TABLE 4.4.2 EXAMPLE TO ILLUSTRATE METHOD 2: THE FLEET-STRUCTURED RAISING PROCEDURE
Sub-Table A: Data from one Trip, by Commercial Group, Fleet A, is the same as for Method 1
Sub-Table B1: Activity Data and Days registered in Port, Fleets A in Provinces A and B
| PROVINCE A | PROVINCE B | ALL OTHER PROVINCES | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| ACTIVITY LEVEL FLEET A | ACTIVITY LEVEL FLEET A | ACTIVITY LEVEL FLEET A | |||||||||
| Sampled Vessel | Number of active days during month | Number of days registered in base port | Number of active days in base port | Sampled Vessel | Number of active days during month | Number of days registered in base port | Number of active days in base port | Sampled Vessel | Number of active days during month | Number of days registered in base port | Number of active days in base port |
| No. | D(A) | DR(A) | D(A)*DR(A)/31 | No. | D(B) | DR(B) | D(B)*DR(B)/31 | No. | D(B) | DR(B) | D(B)*DR(B)/31 |
| 1 | 16 | 15 | 7.74 | 1 | 16 | 15 | 7.74 | 1 | 16 | 31 | 16.00 |
| 2 | 19 | 31 | 19.00 | 2 | 19 | 31 | 19.00 | 2 | 13 | 24 | 10.06 |
| 3 | 17 | 20 | 10.97 | 3 | 21 | 31 | 21.00 | 3 | 16 | 20 | 10.32 |
| Average | 12.57 | 4 | 17 | 15 | 8.23 | 4 | 21 | 15 | 10.16 | ||
| Average | 13.99 | 5 | 17 | 31 | 17.00 | ||||||
| Average | 12.71 | ||||||||||
Sub-Table B2: Number of Vessels, Fleets A in Provinces A and B
| Province | Number of vessels | Number of vessels | Number of days | Number of days |
|---|---|---|---|---|
| Fleet A | Fleet B | Fleet A | Fleet B | |
| A | 157 | 23 | 1973.4 | 287.5 |
| B | 87 | 42 | 1217.3 | 525.0 |
| Total sampled provinces | 244 | 65 | 3190.8 | 812.5 |
| Other Provinces | 219.6 | 32.5 | 2791.0 | 406.3 |
| Total | 463.6 | 97.5 | 5981.8 | 1218.7 |
| Raising factor | 1.875 | 1.500 | ||
Sub-Table c. Species Composition and Length Frequency for two Trips (summed over commercial groups) is the same as for Method 1 (Table 4.4.1).
Sub-Table d. Summation over Sampled Trips is the same as for Method 1 (Table 4.4.1).
TABLE 4.4.2 (CONTINUED) EXAMPLE TO ILLUSTRATE METHOD 2: THE FLEET-STRUCTURED RAISING PROCEDURE
Sub-Table e. Average (per Day) over Sampled Trips is the same as for Method 1 (Table 4.4.1)
Sub-Table F: Raising to Total Fleet A in two Provinces
| FLEET A | TOTAL OF FLEET A | Species | Total Landings Unit 1000 a) | Length Class | Total Length Freq. Unit 10000 b) |
| PROVINCE A | Number of vessels = 157 | ||||
| MONTH 1 (JANUARY) | |||||
| Mean Number of active days/vessel = 12.57 | |||||
 | Species 1 | 68.1 | lc = 1 | 324.7 | |
| sp = 1 | lc = 2 | 369.5 | |||
| lc = 3 | 964.6 | ||||
| Species 2 | 67.5 | lc = 1 | 136.3 | ||
| sp = 2 | lc = 2 | 168.2 | |||
| lc = 3 | 219.3 | ||||
| Species 3 | 87.6 | lc =1 | 392.7 | ||
| sp = 3 | lc = 2 | 353.8 | |||
| lc = 3 | 227.3 | ||||
| Total | 223.2 | ||||
| FLEET A | TOTAL OF FLEET A | Species | Total Landings Unit 1000 a) | Length Class | Total Length Freq. Unit 1000 b) |
| PROVINCE B | Number of vessels = 87 | ||||
