LANDING SITE KEY
KENYA | TANZANIA | UGANDA | |||
1. | Usenge (Siaya Dist.) | 7. | Nyaruguria (Musoma Dist.) | 17. | Malembo |
2. | Uhanya (Siaya Dist.) | 8. | Mwigobero (Musoma Dist.) | 18. | Dimu |
3. | Kaloka (Kisumu Dist.) | 9. | Makoko (Musoma Dist.) | 19. | Bukakata |
4. | Kusa (Kisumu Dist.) | 10. | Nassa (Magu Dist.) | 20. | Majanji |
5. | Sangorota (Kisumu Dist.) | 11. | Igombe (Mwanza Dist.) | ||
6. | Luanda Konyango (S. Nyanza Dist.) | 12. | Semba (Mwanza Dist.) | ||
13. | Kisaka (Mwanza Dist.) | ||||
14. | Mwaloni Kirumba (Mwanza Dist.) | ||||
15. | Chakula Barafu (Mwanza Dist.) | ||||
16. | Shede (Mwanza Dist.) |
Table 1.1
LAKE VICTORIA MAJOR SPECIES REFERRED TO IN TEXT
Scientific Name | English Name | Local Names* |
Lates niloticus | Nile perch | mbuta (K), mputa (U), sangara (T), chengu (T) |
Rastrineobola argentea | sardine | dagaa (K,T,U), omena (K), mukene (U) |
Oreochromis niloticus | tilapia | nyamami (K), ngege (K,T,U), perege (T), sato (T) |
Oreochromis esculentus | tilapia | ngege (K,T,U), perege (T), sato (T) |
Oreochromis leucostictus | tilapia | ngege (K,T,U), opat (K), perege (T), sato (T) |
Oreochromis variabilis | tilapia | ngege (K,T,U), mbiru (K,T), perege (T), sato (T) |
Tilapia zillii | tilapia | ngege (K,T,U), sili (K), perege (T), sato (T) |
Tilapia rendalli | tilapia | ngege (K,T,U), perege (T), sato (T) |
Haplochromis spp. | haplochromine | fulu (K), furu (T), ** nkeje (U) |
Bagrus docmac | catfish | sew (K), mbofu (T), ssemutundu (U) |
Clarias mossambicus | catfish | mumi (K), kambale (T), male (U) |
Protopterus aethiopicus | lungfish | kamongo (K,T), kambale mamba (T,U) |
Synodontis victoriae | - | okoko (K), ngogo (T), nkolongo (U), gogogo (T) |
Barbus altianalis | - | fwani (K), odhadho (K), kuyu (T), kisinja (U) |
Mormyrus kannume | elephant-snout fish | suma (K), mbete (T), domodomo (T), kasulu (U) |
