample collected 1 6 SAMPLED_PHYT Phytoplankton sample collected? 2 16 7 SAMPLE_CATEGORY (P)rimary or Field (D)uplicate 2 4 8 INDXSAMP_PHYT Index phytoplankton sample for site (YES/NO)-typically the Visit 1 Primary sample 2 3 9 SAMPLE_TYPE Type of sample (soft ALGAE/DIATOM) 2 6 10 SAMPLE_DEPTH Depth of integrated sample (typically 2 m) 1 11 PHYT_VOLUME Sample volume (mL) 1 12 PRESERVED_PHYT Sample preserved (Y/blank) 2 8 13 FLAG_FLD_PHYT Field flag for phytoplankton 2 8 14 COMMENT_FLD_PHYT Comment and field flag explanations for phytoplankton 2 1000 15 SAMPLE_ID Sample ID number 1 16 LAB_ID Sample ID assiged by laboratory 2 10 17 INIT_VOL Initial volume (mL) or weight of sample (typically 1/3 of 1000 mL) 1 18 CONC_VOL Volume of concentrated sample (mL) used for fixed count 1 19 TOT_AREA Area of slide or counting chamber bottom (mm2) 1 20 CNT_AREA Area counted (mm2) 1 21 TAXANAME Unique taxon name 2 106 22 LAB_TAXON Lab Taxon ID number 2 7 23 COUNT Number of cells (if natural units) 1 24 PROPORTION Relative abundance (count/total counted) 1 25 UNITCELLS Estimated number of cells (if natural units) 2 1 26 CNT_UNIT Counting unit (C=cells N=natural unit) 2 1 27 DIVISION Division name (from count and taxa files) 2 31 28 ORDER Order name (from count and taxa files) 2 17 29 FAMILY Family name (from count and taxa files) 2 17 30 GENUS Genus name (from count and taxa files) 2 20 31 SPECIES Species name (from count and taxa files) 2 17 32 VARIETY Variety name (from count and taxa files) 2 26 33 DISTINCT Distinct taxon within sample (assigned at Lab)? (Y/N) 2 1 34 TAXONOMIST Initials of taxonomist assigning the taxon name 2 13 35 COMMENT_LAB_PHYT Laboratory personnel comments 2 255 36 SOURCELAB Laboratory submitting data 2 2 37 SOURCEDATE Date results submitted (YYYYMMDD) 2 8 38 DATATYPE 4 character code for type of sample taken 2 8