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Table II
Concentration of chlorinated hydrocarbons in African inland and coastal waters (ng/l)
| Location/water type | Dieldrin | αHCH | HCB | γHCH (Lindane) | Heptachlor | Aldrin | Endosulfan | Reference | |
| INLAND WATERS | |||||||||
| North Africa - Egypt | |||||||||
| Lake Mariut | 2091 | Saad et al., 1982 | |||||||
| Lake Mariut | 120 | 1310 | Saad, 1981 | ||||||
| Nozha Hydrodrome | 1100 | Abu-Elamayem et al., 1979 | |||||||
| East Africa - Kenya | |||||||||
| Lake Nakuru | <100 | <100 | Kallqvist and Meadows, 1977 | ||||||
| West and Central Africa - Nigeria | |||||||||
| Ibadan, Streams | 250(17.8–657) | 150(1–302) | 17(ND-92) | 100(7–297) | 72(4–202) | 20(ND-40) | 98(ND-430) | Nwankwoala and Osibanjo, 1992 | |
| River Ogun | 13.3 (1.4–41.9) | 0.25 (ND-0.8) | 40 (5.1–49) | 116 (ND-260) | Agunloye, 1984; Tongo, 1985 | ||||
| River Imo | 0.2 (ND-0.6) | 4 (ND-11.4) | 13 (ND-40) | 13 (ND-41) | Agunloye, 1984; Tongo, 1985 | ||||
| Cross River | 1.0 (ND-5) | 0.3 (ND-1.1) | 2 (ND-8.6) | 36 (ND-143) | 20 (ND-80) | Agunloye, 1984; Tongo, 1985 | |||
| Awba Dam, Ibadan | 0.8 (ND-2.5) | 61 (9–167) | 18 (12–29) | 20 (ND-30) | Agunloye, 1984; Tongo, 1985 | ||||
| Kainji Lake | 0.12 (ND-0.24) | 0.47 (ND-3.48) | 0.55 (ND-3.05) | Adeniji et al., 1991 | |||||
| R. Ero Dam, Ondo | 560 | 2.0 | 3.3 | 3.1 | ND | Ogunlowo, 1991 | |||
| River Ero, Ondo | 740 | 2.0 | ND | ND | ND | Ogunlowo, 1991 | |||
| River Osse, Ondo | 2150 | 2.0 | 5.0 | ND | ND | Ogunlowo, 1991 | |||
| R. Owesse, Ondo | 1120 | 6.4 | 1.6 | ND | ND | Ogunlowo, 1991 | |||
| River Apomu, Ondo | 1380 | 4.8 | 4.6 | 3.5 | ND | Ogunlowo, 1991 | |||
| Southern Africa | |||||||||
| Hartbeespoort Dam, | <100 | Greichus et al., 1977 | |||||||
| RSA | |||||||||
| Voëlvlei Dam, RSA | <100 | Greichus et al., 1977 | |||||||
| L. Mcllwaine, Zimb. | <100 | Greichus et al., 1978a | |||||||
| L. Mcllwaine, Zimb. | 200 (<10–530) | 100 (26–270) | 100 (<10–120) | Mhlanga and Madziva, 1990 | |||||
| COASTAL WATERS | |||||||||
| North Africa - Egypt | |||||||||
| Abu-Kir Bay | 4.88 | 18.05 | Tayel, 1981 | ||||||
| West and Central Africa - Nigeria | |||||||||
| Lagos Lagoon | 8 (ND-24) | 2 (0.8–4.1) | 182 (16–634) | ND | 53 (3–190) | 29 (ND-86) | Tongo, 1985 | ||
| Location/water type | ρ,ρ'-DDE | ρ,ρ'-DDD | ρ,ρ'-DDT | Total DDT | PCB | Reference | |
| INLAND WATERS | |||||||
| North Africa - Egypt | |||||||
| Lake Mariut | 4493 | 134 | 5100 | Saad et al., 1982 | |||
| Lake Mariut | 6630 | 9820 | 21440 | Saad, 1981 | |||
| Nozha Hydrodrome | 1540 | 600 | Abu-Elamayem et al., 1979 | ||||
| Nozha Hydrodrome | 13610 | Saad, 1981 | |||||
| East Africa - Kenya | |||||||
| Lake Nakuru | <100 | <100 | <100 | <1000 | Greichus et al., 1978b; | ||
| Kallqvist and Meadows, 1977 | |||||||
| West and Central Africa - Nigeria | |||||||
| Ibadan, Streams | 310 (ND-1266) | Nwankwoala and Osibanjo, 1992 | |||||
| River Ogun | 87 (ND-244) | Agunloye, 1984; Tongo, 1985 | |||||
| River Imo | 121 (ND-241) | Agunloye, 1984; Tongo, 1985 | |||||
| Cross River | 120 (ND-470) | Agunloye, 1984; Tongo, 1985 | |||||