Schilbe mystus | butterfish | sire (K), nembe (T), nzere (U) |
Alestes jacksoni | - | osoga (K,T), nsoga (U) |
Labeo victorianus | - | ningu (K,T,U) |
Caridina nilotica | shrimp | - |
* (K) Kenya; (T) Tanzania; (U) Uganda
** Also used to describe small fish of other species.
L. VICTORIA - FISH PRODUCTION (m.t.) BY COUNTRY AND SPECIES 1975, 1979, & 1985*
KENYA | 1975 | 1979 | 1985 |
O.esculentus | 28 | 94 | 42 |
O.niloticus | 202 | 962 | 7 573 |
Other tilapia | 412 | 1 683 | 1 827 |
Bagrus | 1 389 | 1 769 | 61 |
Lates | 51 | 4 286 | 50 029 |
Protopterus | 1 469 | 472 | 150 |
Haplochromis | 4 620 | 6 599 | 6 |
Clarias | 2 584 | 3 029 | 547 |
Barbus | 283 | 417 | 113 |
Synodontis | 126 | 482 | 0 |
Mormyrus | 58 | 359 | 49 |
Labeo | 108 | 443 | 0 |
Schilbe | 54 | 320 | 5 |
Rastrineobola | 4 548 | 9 321 | 25 866 |
Oth. sm.mixed | 649 | 356 | 2 321 |
TOTAL | 16 581 | 30 592 | 88 589 |
TANZANIA | 1975 | 1979 | 1985 |
O.esculentus | 3 592 | 1 997) | |
O.niloticus | 0 | 1 608) | 10 651 |
Other tilapia | 2 057 | 3 952) | |
Bagrus | 5 827 | 5 183 | 9 215 |
Lates | 0 | 0 | 37 608 |
Protopterus | 6 180 | 4 603 | 4 050 |
Haplochromis | 16 148 | 21 760 | 11 572 |
Clarias | 2 508 | 2 558 | 5 560 |
Barbus | 232 | 364 | 402 |
Synodontis | 2 295 | 4 334 | 9 278 |
Mormyrus | 80 | 408 | 353 |
Labeo | 1 601 | 6 849 | 544 |
Schilbe | 1 015 | 1 638 | 1 577 |
Rastrineobola/ | |||
Oth. sm.mixed | 5 058 | 2 661 | 8 096 |
TOTAL | 46 593 | 57 915 | 98 906 |
UGANDA | 1975 | 1979 | 1985 |
O.esculentus | 70 | 180 | - |
O.niloticus | 5 890 | 750 | - |
Other tilapia | 1 040 | 720 | - |
Bagrus | 2 930 | 6 530 | - |
Lates | 250 | 190 | - |
Protopterus | 195 | 1 370 | - |
Haplochromis | 1 690 | 1 550 | - |
Clarias | 2 584 | 3 029 | - |
Barbus | 260 | 360 | - |
Synodontis | 70 | 2 540 | - |
Mormyrus | 40 | 130 | - |
Labeo | 10 | 40 | - |
Schilbe | - | - | - |
Rastrineobola | 10 | 70 | - |
Oth. sm.mixed | - | - | - |
TOTAL | 15 500 | 16 760 | - |
L. VICTORIA -- TOTAL FISH PRODUCTION (m.t.) BY SPECIES, 1975, 1979, & 1985*
SPECIES | 1975 | (%) | 1979 | (%) | 1985 | (%) |
O.esculentus | 3690 | (4.8) | 94 | (2.2) | ||
O.niloticus | 6092 | (7.9) | 3320 | (3.2) | 20093 | (10.7) |
Other tilapia | 3509 | (4.6) | 6355 | (6.0) | ||
Bagrus | 10146 | (13.2) | 13482 | (12.8) | 9276 | (4.9) |
Lates | 301 | (0.4) | 4476 | (4.3) | 87637 | (46.7) |
Protopterus | 7844 | (10.2) | 6445 | (6.1) | 4200 | (2.2) |
Haplochromis | 22458 | (29.2) | 29909 | (28.4) | 11578 | (6.2) |
Clarias | 6382 | (8.3) | 7917 | (7.5) | 6107 | (3.3) |
Barbus | 775 | (1.0) | 1141 | (1.1) | 515 | (0.3) |
Synodontis | 2491 | (3.2) | 7356 | (7.0) | 9278 | (4.9) |
Mormyrus | 178 | (0.2) | 897 | (0.9) | 402 | (0.2) |
Labeo | 1719 | (2.2) | 7332 | (7.0) | 544 | (0.3) |
Schilbe | 1069 | (1.4) | 1958 | (1.9) | 1582 | (0.8) |
Rastrineobola | 4558 | (5.9) | 10989 | (10.4) | 25866 | (13.8) |
Oth. sm.mixed | 5707 | (7.4) | 1419 | (1.3) | 10417 | (5.6)** |
TOTAL | 76919 | 105267 | 187495 |
* SOURCES: CIFA 1982; DFK Statistical Bulletins; Bwathondi 1988. Figures for 1985 combine Kenya and Tanzania only.
