The Influence of Food Ration on Sediment Toxicity in Neanthes Arenaceodentata (Annelida: Polychaeta)

Bridges, Todd S.; Farrar, J. Daniel; Duke, B. Maurice

doi:10.1897/1551-5028(1997)016<1659:tiofro>2.3.co;2

Cited by 16 publications

(31 citation statements)

References 38 publications

(67 reference statements)

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“…It has been used in multiple field studies and individual chemical exposures to spiked sediments (Dillon et al 1993; Green et al 1999; Lotufo et al 2000; Lotufo, Farrar, Inouye et al 2001; Moore et al 2003; Kennedy et al 2004, 2009). The N. arenaceodentata 28‐d test has also been the subject of considerable refinement efforts considering animal age, test duration and food ration (Bridges and Farrar 1997; Bridges et al 1997). For the methods comparison study using California sediments, the N. arenaceodentata test was the second most sensitive test (Figure 3) and more sensitive than the survival test with E. estuarius .…”

Section: Resultsmentioning

confidence: 99%

Selection of methods for assessing sediment toxicity in California bays and estuaries

Greenstein

Bay

2011

Integr Envir Assess & Manag

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Toxicity tests are often used in sediment assessment programs. However, the choice of methods has been largely limited to acute tests. Where sublethal methods have been used, there has been little consistency among programs in the types of the sublethal tests used. The goal of this study was to develop a method for choosing a suite of acute and sublethal tests for use in a California statewide assessment program, and to develop a set of method-specific thresholds for classifying the degree of toxicity within a multiple line of evidence framework consisting of sediment chemistry, benthic community structure, and sediment toxicity. A group of candidate methods was evaluated using feasibility and performance criteria. Toxicity thresholds were calculated based on test variability and sensitivity. As a result of the evaluation, 3 acute toxicity methods using amphipods (Eohaustorius estuarius, Rhepoxynius abronius, and Leptocheirus plumulosus), and 2 sublethal methods using a polychaete and mussel embryos (Neanthes arenaceodentata growth and Mytilus galloprovincialis embryo development at the sediment-water interface) were selected for recommendation. Thresholds for toxicity categories corresponding to Nontoxic, Low Toxicity, Moderate Toxicity, and High Toxicity were developed for each test method. Although these toxicity categories and thresholds provide a consistent framework for the interpretation of test results among different methods, additional research is needed to determine their effectiveness for predicting impacts to benthic communities.

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Section: Resultsmentioning

confidence: 99%

Selection of methods for assessing sediment toxicity in California bays and estuaries

Greenstein

Bay

2011

Integr Envir Assess & Manag

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“…However, others (Anderson et al, 1998;Bridges et al, 1997;Green et al, 1999) have reported reductions in N. arenaceodentata endpoints, more often expressed for growth than survival, in exposures to contaminated sediments. The 20-d method is documented in a routine testing program (DMMP).…”

Section: Discussionmentioning

confidence: 99%

“…3). Bridges et al (1997) demonstrated that relatively large amounts of supplemental food can reduce the toxicity of test sediments. Also, the 20-d methods use five worms per test chamber (compared to one per chamber in the 28-d method), which may inherently produce greater growth variability because of dominant worm interactions within replicates (Anderson et al, 1998;Bridges et al, 1997).…”

Section: Discussionmentioning

confidence: 99%

“…Also, the addition of supplemental food to the sediment matrix in chronic toxicity test methods for marine or estuarine sediments may reduce chemical bioavailability (McGee et al, 2004) relative to organisms in acute tests that receive no supplemental food (Lotufo et al, 2001). Such differences do not exist between acute and chronic test methods for freshwater sediments, as both employ feeding rations and water exchanges (US EPA, 2000;McGee and Spencer, 2001;Bridges et al, 1997).…”

Section: Discussionmentioning

confidence: 99%

“…The A. abdita and L. plumulosus tests were conducted according to standard guidance (US EPA, 1994) while the A. bahia sediment test followed Appendix E of the Inland Testing Manual (US EPA/ACE, 1998), since no US EPA or ASTM sediment testing methods were available. The chronic L. plumulosus survival, growth, and reproduction test followed US EPA/US ACE (2001) while the three chronic N. arenaceodentata followed various methods (ASTM, 2000;Johns et al, 1990;Bridges et al, 1997). A. abdita was field-collected from the Blackwater River at Sea Brook, NH, USA (Aquatic Research Organisms, Hampton, NH) for the preliminary comparison or from Atlantic Highlands, NJ, USA (Aqua Survey, Inc.) for the interlaboratory comparison.…”

