The Estuarine Clam Rangia cuneata as a Biomonitor of Dioxins and Furans in the Neches River, Taylor Bayou, and Fence Lake, Texas

Harrel, Richard C.; McConnell, Marc A.

doi:10.2307/1352637

Cited by 9 publications

(6 citation statements)

References 13 publications

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“…In general, the highest concentrations of bioaccumulated chlorinated compounds occur immediately adjacent to pulp mill effluent inputs (Wrona et al, 1997). Current results of total TCDD in mussels (with concentrations less than 5 ppt) were lower than those obtained by Hayton et al (1990) (13 ppt), Harrel and McConnell (1995) (18 ppt), and by Miyata et al (1987) (7.6 ppt). The most dangerous furan isomer, 2,3,7,8 TCDF (Harrel and McConnell, 1995) and total TCDF were detected in mussels collected at all sampling sites (Fig.…”

Section: Organo-chlorinated Compoundscontrasting

confidence: 67%

“…The same did not happen to the dioxins, possibly due to the fact that they take zzz 505 longer to be eliminated. Harrel and McConnell (1995) emphasize that the isomer 2,3,7,8 TCDF is ten times less toxic than the 2,3,7,8 TCDD that has a fish tissue risk level of 7 ppt. Therefore, the toxic concentration of 2,3,7,8 TCDF would be 70 ppt.…”

Section: Organo-chlorinated Compoundsmentioning

confidence: 93%

“…Among the several dioxins, 2,3,7,8 TCDD is the most toxic and the one that takes the longest time to be excreted by fish (Broman et al, 1992;Folke and Brodersen, 1996;Oanh et al, 1997). Harrel and McConnell (1995) collected mussels 0.8 km below a paper industry effluent (two years subsequent to the initiation of controlling actions taken in order to diminish the release of organo-chlorinated compounds) on the Neches River (Texas, USA). These authors found 2,3,7,8 TCDD concentrations of 1.4 ppt; the United States Environmental Protection Agency's fish tissue risk level is 7 ppt (Harrel and Mcconnell, 1995).…”

Section: Organo-chlorinated Compoundsmentioning

confidence: 99%

“…Harrel and McConnell (1995) collected mussels 0.8 km below a paper industry effluent (two years subsequent to the initiation of controlling actions taken in order to diminish the release of organo-chlorinated compounds) on the Neches River (Texas, USA). These authors found 2,3,7,8 TCDD concentrations of 1.4 ppt; the United States Environmental Protection Agency's fish tissue risk level is 7 ppt (Harrel and Mcconnell, 1995). In Canada, 20 pg g-1 (ppt) WW of 2,3,7,8 TCDD in fish is a limit for consumption by humans (Oanh et al, 1995).…”

Section: Organo-chlorinated Compoundsmentioning

confidence: 99%

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Biomonitoring of heavy metals and organo-chlorinated compounds in a pulp mill effluent using introduced mussels

Furley¹,

Filho²

2000

Aquatic Ecosystem Health &Amp; Management

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A bleached kraft pulp mill discharges a vast array of substances and special attention should be given to heavy metals and organo-chlorinated compounds. They can persist in nature for a long period of time, are toxic to the wildlife community in certain concentrations, and can be incorporated into the food chain. The aim of this work is to monitor the quality of a bleached kraft pulp mill effluent using filter-feeding molluscs. Transplanted mussels were collected seasonally and analyzed for copper, zinc, cadmium, lead, manganese, iron, dioxins, furans and pentachlorophenol. All of the concentrations in mussels were low even when the mill operated different process types and production, and also during maintenance shut-downs.

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Section: Organo-chlorinated Compoundscontrasting

confidence: 67%

Section: Organo-chlorinated Compoundsmentioning

confidence: 93%

Section: Organo-chlorinated Compoundsmentioning

confidence: 99%

Section: Organo-chlorinated Compoundsmentioning

confidence: 99%

See 2 more Smart Citations

Biomonitoring of heavy metals and organo-chlorinated compounds in a pulp mill effluent using introduced mussels

Furley¹,

Filho²

2000

Aquatic Ecosystem Health &Amp; Management

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“…Rangia cuneata are widely distributed in oligohaline habitats of Gulf of Mexico estuaries, and are known to be nonselective suspension feeders (Olsen 1976, Harrel and McConnell 1995) that depend on the presence of organic matter for larval settlement and survival (Sundberg and Kennedy 1993). R. cuneata gutcontentsanalysesconfirmed that these clams feed on detritus and/or seston of the benthic boundary layer, rather than on phytoplankton directly.…”

mentioning

confidence: 99%

Benthic-Pelagic Coupling in Northern Gulf of Mexico Estuaries: Do Benthos Feed Directly on Phytoplankton?

Gaston¹,

Cleveland

Brown³

et al. 1997

GCR

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Few of the dominant benthic taxa of the northern Gulf of Mexico feed directly on phytoplankton.Rather, most of them feed on near-bottom seston and detritus. This is in contrast to models for Chesapeake Bay and San Francisco Bay. We found that detritivores represented over 80% of the macrobenthic organisms and over 90% of the biomass in Gulf of Mexico estuaries. The paucity of benthos that consumed phytoplankton led us to hypothesize that macrobenthos in Gulf of Mexico estuaries had less effect on plankton communities than was documented in U.S. east coast and west coast estuaries, where benthic communities consumed much of the watercolumn production. We provided as evidence gutcontents analyses of dominant taxa, the feeding morphology of suspension feeders (especially clams), and the lack o f vertical mixing or strong turbulent flow that is necessary for benthos to remove substantial portions of the phytoplankton.

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Active Biomonitoring (ABM) by Translocation of Bivalve Molluscs

et al. 2004

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The advantages of ABM for biomonitoring purposes are: Experiments can be performed for a known exposure period . All organisms have a similar life history at the start of the exposure. It is easy to compare different sites , even if the organisms are not normally present at the exposure locations. A comparison between transplanted and indigenous organisms can indicate to what extent the indigenous organisms are adapted to the location or can give information about uptake kinetics of pollutants. Indigenous species can be “genetically protected,” and thus the use of transplanted organisms can circumvent this adaptation processes, making the comparison among different sites more precise and the use of nonadapted species more sensitive. Compared with laboratory‐bred organisms, transplanted organisms are better acclimated to changing environmental conditions, and thus the impact of field exposure through, e.g., climatological shock, will be less pronounced.

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The Estuarine Clam Rangia cuneata as a Biomonitor of Dioxins and Furans in the Neches River, Taylor Bayou, and Fence Lake, Texas

Cited by 9 publications

References 13 publications

Biomonitoring of heavy metals and organo-chlorinated compounds in a pulp mill effluent using introduced mussels

Biomonitoring of heavy metals and organo-chlorinated compounds in a pulp mill effluent using introduced mussels

Benthic-Pelagic Coupling in Northern Gulf of Mexico Estuaries: Do Benthos Feed Directly on Phytoplankton?

Active Biomonitoring (ABM) by Translocation of Bivalve Molluscs

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