Table 9.1 Hatching success of herring roe at different stations. 



Locality Date % hatching (mean) N 



observed theoretical 

 Polluted area: 



Storudden 

 Storudden 

 Ekskar 



Tistelholmen 

 Tistelholmen V 

 Tistelholmen V 

 Tistelholmen V 

 Tistelholmen V 



Reference area: 



Perso 



oil total (pooled) 

 control total (pooled) 



observed: percent hatched larvae. 



theoretical: percent hatched larvae and nearly hatched eggs 



reference stations underlined. 



199 



