NDLI: Distribution of Organochlorine Pesticides in Intertidal and Subtidal Sediments in Coastal Wetland with High Tidal Ranges

Content Provider	Springer Nature Link
Author	Kim, Seung Kyu Kang, Dong Jin Kim, Kyung Ryul Lee, Dong Soo
Copyright Year	2009
Abstract	The present study aimed to understand the distribution characteristics of organochlorine pesticides (OCPs) in wetlands experiencing high tides and the manner in which these characteristics are affected by various factors, in particular, two distinct physical and topographical features (i.e., sub- and intertidal zones). For all OCPs except HCHs, the distribution levels were higher in the intertidal zone than in the subtidal zone. The spatial heterogeneity in the isomer compositional pattern, distribution levels, and correlation among individual OCPs were pronounced in the intertidal zone. Spatial homogeneity was observed within the subtidal zone, indicating that the effect of flushing and mixing was strong enough to diminish the potential local concentration peaks and unique composition pattern. It was evident that input paths and their strength impact the horizontal and transversal distribution of OCPs. The OCP group-specific discrepancy in spatial distribution suggested that (1) chlordane and chlorobenzenes were from a single dominant innermost terrestrial input path, (2) DDTs were from multiple terrestrial input paths, and (3) HCH was likely to be from the outer sea. The observations in this study imply that (1) benthic organisms could experience greater exposure in the intertidal basin than in the subtidal zone and (2) management measures of OCPs should be set after considering the tidal effect and the OCP-specific input paths.
Starting Page	514
Ending Page	522
Page Count	9
File Format	PDF
ISSN	00904341
Journal	Archives of Environmental Contamination and Toxicology
Volume Number	58
Issue Number	3
e-ISSN	14320703
Language	English
Publisher	Springer-Verlag
Publisher Date	2009-12-05
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Environmental Monitoring/Analysis Soil Science & Conservation Environmental Chemistry Environmental Health Pollution Ecotoxicology
Content Type	Text
Resource Type	Article
Subject	Pollution Health, Toxicology and Mutagenesis Medicine Toxicology

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