inputs/VegBank/: Joined together taxonimportance and stemcount tables to create stemcount_, because stemcount actually stores stem abundance by size, rather than grouping stems by organism (http://vegbankdev.nceas.ucsb.edu/vegbank/views/dba_tabledescription_detail.jsp?view=detail&wparam=stemcount&entity=dba_tabledescription&where=where_tablename)