** Tanzania combines “Rastrineobola” and “Other Small Mixed.”
KENYA - FISH & MARINE PRODUCTS 1974–1986 (in m.t.)*
YEAR | FRESHWATER FISH | MARINE PRODUCTS | GRAND TOTAL | ||||
L.Victoria | Oth.Waters | Total | Fish | Oth.Products | Total | ||
1974 | 17,175 | 7,990 | 25,165 | 3,116 | 300 | 3,416 | 28,581 |
1975 | 16,581 | 6,229 | 22,810 | 4,220 | 311 | 4,531 | 27,341 |
1976 | 18,680 | 18,192 | 36,872 | 3,889 | 260 | 4,149 | 41,021 |
1977 | 19,332 | 17,293 | 36,625 | 4,046 | 290 | 4,336 | 40,961 |
1978 | 28,856 | 17,904 | 41,760 | 4,177 | 457 | 4,634 | 46,394 |
1979 | 30,592 | 15,906 | 46,498 | 2,858 | 1,057 | 3,915 | 50,413 |
1980 | 26,914 | 15,968 | 42,882 | 4,905 | 431 | 5,336 | 48,218 |
1981 | 38,179 | 13,206 | 51,385 | 5,546 | 421 | 5,967 | 57,352 |
1982 | 60,958 | 13,059 | 74,017 | 6,622 | 494 | 7,116 | 81,133 |
1983 | 77,327 | 13,741 | 91,068 | 5,798 | 595 | 6,393 | 97,461 |
1984 | 71,854 | 12,346 | 84,200 | 6,096 | 707 | 6,303 | 91,003 |
1985 | 88,589 | 11,175 | 99,764 | 5,777 | 432 | 6,209 | 105,973 |
1986 | 103,163 | 10,031 | 113,194 | 6,156 | 448 | 6,604 | 119,798 |
TOTAL | 593,200 | 173,040 | 766,240 | 63,206 | 6,203 | 69,409 | 835,649 |
MEAN | 45,631 | 13,311 | 58,942 | 4,862 | 477 | 5,339 | 64,281 |
* SOURCE: DFK Statistical Bulletins.
KENYA - L. VICTORIA WATERS, CATCHES PER NET (5"/4" gillnet) NYANZA GULF 1920–1968.*
YEAR | CATCH PER NET (NO. OF FISH) Tilapia spp. | CATCH PER NET (NO. OF FISH) ALL SPECIES | SOURCE OF INFORMATION |
Prior to 1921 | 30 | -- | EAFFRO ANNUAL REPORT 1954/55 |
1928 | 6 | -- | EAFFRO ANNUAL REPORT 1954/55 |
1933 | 7 | -- | REVIEW OF KENYA FISHERIES 1946/47 |
1937 | 3.08 | -- | REVIEW OF KENYA FISHERIES 1946/47 |
1939/49 | -- | 2.2 | LAKE VICTORIA FISHERIES SERVICES ANNUAL REPORT 1952 |
1942 | 2.52 | -- | REVIEW OF KENYA FISHERIES 1946/47 |
1947 | 2.12 | -- | REVIEW OF KENYA FISHERIES 1946/47 |
1952 | 1.9 | 2.0 | LAKE VICTORIA FISHERIES SERVICES ANNUAL REPORT 1952 |
1954 | 1.6 | -- | EAFFRO ANNUAL REPORT 1954/55 |
1962 | 1.38 | (4"NET) 1.56 | KENYA FISHERIES REPORT 1962 |
1965 | 0.51 | 0.54 | KENYA FISHERIES REPORT 1965 |
1968 | 0.35 | 0.45 | EAFFRO ANNUAL REPORT 1968 |
* SOURCE: Adapted from Whiting 1969.
KENYA - L. VICTORIA WATERS, ANNUAL CATCHES (m.t.) BY SPECIES, 1974–1985*
SPECIES | 1974 | 1975 | 1976 | 1977 | 1978 | 1979 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 |
O.esculentus | 57 | 28 | 49 | 42 | 180 | 94 | 90 | 139 | 399 | 108 | 99 | 42 |
O.niloticus | 411 | 202 | 421 | 465 | 972 | 962 | 1184 | 1858 | 2581 | 2516 | 6136 | 7573 |
Other tilapia | 488 | 412 | 537 | 928 | 1454 | 1683 | 3739 | 1900 | 1495 | 1658 | 1243 | 1827 |
Alestes | 1 | 14 | 2 | 0 | 35 | 23 | 0 | 4 | 2 | 4 | 1 | 0 |
Bagrus | 1103 | 1389 | 1025 | 1141 | 1396 | 1769 | 642 | 430 | 2532 | 1243 | 88 | 61 |
Lates | 136 | 51 | 97 | 203 | 1066 | 4286 | 4310 | 22834 | 3334 | 52337 | 41319 | 50029 |
Protopterus | 2179 | 1469 | 935 | 773 | 612 | 472 | 370 | 187 | 239 | 108 | 81 | 150 |
Haplochromis | 6013 | 4620 | 6368 | 5378 | 6621 | 6599 | 3636 | 916 | 2546 | 612 | 41 | 6 |
Clarias | 2211 | 2584 | 2507 | 1755 | 1729 | 3029 | 1223 | 1003 | 2062 | 895 | 780 | 547 |
Barbus | 127 | 283 | 182 | 183 | 199 | 417 | 421 | 292 | 692 | 100 | 53 | 113 |
Synodontis | 196 | 126 | 191 | 310 | 155 | 482 | 388 | 127 | 232 | 47 | 75 | 0 |
Mormyrus | 89 | 58 | 89 | 102 | 102 | 359 | 333 | 208 | 2678 | 218 | 89 | 49 |
Labeo | 59 | 108 | 123 | 936 | 148 | 443 | 482 | 112 | 918 | 81 | 58 | 0 |
Schilbe | 31 | 54 | 57 | 129 | 120 | 320 | 117 | 49 | 78 | 22 | 3 | 5 |
Rastrineobola | 3742 | 4548 | 5652 | 6704 | 8710 | 9321 | 9443 | 7635 | 10419 | 16444 | 19437 | 25866 |
Oth. sm.mixed | 332 | 635 | 445 | 280 | 327 | 333 | 536 | 483 | 961 | 894 | 2351 | 2321 |
TOTAL | 17175 | 16581 | 18680 | 19332 | 23856 | 30592 | 26914 | 38179 | 60958 | 77327 | 71854 | 88589 |
* SOURCE: DFK Statistical Bulletins.
