station WHITE POINT INTERTIDAL 



Oligochaetes 



R^ =0.54 



UAR79 MAR80 MAR81 MAR82 MAR83 MAR84 MARB5 MAR86 MAR87 MAR88 



STATION; WHITE POINT INTERTIDAL 

 Oligochaetes 



c. 



Fig. 7. Continued. 



during the last two years was much less variable 

 than at other stations. 



After multiple regression analysis removed 50% 

 (GN), 17% (.IC) and 54% (WP) of the temporal 

 variation, no significant trends were evident at .JC 

 or GN, while at WP, there was a significant de- 

 creasing trend fiom 1982-1985 that continued 

 through the operational period (1986-87). 

 Oligochaete abundance at GN in 1987 was sig- 

 nificantly liigher than abundances in 1980-1983. 

 At JC, annual means for 1986 and 1987 (also 



1985) were higher than most previous years, but 

 significant from only 1984. Mean abundance at 

 WP in 1986 and 1987 was significantly lower than 

 only 1982, when a peak in abundance occurred. 



Scolecolepides viridis 



Scolecolepides viridis is most common 

 intertidally, burrows in a variety of substrata and 

 is particularly abundant in sand (Wells and Gray 

 1964). This polychaete is most frequently found 

 in areas of reduced salinity (Smith 1964). Adults 



Benthic Infaima 



75 