Section: Sediment Toxicity Testsmentioning

confidence: 99%

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A comparison of acute and chronic toxicity methods for marine sediments

Kennedy

Steevens

Lotufo

et al. 2009

Marine Environmental Research

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Sediment toxicity tests are valuable tools for assessing the potential effects of contaminated sediments in dredged material evaluations because they inherently address complexity (e.g., unknown contaminants, mixtures, bioavailability). Although there is a need to understand the chronic and sublethal impacts of contaminants, it is common to conduct only short-term lethality tests in evaluations of marine sediments. Chronic toxicity methods for marine sediments have been developed but the efficacy of these methods is less documented. In this evaluation of marine sediments collected from the New York/New Jersey (NY/NJ) Harbor, three 10-d acute toxicity test methods (Ampelisca abdita, Leptocheirus plumulosus, Americamysis bahia) and three chronic and sublethal test methods (28-d L. plumulosus, 20- and 28-d Neanthes arenaceodentata) were applied by three testing laboratories. Although the N. arenaceodentata and A. bahia tests did not indicate significant toxicity for the sediments tested in this study, these methods have been reported useful in evaluating other sediments. The 10-d A. abdita, 10-d L. plumulosus and 28-d L. plumulosus tests were comparable between laboratories, indicating 29-43%, 29%, and 43-71% of the tested sediments as potentially toxic. The 28-d L. plumulosus method was the only chronic toxicity test that responded to the test sediments in this study. The 28-d L. plumulosus endpoint magnitudes were related to sediment chemistry and the sublethal endpoints were reduced as much or more than acute lethality endpoints. However, intra-treatment sublethal endpoint variability was greater, compromising detection of statistical significance. In this study, the chronic L. plumulosus test method was less consistent among laboratories relative to acute test methods, identifying potential for toxicity in a similar number (or slightly more) NY/NJ Harbor sediments.

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The influence of worm age, duration of exposure and endpoint selection on bioassay sensitivity for Neanthes arenaceodentata (Annelida: Polychaeta)

Bridges

Farrar²

1997

Enviro Toxic and Chemistry

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The influence of worm age, duration of exposure, and endpoint selection on bioassay sensitivity were evaluated for Neanthes arenaceodentata. Worms were exposed to contaminated sediment collected from Black Rock Harbor (BRH) near Bridgeport, Connecticut, USA. This sediment was diluted with clean control sediment to result in five experimental treatments: 0, 25, 50, 75, and 100% BRH. Three exposure scenarios were employed: (1) a 4‐week exposure beginning with newly emerged juveniles (EJ–4w), (2) a 7‐week exposure beginning with newly emerged juveniles (EJ–7w), and (3) a 4‐week exposure beginning with 3‐week‐old juveniles (3WO–4w). Six measures of worm size were recorded at the conclusion of each exposure to evaluate differences among measurement endpoints. Survival was significantly reduced at the 25% BRH level for the EJ–7w scenario and at the 100% BRH level for the EJ–4w and 3WO–4w scenarios. Growth was significantly reduced at the 25% BRH level in each exposure scenario. Estimates based on the calculated minimum detectable difference indicated that considerably lower concentrations of BRH (6–10%) should be distinguishable by measuring effects on Neanthes growth. Worm size measured in terms of projected area, dry weight, and ash‐free dry weight provided the most sensitive measures of effects. Increasing the length of exposure from 4 to 7 weeks and initiating exposures with emergent juveniles rather than 3‐week‐old worms increased the sensitivity of the bioassay. The results of this study demonstrate that N. arenaceodentata is sensitive to the presence of sediment‐associated contaminants and that test animal age, duration of exposure, and choice of endpoint can have a large effect on the magnitude of the toxic response observed.

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The Influence of Food Ration on Sediment Toxicity in Neanthes Arenaceodentata (Annelida: Polychaeta)

Cited by 16 publications

References 38 publications

Selection of methods for assessing sediment toxicity in California bays and estuaries

Selection of methods for assessing sediment toxicity in California bays and estuaries

A comparison of acute and chronic toxicity methods for marine sediments

The influence of worm age, duration of exposure and endpoint selection on bioassay sensitivity for Neanthes arenaceodentata (Annelida: Polychaeta)

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