| Awba Dam, Ibadan | 330 (ND-1000) | Agunloye, 1984; Tongo, 1985 | |||||
| Kainji Lake | 3.88 (ND-10.05) | Adeniji et al., 1991 | |||||
| River Ero Dam, Ondo | ND | ND | ND | ND | ND | Ogunlowo, 1991 | |
| River Ero, Ondo | ND | ND | ND | ND | ND | Ogunlowo, 1991 | |
| River Osse, Ondo | ND | ND | ND | ND | ND | Ogunlowo, 1991 | |
| River Owesse, Ondo | ND | ND | ND | ND | ND | Ogunlowo, 1991 | |
| River Apomu, Ondo | ND | ND | ND | ND | ND | Ogunlowo, 1991 | |
| Southern Africa | |||||||
| Hartbeespoort Dam, RSA | 100 | 100 | 100 | 300 | 2000 | Greichus et al., 1977 | |
| Voëlvlei Dam, RSA | <100 | <100 | <100 | <200 | <1000 | Greichus et al., 1977 | |
| Lake Kariba, Zimbabwe | (<20–300) | Matthiessen, 1983 | |||||
| Lake Kariba, Zimbabwe | 350 (<10–700) | Mhlanga and Madziva, 1990 | |||||
| Lake Mcllwaine, Zimbabwe | 100 | <100 | <100 | <1000 | Greichus et al., 1978a | ||
| Lake Mcllwaine, Zimbabwe | 400 (30–700) | Mhlanga and Madziva, 1990 | |||||
| COASTAL WATERS | |||||||
| North Africa - Egypt | |||||||
| Abu-Kir Bay | 24.3 | Tayel, 1981 | |||||
| West and Central Africa - Nigeria | |||||||
| Lagos Lagoon | 3 (ND-15) | 83 (ND-344) | ND | 2500 (ND-9000) | Tongo, 1985 | ||
Table III
Concentration of chlorinated hydrocarbons in African inland and coastal water sediments (ng/g dry weight)
| Location/water type | Dieldrin | αHCH | HCB | γHCH (Lindane) | Heptachlor | Aldrin | Endosulfan | Reference | |
| INLAND WATERS | |||||||||
| North Africa - Egypt | |||||||||
| Lake Mariut | 89.1 | Abu-Elamayem et al., 1979 | |||||||
| Lake Mariut | 65.5 | 327.0 | Saad, 1981 | ||||||
| Nozha Hydrodrome | 119.5 | Abu-Elamayem et al., 1979 | |||||||
| Nozha Hydrodrome | 423.5 | Saad, 1981 | |||||||
| East Africa | |||||||||
| Lake Nakuru, Kenya | <1.0 | Greichus et al., 1978b | |||||||
| Lake Nyumba ya Mungu, Tanzania | 4 (3–6) | 1 (ND-4) | 131 (ND-251) (Tanzadrin) | Paasivirta et al., 1988 | |||||
| Lakes, Uganda | 10 (2–39) | Sserunjoji, 1974, 1976 | |||||||
| West and Central Africa | |||||||||
| River Ogunpa, Ibadan, Nigeria | 0.9 (ND-1.8) | 0.7 (ND-2) | 0.5 (ND-1.2) | ND | ND | ND | Sunday, 1990 | ||
| River Ona, Ibadan, Nigeria | 0.3 (ND-0.5) | 0.5 (ND-0.9) | ND | ND | ND | ND | Sunday, 1990 | ||
| River Oniyere, Nigeria | 2.0 (ND-6) | 0.1 (ND-0.4) | 0.9 (ND-2.0) | ND | ND | ND | Sunday, 1990 | ||
| Lekki Lagoon, Nigeria | 4560 (190–8460) | 18.6 (ND-116) | 0.4 (ND-3.3) | 1.1 (0.11–4.9) | 64 (ND-1845) | 56 (ND-347) | 30 (7–1155) | Ojo, 1991 | |
| Ebrie Lagoon, Côte d'Ivoire | 2.3 (0.5–19) | Marchand and Martin, 1985 | |||||||
| Ebrie Lagoon, Côte d'Ivoire | 17.8 (ND-125.8) | 3.2 (0.01.13.4) | 3.0 (0.07–19.8) | 0.9 (ND-6.8) | 15.7 (0.07–62.1) | Kaba, 1991 | |||
| Southern Africa | |||||||||
| Lake Mcllwaine, Zimbabwe | 5.0 (ND-16) * | 16 (2–42) * | 1.0 (ND-12) * | Mhlanga and Madziva, 1990 | |||||
| Lake Mcllwaine, Zimbabwe | 4 | Greichus et al., 1978a | |||||||
| Hartbeesspoort Dam, RSA | 2 | Greichus et al., 1977 | |||||||
| Voëlvlei Dam, RSA | <1 | Greichus et al., 1977 | |||||||
| COASTAL WATERS | |||||||||
| North Africa, Egypt | |||||||||
| Abu-Kir Bay | 0.09 | 0.05 | Tayel, 1981 | ||||||
*) ng/g wet weight
ND = Not detected