| MONTH 1 (January) Mean Number of active days/vessel = 13.99 | |||||
| Species 1 | 82.9 | lc = 1 | 395.2 | |
| sp = 1 | lc = 2 | 449.8 | |||
| lc = 3 | 1174.2 | ||||
| Species 2 | 133.3 | lc = 1 | 268.9 | ||
| sp = 2 | lc = 2 | 331.9 | |||
| lc= 3 | 432.8 | ||||
| Species 3 | 172.9 | lc = 1 | 774.9 | ||
| sp = 3 | lc = 2 | 698.3 | |||
| lc =3 | 448.6 | ||||
| Total | 389.0 | ||||
| a) (Number of vessels) * (Mean active days/vessel) * (Average landings/day/vessel)/1000 tons b) (Number of vessels) * (Mean active days/vessel) * (Average number/day/vessel)/1000 specimens | |||||
Sub-Table g. Summing Fleet a over Sampled Provinces
| FLEETF A | TOTAL OF SAMPLED PROVINCES | Species | Total Landings Unit 1000 | Length Class | Total Length Freq. Unit 1000 |
| MONTH 1 (JANUARY) (PROVINCES A + B) | |||||
 | Species 1 | 151.0 | lc = 1 | 719.9 | |
| sp = 1 | lc = 2 | 819.2 | |||
| lc = 3 | 2138.8 | ||||
| Species 2 | 200.8 | lc = 1 | 405.2 | ||
| sp = 2 | lc = 2 | 500.0 | |||
| lc = 3 | 652.2 | ||||
| Species 3 | 260.5 | lc = 1 | 1167.6 | ||
| sp = 3 | lc = 2 | 1052.2 | |||
| lc = 3 | 675.9 | ||||
| Total | 612.3 | ||||
Sub-Table h. Raising Sampled Provinces to Total Country for Fleet A and B
| FLEET A TOTAL OF ALL PROVINCES | Species | Total Landings Unit 1000 | Length Class | Total Length Freq. Unit 1000 | |
| MONTH 1 (JANUARY) | Raising factor = 1.875 | ||||
 | Species 1 | 283.0 | lc = 1 | 1349.7 | |
| sp = 1 | lc = 2 | 1535.8 | |||
| lc = 3 | 4009.7 | ||||
| Species 2 | 376.5 | lc = 1 | 759.6 | ||
| sp = 2 | lc = 2 | 937.5 | |||
| lc = 3 | 1222.6 | ||||
| Species 3 | 488.3 | lc = 1 | 2188.9 | ||
| sp = 3 | lc = 2 | 1972.5 | |||
| lc = 3 | 1267.0 | ||||
| Total | 1147.8 | ||||
| FLEET B | TOTAL OF ALL PROVINCES | Species | Total Landings Unit 1000 | Length Class | Total Length Freq. Unit 1000 |
| MONTH 1 (JANUARY) | Raising factor = 1.500 | ||||
| Species 1 | 331.1 | lc = 1 | 1579.1 | |
| sp = 1 | lc = 2 | 1796.9 | |||
| lc = 3 | 4691.3 | ||||
| Species 2 | 440.5 | lc = 1 | 888.7 | ||
| sp = 2 | lc = 2 | 1096.8 | |||
| lc = 3 | 1430.5 | ||||
| Species 3 | 376.0 | lc = 1 | 1685.5 | ||
| sp = 3 | lc = 2 | 1518.8 | |||
| lc = 3 | 975.6 | ||||
| Total | 1147.6 | ||||
Sub-Table i. Summing Sampled Provinces.
| TOTAL OF SAMPLED FLEETS | Species | Total Landings Unit 1000 | Length Class | Total Length Freq. Unit 1000 |
| SUMMED OVER ALL FLEETS AND PROVINCES | ||||
| MONTH 1 (JANUARY) | ||||
 | Species 1 | 614.1 | lc = 1 | 2928.8 |
| sp = 1 | lc = 2 | 3332.7 | ||
| lc = 3 | 8701.0 | |||
| Species 2 | 817.0 | lc =1 | 1648.3 | |
| sp = 2 | lc = 2 | 2034.3 | ||
| lc = 3 | 2653.1 | |||
| Species 3 | 864.3 | lc = 1 | 3874.4 | |
| sp =3 | lc = 2 | 3491.3 | ||
| lc =3 | 2242.7 | |||
| Total | 2295.4 |
Table J. Raising sampled provinces to total country is the same as for Method 1(Table 4.4.1).
Table K. Repeating the exercise for each month is the same as for Method 1(Table 4.4.1).
Table L. Summation over months. Total annual catch of entire country is the same as for Method 1.
