few winter there, the effect of development of petroleum resources would prob- 

 ably be slight. 



Table 8. Number of dead birds and number and percentage of dead Black 

 Scoters found after major oiling incidents. 



Area 



Dates 



Number Number Percent- 



of oiled of dead age of 



dead Black Black 



birds Scoters Scoters 



Source 



North Sea coast , 

 Denmark 



Poole Harbour, 

 Dorset, England 



North-central 

 Kattegat, Denmark 



Southeast Kent, 

 England 



N. Sjaelland, 

 Denmark 



North Sea coast , 

 Denmark 



Northeast 

 England 



Pagham Harbour 

 area, West Sus- 

 sex, England 



Bornholra, Den- 

 mark 



Tay Estuary, 

 Scotland 



N. Sealand, Den- 

 mark 



Laeso-Vendsyssel , 

 Denmark 



1957-1958 



Jan. 1961 



Jan. -Feb. 

 1962 



winters of 

 1963-64 to 

 1965-66 



Feb. -Mar. 

 1965 



1965-1966 



Jan. 1966 



Jan. -Feb. 

 1967 



Jan. -Feb. 

 1968 



Mar . -Apr . 

 1968 



Feb. -Mar. 

 1969 



Dec. 1969 



92 (a) 52 



433 (a,b) 4 



1,723 (a,c) 390 



509 (a) 29 



2,340 (a) 981 



803 (a) 87 



805 



1 



466 (a) 82 



1,168 (b) 167 



2,376 (a) 387 



1,362 241 



56.52 Joensen 1972a 



0.09 Bourne 1968a 



22.63 Joensen 1972a 



5.70 Gibson 1966 



41.92 Joensen 1972a 



10.83 Joensen 1972a 



0.12 Parrack 1967 



91 (a,b) 4 4.39 Phillips 1967 



17.60 Joensen 1972a 



14.30 Greenwood and 

 Keddie 1968 



16.29 Joensen 1972b 



17.69 Joensen 1972b 



361 