KENYA - L. VICTORIA WATERS, MEAN PRICES TO FISHERMEN BY SPECIES 1976–1986 (KShs/kg).*
SPECIES | 1976 | 1977 | 1978 | 1979 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 |
O.esculentus | 2.50 | 2.18 | 3.53 | 1.78 | 4.37 | 4.32 | 5.28 | 4.73 | 5.57 | 6.48 | ** |
O.niloticus | 3.05 | 2.68 | 3.74 | 3.90 | 4.91 | 4.94 | 5.58 | 5.55 | 4.85 | 6.36 | 7.52 |
Other tilapia | 2.49 | 1.72 | 2.81 | 4.37 | 3.89 | 4.16 | 4.91 | 3.96 | 4.21 | 4.98 | 5.29 |
Alestes | 1.29 | ** | 1.14 | 1.92 | ** | 2.14 | 4.10 | 3.00 | 2.55 | ** | ** |
Bagrus | 1.09 | 1.38 | 2.59 | 1.14 | 1.90 | 2.17 | 2.00 | 1.99 | 2.58 | 3.61 | 2.94 |
Lates | 1.59 | 1.65 | 1.76 | 2.07 | 1.75 | 1.98 | 1.82 | 1.39 | 1.59 | 1.79 | 2.01 |
Protopterus | 1.99 | 2.00 | 2.28 | 2.37 | 2.91 | 2.97 | 3.82 | 3.15 | 4.43 | 4.60 | 5.14 |
Haplochromis | 1.17 | 1.02 | 1.10 | 1.53 | 1.54 | 1.71 | 1.33 | 1.23 | 1.74 | 3.67 | 2.67 |
Clarias | 1.58 | 1.95 | 2.11 | 3.95 | 2.39 | 2.55 | 2.72 | 2.21 | 2.29 | 3.32 | 3.29 |
Barbus | 2.63 | 1.93 | 2.59 | 2.23 | 3.01 | 3.76 | 2.67 | 3.59 | 4.41 | 6.20 | 8.66 |
Synodontis | 1.49 | 1.14 | 1.57 | 2.75 | 2.00 | 2.79 | 3.91 | 5.83 | 4.87 | - | 5.00 |
Mormyrus | 1.63 | 1.49 | 1.87 | 2.12 | 2.11 | 2.38 | 1.34 | 1.91 | 2.32 | 2.61 | 2.66 |
Labeo | 1.49 | 1.23 | 1.77 | 1.17 | 2.13 | 2.70 | 2.06 | 1.89 | 2.14 | - | 2.04 |
Schilbe | 1.92 | 1.17 | 2.10 | 2.99 | 2.50 | 2.47 | 3.49 | 5.05 | 2.13 | 4.60 | 6.32 |
Rastrineobola | 0.87 | 0.88 | 1.14 | 2.27 | 1.78 | 1.97 | 1.36 | 1.09 | 1.26 | 1.38 | 1.38 |
Unspecified | 1.16 | 1.10 | 2.81 | 3.64 | 2.36 | 2.77 | 1.74 | 1.73 | 1.75 | 1.87 | 2.61 |
MEAN | 1.28 | 1.57 | 2.18 | 2.51 | 2.64 | 2.86 | 3.01 | 3.02 | 3.04 | 3.96 | 4.11 |
* SOURCE: DFK Statistical Bulletins
** NO DATA AVAILABLE
KENYA - L. VICTORIA WATERS, VALUE OF CATCH BY FISH SPECIES (KShs '000), 1976–1986*
SPECIES | 1976 | 1977 | 1978 | 1979 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 |
O.esculentus | 157 | 103 | 635 | 367 | 338 | 548 | 2107 | 511 | 543 | 272 | ** |
O.niloticus | 1241 | 1398 | 3640 | 3995 | 4927 | 8523 | 14406 | 13961 | 29857 | 48152 | 59036 |
Other tilapia | 1317 | 2562 | 4078 | 5635 | 12376 | 7437 | 7338 | 6559 | 5220 | 9091 | 6941 |
Alestes | 3 | ** | 40 | 37 | ** | 11 | 8 | 12 | 14 | ** | ** |
Bargrus | 1113 | 1277 | 2036 | 2968 | 1293 | 964 | 5060 | 2483 | 226 | 220 | 182 |
