Table 4. Annual mean species diversity CH' ) , evenness (J), species number (S), 

 total individual (+ 1 standard error) collected at Millstone 

 incertldal stations from September 1979 - June 1985. 



Giant Neck 



1.9+0.3 1.7+0.2 1.5+0.4 1.3+0.2 2.2+0.5 1.7+0.4 



0.7+0.1 0.6+0.1 0.4+0.1 0.5+0.1 0.6+0.1 0.5+0.1 



9 + 3 10+1 13 ±1 ^±1 13 + 3 9 + 2 



322 + 202 202 + 73 368 + 61 162 + 87 220 + 112 149 + 54 



Jordan Cove 



1.5+0.5 1.7+0.5 1.6+0.5 1.7+0.5 1.5+0.4 2.3+0.1 



0.4+0.1 0.4+0.1 0.5+0.2 0.4+0.1 0.5+0.1 0.5+0.1 



12 + 2 15 + 5 9 + 2 17 + 4 12 + 4 21 + 3 



267 + 127 421 + 160 309 + 230 558 + 162 581 + 249 580 + 237 



White Point 



2.2+0.1 2.1+0.2 1.2+0.2 1.5+0.1 1.4+0.2 1.7+0.4 



0.6+0.1 0.7+0.1 0.4+0.1 0.6+0.1 0.4*+ 0.1 0.5+0.1 



12+2 1113 10+2 ' ± 2 10+1 11+2 



193 + 53 275 + 101 337 + 148 97 + 39 181 + 63 182 + 58 



Cluster Analysis 



Cluster analysis, based on annual species counts since 1980 produced two major station-time groups 

 tliat reflected differenres between community structure at .!(" and those found at GN and WP (Pig. 7). 



23 



