286 



F. SALOMONSEN 



guillemots in Greenland has doubled over the 

 last 20 years, and has now reached 2 ppm, 

 which is, however, a relatively low figure. 

 Levels of DDE, PCB, and aldrin in Greenland 

 birds were investigated by Braestrup et al. 

 (1974). Common eider, king eider, harlequin 

 duck, and oldsquaw, as well as thick-billed 

 murre and great cormorant, were examined; 

 all were found to be contaminated with pesti- 

 cides, although to varying degrees. Highest 

 concentrations occurred in the cormorant, 

 which contained 6.5-15 ppm of DDE and 14.1- 

 46.7 ppm of PCB. These specific differences 

 appear to show that the pesticide level in the 

 different species of seabirds is influenced 

 more by the position of the bird in the food 

 chain than by its migratory habits. 



And finally, I wish to mention a more happy 

 event. On 9 May 1974 a new law of nature pro- 

 tection in Greenland was passed by the 

 Danish Parliament. According to this law, a 

 National Park is to be established covering al- 

 most the entire northeast and north regions of 

 Greenland, from the Thule District in north- 

 ern West Greenland around the entire north 

 coast of Greenland and south along the east 

 coast to the northern inner parts of Scoresby 

 Sound. All hunting, fishing, egg-collecting, 

 and disturbances to the environment are for- 

 bidden in this enormous area. This is by far 

 the greatest National Park in the world, 

 covering about 800,000 km 2 . Of this total 

 area, the greater part is a lifeless icecap, to be 

 sure, but about 200,000 km 2 is ice-free land 

 and suitable habitat for numerous high-arctic 

 birds. 



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