Pesticide Residues in Coastal Tropical Ecosystems: Distribution, fate and effects - Chapter 12 potx

... near coastal areas Pre-planting runoff, erosion non-point weed control: herbicides soil insects: insecticides Post-planting aerial drift non-point soil and stem insects: runoff, erosion insecticides Pre-emergence ... cypermethrin, oxadiazon, and ametryn, have been reported in surface water from the region (Table 12. 9). Pesticide residues reported in biota were primarily OCs, i...

Ngày tải lên: 12/08/2014, 02:23

... Dieldrin 0.2–0.5 Meier et al., 1983 Basin, Perak β-HCH 0.1–0.9 γ-HCH 0.1–0.6 Aldrin 0.1–1.8 Sediment Dieldrin 0.8–4.7 β-HCH 0.6–8.0 γ-HCH 0.4–0.8 Aldrin 0.1 Rice-field Dieldrin 6.6–2.49 fish α-Chlordane ... fish culture in pond and disused mining pools 5,754 Cockle culture in mudflats 5,041 Penaeid prawn culture in brackish water ponds 1,878 Marine finfish in floating net cages in...

Ngày tải lên: 12/08/2014, 02:23

... from Indian waters 112 5.7 OC pesticide residues in marine, estuarine, and freshwater organisms of India 114 5.8 OC pesticide and PCB residues in resident and migratory birds of India 118 5.9 OC pesticide ... Pesticide residues in marine, estuarine, and fresh waters of India 98 5.2 OC pesticide residues in plankton samples from Indian waters 100 5.3 Pestici...

Ngày tải lên: 12/08/2014, 02:23

... Ghana. PESTICIDE RESIDUES IN BIOTA AND NON BIOTIC MATRICES IN THE INLAND, COASTAL, AND MARINE ECOSYSTEMS OF GHANA OC residues in the interior of Ghana Osafo Acquaah (1997) measured lindane and endosulfan ... small landholders. Ghana’s land use includes 12 percent in arable land, 7 percent in permanent crops, 22 percent in permanent pastures and 35 percent in for...

Ngày tải lên: 12/08/2014, 02:23

... 300 mm annually in the low-lying areas in the south and southeast, to more than 1,500 mm in the mountains bordering Mozambique. Rain falls from November to March, and only about one-third of the ... lead to a build-up of pesticide residues in streams and lakes. PESTICIDE USE IN THE CONTROL OF DISEASE VECTORS Tsetse fly infestation in eastern central Africa Tsetse fly i...

Ngày tải lên: 12/08/2014, 02:23

... maize and cotton while other OCs, e.g. lindane, aldrin, and dieldrin, were used for seed dressings. DDT was last imported into Kenya in 1985, aldrin and dieldrin in 1992 (PCPB). OCs still in use in ... D., Wandiga, S.O. and Lalah, J.O. 1998. The distribution, metabolism and persistence of 14 C-DDT and 14 C-chlorpyrifos residues in sediment and fish in a model e...

Ngày tải lên: 12/08/2014, 02:23

... consumption for granular and conventional products since 1972 and 1973. With the lifting of subsidies beginning in 1974 and ending in 1979, there was a sharp decline in the consumption of pesticides. Subsequently use ... p,p - DDT, p,p´-DDE, and p,p´-DDD were most often observed in various food and environmental samples and, in some cases, lindane in sediment samples...

Ngày tải lên: 12/08/2014, 02:23

... and persistence of the pesticide N -( 2,4-dimethylphenyl)-N-methylformamidine hydrochloride in cotton fields. Huanjing Kexue or (Chinese Journal of Environmental Science) 16(1):5–7, 22 (in Chinese; English ... E.C.M. and Chan, H.N. 1998. Organochlorines in Indo-Pacific hump-backed dolphins (Sousa chinensis) and finless porpoises (Neophocaena phocaenoides) from Hong Kong. In: M...

Ngày tải lên: 12/08/2014, 02:23

... water beyond the MRLs while in crops, most pesticide residues are found in compliance with national and international standards. In agricultural soils and in inland waters, pesticide dissipation is ... some persistent and health endangering pesticides from all uses in Cuba (Table 14.3). ENVIRONMENTAL IMPACT OF PESTICIDES Behavior in soil and water Pesticide residu...

Ngày tải lên: 12/08/2014, 02:23

... credit for initiating and implementing pesticide awareness programs in the Commonwealth Caribbean during the 1970s and 1980s through printed and electronic media, seminars, and direct training of ... islands start with Trinidad and Tobago in the south and Barbados in the east, extend northwest in an arc made up of the Windward (Grenada, St Vincent and the Grenadines, S...

Ngày tải lên: 12/08/2014, 02:23