RHINCALANUS GIGAS 



311 



Falklatid Sector, February to March (Table III 6) 

 The line of stations from the South Shetlands to the Falklands taken in early 

 February (Sts. 1115, 1116, 1117 and 11 19) shows a striking reduction in numbers in 

 this region compared with the conditions at the beginning of November (Fig. 16). At 

 Sts. 1 1 16 and 11 17 the catches in the two nets combined amounted to 2860 and 2416 

 individuals respectively, compared with catches in November of over 5000 and, at 

 St. 1017, of over 10,000 (Fig. 14). At St. 11 19, north of the convergence, only 80 in- 

 dividuals were taken in the two nets together. 



Fig. 16. Horizontal distribution of Rhincalanus gigas in the Falkland Sector of the Antarctic, February to 

 March 1933. (i-m. nets, 250-100 m. approx., loo-o m. approx.) Numbers represent hundreds of in- 

 dividuals. 



On the line between the Falkland Islands and South Georgia at the end of February 

 (Fig. 16) we find conditions closely resembling those found in this area in the February 

 of the preceding season (Fig. 10). At the three stations in Antarctic water the catches 

 were very large and amounted to more than 10,000 individuals at the more westerly 

 (St. 1 125) and more than 5000 at the more easterly, near South Georgia (St. 1127). At 

 St. 1131, at the eastern end of the island, the catch amounted to more than 2500 in- 

 dividuals. At Sts. 1 122 and 11 23, however, in sub-Antarctic water, the catches of 

 Rhincalanus were small and did not exceed 500 individuals — 370 and 328 respectively. 

 These two stations and St. 11 19, south of the Falklands, therefore, again show the 



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