Lates | 150 | 382 | 1873 | 8778 | 7434 | 45817 | 60381 | 72995 | 65914 | 89308 | 114648 |
Protopterus | 1823 | 1627 | 1394 | 1260 | 1060 | 483 | 912 | 340 | 341 | 690 | 771 |
Haplochromis | 7342 | 5536 | 7264 | 8130 | 4328 | 1599 | 3394 | 754 | 73 | 22 | 8 |
Clarias | 3995 | 3202 | 3655 | 6712 | 3012 | 2728 | 5599 | 1989 | 1765 | 1814 | 2508 |
Barbus | 470 | 508 | 515 | 1869 | 2258 | 1598 | 1822 | 359 | 241 | 701 | 2147 |
Synodontis | 285 | 399 | 243 | 904 | 910 | 320 | 907 | 274 | 361 | 0 | 5 |
Mormyrus | 140 | 173 | 247 | 668 | 514 | 454 | 3510 | 417 | 211 | 128 | 135 |
Labeo | 175 | 1024 | 262 | 936 | 1430 | 339 | 1889 | 153 | 119 | 0 | 328 |
Schilbe | 109 | 268 | 252 | 745 | 266 | 138 | 273 | 111 | 24 | 23 | 158 |
Rastrineobola | 5211 | 6891 | 9928 | 13471 | 17306 | 13284 | 14121 | 17854 | 24259 | 35806 | 47746 |
Unspecified | 519 | 331 | 918 | 620 | 1351 | 1103 | 1673 | 1543 | 4142 | 4333 | 2720 |
TOTAL | 24050 | 25681 | 36980 | 57095 | 58803 | 85346 | 123400 | 120315 | 133310 | 190560 | 237333 |
* SOURCE: DFK Statistical Bulletins
** No data available
KENYA - L. VICTORIA WATERS, ILLUSTRATIVE ANNUAL COST AND EARNINGS FOR NON-MOTORISED NILE PERCH CANOE FISHING UNIT (Ksh, July 1987)
ITEM | RATE | KSHS. | TOTAL KSHS. |
EQUIPMENT & GEAR INVESTMENT:1 | |||
CANOE | 15,000 | ||
NETS (30) | Shs.725 Ea. | 21,750 | 36,750 |
GROSS REVENUE:2 | |||
TOTAL ANNUAL CATCH | 41,250 kg | ||
GROSS ANNUAL RETURN | Shs.2.50/kg | 103,125 | 103,125 |
OPERATING COSTS:3 | |||
TOTAL ANNUAL WEIGHT CREW FISH | 825 kg | ||
@ TOTAL ANNUAL COST | Shs.2.50/kg | -2,063 | |
TOTAL ANNUAL COST OTHER CREW FOOD | Shs. 25/day | -6,875 | |
ANNUAL CREW CATCH SHARE | 20% | -20,625 | |
ANNUAL CO-OP DEDUCTIONS FROM CATCH | 10% | -8,044 | |
MAINTENANCE | 20% Investment | -7,350 | |
REPLACEMENT (DEPRECIATION) | |||
NETS (2 years) | Shs.10,875/year | -10,875 | |
CANOE (4 years) | Shs.3,750/year | -3,750 | -59,582 |
MANAGEMENT OPPORTUNITY COST:4 | Shs.7,200/year | -7,200 | -7,200 |
NET REVENUE:5 | |||
RETURN TO CAPITAL | 36,343 | ||
RATE OF RETURN ON INVESTMENT | 99% | ||
NET REVENUE TO OWNER | 43,543 | ||
TOTAL REVENUE TO A CREW MEMBER | 7,390 | ||
(AS PERCENTAGE OF MINIMUM WAGE) | 103% |
Notes
KENYA - L. VICTORIA WATERS, ILLUSTRATIVE ANNUAL COST AND EARNINGS FOR MOTORISED NILE PERCH CANOE FISHING UNIT (Ksh, July 1987)
ITEM | RATE | KSHS. | KSHS.TOTAL |
EQUIPMENT & GEAR INVESTMENT: 1 | |||
