ECOLOGICAL STUDIES AT LOUGH INE
237
0 Absent
0 u p to 1% coverage
(> 2-10%
Bottoms
\ 0 Over lo0;
~
(b)
FIQ. 25. (Continued.)
Bottoms
(b)
FIG. 26. Distribution of Hippothoa hyalina on boulders in the Lough h e Rapids in
July 1948.