event  cast  cycle     date_local  lat       lon        depth  niskin  taxon               size_class  abundance  
304    25    Cycle_2   07042010    9.04192   -90.56041  40     10      autotrophic_flags   lt2         43         
304    25    Cycle_2   07042010    9.04192   -90.56041  40     10      autotrophic_flags   2_to_10     1362       
304    25    Cycle_2   07042010    9.04192   -90.56041  40     10      autotrophic_flags   10_to_20    5          
304    25    Cycle_2   07042010    9.04192   -90.56041  40     10      autotrophic_flags   gt20        0          
304    25    Cycle_2   07042010    9.04192   -90.56041  40     10      autotrophic_flags   total       1410