The Distribution of Indian Ocean Euphausiids
359
Of the 1927 samples processed at IOBC, 1231 have been examined in the preparation
of this report. Six hundred and eleven were used for the May - September charts (Table 1),
and 620 for the November- March charts (Table 2). In some instances where a significant
Table 2. Samples used in November 1 - March 31 charts
Vessel
"Anton Bruun"
"Argo"
"Diamantina"
"Discovery"
"Gascoyne"
"Kagoshima Maru"
"Kistna"
"Koyo Maru"
"Meteor"
"Natal"
"Oshoro Maru"
"Patanela"
"Umitaka Maru"
"Varuna"
"Vitiaz"
"Zulfiquar"
a (Stations 43 - 55, April 1- 8)
Cruise
A
4A
5
8
Monsoon
1/ 64
3
1/ 63
3
4
7
21
22
25
14
16
1
6
7
11
24
104
31
33
35
36
Zulun
b (Stations 172 -188, October, 15 - 31 )
c (Stations 308 - 327, April, 3 -15 )
d (Stations 395 -415, September, 26 - October, 31)
e (Stations 5 310 - 5355, April, 1- 25)
1 (Stations 5 304- 5306, October, 24 - 28 )
Stations
I -
Ll
14- 55 a
172- 200 b
282- 327 c
395- 420 d
13- 24
3161
5265-5355'
1- 34
1- 32
102- 123
187- 194
541- 566
570- 612
652- 667
17 -
23
220
49- 229
142- 178
1- 34, 49-50
113
123
456
6301-6328
2009-2014
4641-4642
4883-4905
5279-5289
5313-5369 1
122
geographical area was sampled only during an "inter-monsoon period", October or
April, those samples have nevertheless been incorporated into one or the other of the
seasonal pictures. For example, the eastern half of the Bay of Bengal was sampled by
"Anton Bruun" only very late in the NE monsoon period, March 19 - April 8. However,