Table 21. Concentrations of glycogen in the liver of plaice Pleuronectes 

 platessa from a reference station at lie Tudy and from oil- 

 polluted Aber Benoit and Aber Wrac'h. Values are in mg glycogen/ 

 g wet weight. 



Station February 1930(23) a June 1980(27) 



Reference 4.81 + 9.05 8.45 + 7.03 



Aber Benoit 0.48 + 0.39 6.68 + 7.56 



Aber Wrac'h 14.37 + 17.42 12.35 + 12.0 



a ' months after the Amoao Cadiz oil spill, 16 March 1978. 



308 



