Table 4.—Frequency distribution and mean numbers of fish larvae obtained by the Table 5.—Comparison of mean thermal conditions observed at various depths in 
two vessel patterns occupied in the Caribbean Sea on MARMAP OTP'I and II the Caribbean Sea during the MARMAP OTP'I and II cruises (Oregon II cruises 
(Oregon IT cruises 7239 and 7343). 7239 and 7343). 
Oregon IT 7239 Oregon II 7343 Total both cruises Mean Mean Mean Mean Mean 
No. fish Actual Stand. Actual — Stand. Actual — Stand. Area, cruise, temp. depth — depth 24° depth 20° temp. at 
larvae/haul counts no. counts no. counts no. and no. of MSL? MSL isotherm isotherm 200 m 
0 0 0 0 0 0 0 stations (°C) (m) (m) (m) (°C) 
1-10 0 0 0 0 0 0 East of 
11-100 46 0 34 3 80 3 Lesser 
101-1,000 18 58 10 40 28 98 Antilles 
1,001 + 0 6 0 2 0 8 7239 - 10 27.3 46 121 192 19.2 
7343 - 11 26.3 94 122 184 18.8 
Mean no. 
larvae/haul 87.0 509.0 87.3 299.6 87.1 422.8 Eastern 
Caribbean Sea 
Mean no. (east of long. 66°W, 
day hauls 65.4 412.9 71.5 243.5 68.2 335.2 N of lat. 14°N) 
7239 - 16 27.6 43 113 178 18.5 
Mean no. 7343 -8 26.7 91 126 183 18.7 
night hauls 112.8 611.5 108.9 376.8 111.3 §20.5 
Central 
Mean no. Caribbean Sea 
sunset-sunrise (east of long. 
hauls 72.4 486.6 82.0 284.7 74.7 432.1 76°W, S of lat. 18°N, 
N of lat. 14°N) 
‘Marine Mapping, Assessment and Prediction Operational Test Phase. 7239 - 8 27.9 69 144 213 20.7 
7343 - 19 26.6 98 143 202 19.9 
Western 
Caribbean Sea 
(W of long. 76°W, 
N of lat. 14°N) 
7239 - 12 28.3 71 159 208 Dll 
7343 -5 26.9 52 112 172 18.7 
Yucatan Channel 
7239 - 7 28.4 49 132 196 20.6 
7343 - 5 26.1 126 139 207 20.5 
‘Marine Mapping, Assessment and Prediction Operational Test Phase. 
*Mixed surface layer. 
Table 6.—Comparison of temperature data taken at selected locations and depths during the MARMAP OTP'I and II (Oregon J] cruises 7239 and 7343). 
Depth Depth 24° Depth 20° 
Position Date Surface temp. MSL? isotherm isotherm Temp. at 200 m 
Station no. Lat. Long. mo d mo d (°C) (m) (m) (m) CC) 
7239 7343 N Ww 7239 7343 Area 7239. 7343. 7239. 77343. 7239) 7343) 7239' 734372397343 
1 76 =13-00 ~=—- 060-00 07 13 02 13 East of 27.2 26.8 56 94 94 110 145 175 16.5 17.8 
2 78 1400 060-00 07 13 02 14 Lesser 27.3 26.4 50 86 117 100 201 150 20.0 16.8 
6 82 1600 060-00 07 14 02 14 Antilles 27.3 26.4 39 96 106 120 169 195 18.5 19.6 
10 86 §=18-00 ~—- 060-00 07 14 02 15 ZAeY BPSYS) 47 92 140 125 215 205 21.0 20.2 
18 96 =15-00 =: 065-00 07 17 02 17 Eastern 21.0) 227-1 42 88 135 130 190 178 19.8 18.8 
24 90 =18-00 =: 065-00 07 17 02 17 Caribbean 28:0" 25.9 30 80 110 120 190 200 19.7 20.0 
36 139 17-00 070-00 07 20 03 02. Central 28.0 26.8 65 112 185 140 240 225 23.3 21.0 
32 135 15-00 070-00 07 20 03 01 Caribbean 27.5 26.7 49 112 120 130 178 180 18.5 19.0 
39 141 18-00 073-00 07 21 03 02. Sea 28.1 26.4 85 89 141 148 218 210 21.0 21.3 
Western 
50 165 17-00 080-00 07 29 03 08 Caribbean 27.5) 21.0 67 75 135 120 192 185 19.5 19.3 
69 167 =. 21-30 085-15 08 02 03 10 Yucatan 28.7 25:9) 50 140 162 142 240 214 22.0 20.6 
70 169 = 21-30 085-30 08 02 03 10 Channel 28.4 26.0 58 119 159 142 225 214 21.4 20.7 
72 170 21-30 086-00 08 02 03 10 28.0 26.3 40 122 132 140 182 210 19.3 20.4 
‘Marine Mapping, Assessment and Prediction Operational Test Phase. 
*Mixed surface layer. 
41 
