 
        
    
            F4 BIOMASS
Submerged macrophytes [g (wet wt.) m-2]
Station    Potamoge   Myriophy    Others    Total
--------------------------------------------------
Lotung       2,470      130        <25      2,600
Onan Run     2.800      150          0      2,950
Parbaloa     1,833      310        520      2,663
Tongging     1,947      157        <25      2,104
Lumban S       150    1,640          0      1,750