CANOE | 15,000 | ||
ENGINE | 32,000 | ||
NETS (60) | Shs.725 Ea. | 43,500 | 90,500 |
GROSS REVENUE:2 | |||
TOTAL ANNUAL CATCH | 82,500 kg | ||
GROSS ANNUAL REVENUE | Shs. 2.50/kg | 206,250 | 206,250 |
OPERATING COSTS: 3 | |||
TOTAL ANNUAL WEIGHT CREW FISH | 825 kg | ||
@ TOTAL ANNUAL COST | Shs.2.50/kg | -2,063 | |
TOTAL ANNUAL COST OTHER CREW FOOD | Shs.25/day | -6,875 | |
ANNUAL CREW CATCH SHARE | 15% | -30,937 | |
ANNUAL COOP DEDUCTIONS FROM CATCH | 10% | -18,356 | |
ANNUAL FUEL AND OIL COST | -58,025 | ||
MAINTENANCE | 20% Investment | -18,100 | |
REPLACEMENT (DEPRECIATION) | |||
NETS (2 Years) | Shs.21,750/y | -21,750 | |
ENGINE (6 Years) | Shs. 5,334/y | -5,334 | |
CANOE (4 Years) | Shs. 3,750/y | -3,750 | -165,190 |
MANAGEMENT OPPORTUNITY COST: 4 | Shs.14,400/y | -14,400 | -14,400 |
NET REVENUE:5 | |||
RETURN TO CAPITAL | 26,660 | ||
RATE OF RETURN ON INVESTMENT | 29% | ||
NET REVENUE TO OWNER | 41,060 | ||
TOTAL REVENUE TO A CREW MEMBER | 7,975 | ||
(AS PERCENTAGE OF MINIMUM WAGE) | 111% |
NOTES
KENYA - EXPORTS OF NILE PERCH FILLETS, BY DESTINATION (1987)
DESTINATION | VOLUME | VALUE | AVG. FOB PRICE (Shs/kg) | ||
m.t. | % | '000KShs | % | ||
Israel | 2241.4 | 54.9 | 72845.5 | 54.1 | 32.5 |
Spain | 929.0 | 22.8 | 29820.9 | 22.1 | 32.1 |
Holland | 330.5 | 8.1 | 11798.8 | 8.8 | 35.7 |
Australia | 189.2 | 4.6 | 6924.7 | 5.1 | 36.6 |
France | 110.2 | 2.7 | 3085.6 | 2.3 | 28.0 |
U.K. | 103.0 | 2.5 | 2914.9 | 2.2 | 28.3 |
Japan | 78.0 | 1.9 | 3260.4 | 2.4 | 41.8 |
Belgium | 67.7 | 1.7 | 2694.5 | 2.0 | 39.8 |
West Germany | 14.0 | 0.3 | 568.4 | 0.4 | 40.6 |
Switzerland | 13.2 | 0.3 | 567.6 | 0.4 | 43.0 |
Greece | 5.0 | 0.1 | 193.5 | 0.1 | 38.7 |
Portugal | 1.3 | - | 47.8 | - | 36.8 |
TOTAL | 4082.5 | 100.0 | 134722.6 | 100.0 | - |
SOURCE: Ministry of Commerce & Industry, Dept. of External Trade, Nairobi. (Tettey, 1988)
TANZANIA - FISH & MARINE PRODUCTS 1969–1981 (in m.t.)*
YEAR | FRESHWATER FISH | MARINE PRODUCTS | GRAND TOTAL | ||||
L.Victoria | Oth.Waters | Total | Fish | Oth.Products | Total | ||
1969 | 53,927 | 41,907 | 95,834 | 15,374 | 1 614 | 16,988 | 112,822 |
1970 | 48,292 | 115,665 | 163,957 | 17,492 | 1 592 | 19,084 | 183,041 |
1971 | 42,552 | 116,996 | 159,548 | 20,905 | 999 | 21,904 | 181,452 |
1972 | 40,926 | 94,307 | 135,233 | 27,564 | 1 115 | 28,679 | 163,912 |
