^ 7\ 



Figure 1. Location of rocky intertidal sampling sites. GN - Giants Neck, 

 BP - Bay Point, MP - Millstone Point, TT - Twotree Island, FE - 

 Fox Island (Exposed), FS - Fox Island (Sheltered), WP - White 

 Point, SE - Seaside Exposed, SS - Seaside Sheltered. 



Qualitative algal collections are made over a wider area than that 

 represented by the quantitative transects, and include niches and 

 micro-habitats (cf. Price 1980) that are not sampled quantitively. 

 However, the relative exposure scale given above applies generally to 

 the qualitative sites as well. Twotree Island (TT) has the widest range 

 of exposure, as samples are taken from the lee and windward sides of the 

 island (which consists primarily of loose rock, from cobble-sized to 

 boulders) . 



Qualitative algal samples were identified fresh, or after 

 short-term freezing. Voucher specimens were preserved in 4% 

 f ormalin/seawater, as herbarium mounts, or on microscope slides, depending 

 on the character of the material. 



Quantitative studies of the intertidal communities have continued 

 since February 1979, with the addition of Millstone Point in September 

 1981 . At each station, five previously established half-meter wide 

 strips, perpendicular to the waterline and extending from Mean High 

 Water to Mean Low Water levels, were maintained as study areas. These 

 strips (referred to as undisturbed transects) were marked with stainless 

 steel screws. The transects were defined by paired lines marked at 



