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# WOD98 - TAXONOMIC PRESENCE/ABUNDANCE CODES - TAXA VARIABLE 7
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   1  PRESENT                  Present; +; some; also used for body parts, 
#                               e.g. spicules
   2  ABSENT                   Absent; not found; -;  not observed
   3  COMMON                   C; ++; many
   4  ABUNDANT                 CC
   5  VERY ABUNDANT            CCC; +++
   6  PREDOMINANT              CCCC
   7  RARE                     R
   8  VERY RARE                RR
   9  HIGHLY RARE              RRR
  10  EXTREMELY RARE           RRRR                     
  11  RED TIDE                 bloom
  12  EXCLUSIVELY