1973 | 49,615 | 88,745 | 138,360 | 22,187 | 914 | 23,101 | 161,461 |
1974 | 41,526 | 106,185 | 147,711 | 25,218 | 676 | 25,894 | 173,605 |
1975 | 46,602 | 113,765 | 160,367 | 31,193 | 838 | 32,031 | 192,398 |
1976 | 48,250 | 142,527 | 190,777 | 48,491 | 285 | 48,776 | 239,553 |
1977 | 65,415 | 148,892 | 214,307 | 46,026 | 311 | 46,337 | 260,644 |
1978 | 46,553 | 116,222 | 162,775 | 46,436 | 271 | 46,707 | 209,482 |
1979 | 57,517 | 88,824 | 146,341 | 27,451 | 260 | 27,711 | 174,052 |
1980 | 67,193 | 122,170 | 189,363 | 33,604 | 416 | 34,020 | 233,383 |
1981 | (57,563) | 8,662 | 146,225 | 26,605 | 261 | 26,866 | 173,090 |
TOTAL | 665,931 | 1,384,867 | 2,050,798 | 388,546 | 9 552 | 398,098 | 2,448,896 |
MEAN | 51,225 | 106,528 | 157,754 | 29,888 | 735 | 30,623 | 188,377 |
TANZANIA - LAKE VICTORIA WATERS, COMPARISON OF MEAN CATCH RATES (kg/h) FOR 1969/70 AND 1984/85 TRAWL SURVEYS*
DEPTH RANGE | SHALLOW (2–14 m) | MEDIUM (16–35 m) | MAXIMUM (>50 m) | ||||||
SAMPLING STATION | 1969/70 IXB | 1984/85 | 1969/70 IXA | 1984/85 | 1969/70 XII | 1984/85 6 | |||
1 | 2 | 3 | 4 | 5 | |||||
NO. TRAWLS | 29 | 66 | 122 | 93 | 84 | 40 | 40 | 39 | 22 |
Haplochromis spp. | 548.1 | 200 | 431 | 280 | 560.3 | 153 | 3 | 360.4 | 38 |
O. esculentus | 114.4 | - | - | - | 24.4 | - | - | - | - |
O. variabilis | 1.5 | + | + | + | 0.1 | + | - | - | - |
O. nilotica | 24.3 | 24 | 3 | + | 0.2 | - | - | - | - |
T. zillii | 0.0 | - | - | - | 0.0 | - | - | - | - |
O. leucostictus | 0.0 | - | - | - | - | - | - | - | - |
Bagrus docmac | 13.1 | + | + | 4 | 50.3 | 8 | 28 | 30.0 | 29 |
Clarias mozambicus | 40.6 | + | 2 | 2 | 28.0 | 5 | 6 | 12.0 | 4 |
Schilbe mystus | 1.1 | + | + | + | 5.5 | 2 | + | 0.1 | + |
Xenoclarias spp. | 0.0 | - | - | - | 0.1 | - | + | 0.3 | + |
Protopterus aethiopicus | 25.2 | 18 | 29 | 21 | 24.4 | 5 | - | 0.3 | - |
Lates niloticus | - | 18 | 47 | 74 | - | 102 | 125 | - | 20 |
Synodontis victoriae | 0.3 | + | + | + | 9.4 | + | 4 | 29.2 | 12 |
Syno. afrofischeri | 0.1 | + | + | + | 0.0 | + | + | 0.0 | + |
Barbus altianalis | 0.0 | - | + | - | 0.1 | - | - | - | - |
Labeo victorianus | 0.1 | + | + | + | 0.7 | - | - | - | - |
Mormyrus kannume | 0.3 | - | - | + | 0.3 | - | + | 0.1 | - |
Alestes spp. | 0.0 | - | - | - | 0.0 | - | - | - | - |
Mastacembelus frenatus | - | + | + | + | 0.0 | + | - | - | - |
TOTAL | 769.1 | 260 | 512 | 381 | 703.8 | 275 | 166 | 432.4 | 103 |