Table 291. Greatest depths of distribution of various groups of bottom-living animals 



* The depth at the beginning and end of the trawl. 



Table 292. Number of Calanoidea species per m z at different depths of the Kuril- 

 Kamchatka trench (Brodsky, 1952) 



Horizon, m 0-25 25-50 50-100 100-200 



Number of species 7 7 9 10 



Horizon, m 200-500 



Number of species 28 



500-1,000 

 30 



,000-4,000 

 87 



