5-22 



1971 



1972 



ciycn 



1973 



1974 



FORT HALE 



o- 



<y 



1975 -<( y- 



-ND 



1976 



1977 



x>-- 



-ND 



JFMAMJJASOND 



HARBOR STATION 



-o- 



o 



<y^>o 



xxx>- 



JFMAMJJASOND 



LONG-TERM PANELS 



LONG WHARF 



■o-o- 



rxxx^ 



-<y< 



X? 



JFMAMJJASOND 



Figure 5-8. Abundance*of Balanus improvisus by year and by station, 

 August 1971 through October 1977. New Haven Harbor 

 Ecological Studies Summary Report, 1979. 



% coverage until July 1976, individuals/panel thereafter. 



