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- Title
Organochlorine Pesticides (OCPs) in Sediment and Fish of Two Tropical Water Bodies Under Different Land Use.
- Authors
Hinojosa-Garro, Demián; Burgos Chan, Adriana; Rendón-von Osten, Jaime
- Abstract
In this study we quantified and compared bioaccumulated OCPs in target fish species Cichlasoma urophthalmus (Mayan cichlid) and Oreochromis niloticus (Nile tilapia) and sediment in two lentic systems neighboring areas with different land use (Xnoha = agricultural/Mocu = nature reserve). Fish at both sites showed the same number of pesticide compounds (17) while in sediment were 17 and 20, respectively. ∑chlordane concentrations were significantly higher in Xnoha in both fish and sediment (1.0 and 0.17 µg/g, respectively). Here higher concentrations of o,p'DDT were found in fish than in sediments, this was similarly demonstrated in Mocu but to a lesser extent. The proportion of endosulfan sulfate was lower in Xnoha (<20 %) than in Mocu (<50 %) compared to the original product. Detected concentrations of ∑DDT and chlordane exceed international permissible limits. Results indicate that OCPs were present in both aquatic systems regardless of the differences in land use.
- Subjects
ORGANOCHLORINE compounds &; the environment; FISH behavior; EFFECT of water pollution on fishes; HEAVY metal content of sediments; MARINE sediment microbiology
- Publication
Bulletin of Environmental Contamination & Toxicology, 2016, Vol 97, Issue 1, p105
- ISSN
0007-4861
- Publication type
Article
- DOI
10.1007/s00128-016-1828-1