410 
Wisconsin Academy of Sciences, Arts, and Letters. 
Table 9. Total weight and percentage of each species in Zone 2 (1-3 meters). 
Area: 2.905 square Tcilometers. From tables 6 and 7. 
Species 
KilograiDB 
Per Cent 
Wet 
Dry 
Wet 
Dry 
Ceratophyllum . 
331,100 
23,500 
6.5 
3.7 
Char a . 
2,417,000 
375,600 
47.6 
58.2 
Drepanocladus . • . 
101,700 
17,700 
2.0 
2.8 
Eldoea ..... 
58,100 
5,200 
1.2 
0.8 
Myriophyllum . 
534,500 
52,000 
10.5 
8.1 
Naias . 
63,900 
6,100 
1.3 
1.0 
Potamogeton ampiifolius . 
119,100 
13,400 
2.4 
2.1 
Potamogeton foliosus . 
34,900 
4,100 
0.6 
0.6 
Potamogeton heterophyllus . 
101,800 
11,300 
2.0 
1.8 
Potamogeton natans .. . 
75,500 
9,000 
1.5 
1.4 
Potamogeton pectinatus . 
459,000 
53,200 
9.0 
8.3 
Potamogeton Richardsonii . 
119,100 
14,500 
2.4 
2.3 
Potamogeton zosterifnlius . 
135,400 
16,900 
2.7 
2.6 
Radicula .•.. 
22,500 
2,200 
0.4 
0.4 
Ranunculus . 
32,000 
3,500 
0.6 
0.6 
Vallisneria . 
363,100 
24,400 
7.2 
3.8 
Heteranthera . 
78,400 
7,600 
1.2 
1.2 
Car ex . 
Castalia . 
24,000 
2,000 
0.5 
0.3 
Cladophorn . 
Nympknea . 
Scirpus. . 
Total. 
5,075,100 
642,200 
100.0 
100.0 
