Organochlorine pesticide concentrations in sediment and amphibian tissue in playa wetlands in the Southern High Plains, USA

Louise S. Venne; Todd A. Anderson; Baohong Zhang; Loren M. Smith; Scott T. McMurry

doi:10.1007/s00128-008-9457-y

Organochlorine pesticide concentrations in sediment and amphibian tissue in playa wetlands in the Southern High Plains, USA

Louise S. Venne, Todd A. Anderson, Baohong Zhang, Loren M. Smith, Scott T. McMurry

Environmental Toxicology

Research output: Contribution to journal › Article

14 Scopus citations

Abstract

Playa wetlands are critical habitat for wildlife in the Southern High Plains (SHP), a region dominated by agriculture. Little information on pesticide levels exists for playas, and thus we measured organochlorine pesticide concentrations in sediment and amphibians collected from playas in cropland and grassland watersheds. Heptachlor, α- and β-BHC, γ-chlordane, and dieldrin were detected in sediment and/or tissue samples, typically at or below 1 ng/g, dry weight. However, mean DDT and DDE reached 19.7 and 4.1 ng/g in sediments and 6.3 and 2.4 ng/g in tissues, respectively. Land use did not influence pesticide levels in sediment or amphibians.

Original language	English
Pages (from-to)	497-501
Number of pages	5
Journal	Bulletin of Environmental Contamination and Toxicology
Volume	80
Issue number	6
DOIs	https://doi.org/10.1007/s00128-008-9457-y
State	Published - Jun 2008

Keywords

Bufo cognatus
Great plains toad
Spadefoot toad
Spea spp.

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10.1007/s00128-008-9457-y

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Venne, L. S., Anderson, T. A., Zhang, B., Smith, L. M., & McMurry, S. T. (2008). Organochlorine pesticide concentrations in sediment and amphibian tissue in playa wetlands in the Southern High Plains, USA. Bulletin of Environmental Contamination and Toxicology, 80(6), 497-501. https://doi.org/10.1007/s00128-008-9457-y

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abstract = "Playa wetlands are critical habitat for wildlife in the Southern High Plains (SHP), a region dominated by agriculture. Little information on pesticide levels exists for playas, and thus we measured organochlorine pesticide concentrations in sediment and amphibians collected from playas in cropland and grassland watersheds. Heptachlor, α- and β-BHC, γ-chlordane, and dieldrin were detected in sediment and/or tissue samples, typically at or below 1 ng/g, dry weight. However, mean DDT and DDE reached 19.7 and 4.1 ng/g in sediments and 6.3 and 2.4 ng/g in tissues, respectively. Land use did not influence pesticide levels in sediment or amphibians.",

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