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Toxicity bioassays

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Published: 02 April 2020
Figure 5. Results of the sediment toxicity bioassays conducted in the Detroit River (DR) and Rouge River (RR) Areas of Concern during July of 1992. Survival rates (AVG ± 1 SE) of Hyalella azteca and Lumbriculus variegatus when exposed to sediments from each site. The experiment included 4 More
Journal Article
Aquatic Ecosystem Health & Management (2004) 7 (1): 147–159.
Published: 01 January 2004
... . The bioassays were all conducted according to the standard operating procedures of the National Institute for Coastal and Marine Management/RIKZ and carried out with one control sediment and three moderately contaminated dredged materials from the Netherlands. Reference toxicant tests were also performed...
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Journal Article
Aquatic Ecosystem Health & Management (2003) 6 (2): 217–228.
Published: 01 April 2003
..., , The Netherlands Munawar , M. and Munawar , I. F. 1987 . Phytoplankton bioassays for evaluation toxicity of in situ sediment contaminants . Hydrobiologia , 149 : 87 – 105 . Munawar , M. , Leppard , G. G. and Munawar , I. F. 1991 . Ecotoxicology of stressed environments...
Journal Article
Aquatic Ecosystem Health & Management (1999) 2 (4): 435–447.
Published: 01 January 1999
... in the laboratory (toxicity bioassays) and in situ (macrobenthic community structure investigations). The Sediment Quality Triad organises these three aspects of sediment quality assessment in a single approach, where each component is complementary to the others. Considering the lack of previous studies...
Journal Article
Aquatic Ecosystem Health & Management (2005) 8 (4): 475–482.
Published: 01 October 2005
...Ermelinda Prato; Francesca Biandolino In this study, the amphipod Gammarus aequicauda was evaluated as a test organism for use in sediment toxicity bioassays. Sensitivity to noncontaminant variables, to the reference toxicants and to some contaminated field sediments was analysed. Amphipods were...
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Journal Article
Aquatic Ecosystem Health & Management (1999) 2 (4): 455–464.
Published: 01 January 1999
...: a disposal site and a potential nourishment site. Particle size, total organic matter, heavy metals, polycyclic aromatic hydrocarbons and polychlorinated biphenyls were analysed. In order to assess sediment toxicity and evaluate the best destination, three bioassays were performed on two harbour and one...
Journal Article
Aquatic Ecosystem Health & Management (2020) 23 (3): 366–372.
Published: 02 July 2020
... , H. F. , Ahmed , Z. , Al-Akel , A. S. , Shamsi , M. J. K. , 1998 . Toxicity bioassay and changes in haematological parameters of Oreochromis niloticus induced by trichlorfon . Arab. Gulf. J. Sci. Res . 16 , 581 – 593 . Alkahemal-Balawi , H.F. , Ahmad , Z. , Al-Akel...
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Journal Article
Aquatic Ecosystem Health & Management (2005) 8 (2): 209–219.
Published: 01 April 2005
... worked best in the less contaminated dredging sediment. This might depend on the presence of particle aggregates, physically similar to the sandy fraction, which could concentrate high amounts of contaminants. The results of bioassays provided a positive toxic response both in the two types of dredging...
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Journal Article
Aquatic Ecosystem Health & Management (2003) 6 (4): 359–367.
Published: 01 December 2003
... in Appendix 1. A value of 1 was attributed to concentrations below the TEC; a value of 3 was given when the concentration was equal to or exceeded the PEC, otherwise a value of 2 was given. On the other hand, sediment toxicity bioassays results were coded as T (toxic) or 3 when the difference...
Journal Article
Aquatic Ecosystem Health & Management (2000) 3 (3): 347–357.
Published: 01 January 2000
... and the comparison of a recently developed long-term bacterial assay with other commonly used and standardized bioassays. Sediment samples were elutriated with water and also with dimethyl sulphoxide in order to extract organic compounds. An expected accumulation of toxicants in the sediments was checked...
Journal Article
Aquatic Ecosystem Health & Management (2007) 10 (1): 9–22.
Published: 01 March 2007
... to experimental artifacts. Levels of bioassay responses serve to categorize the toxicity of sediments even if there is no correlation with sediment chemistry results. The ecological relevance of the differences in sensitivity introduced in the sediment toxicity tests by different method characteristics...
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Journal Article
Aquatic Ecosystem Health & Management (2001) 4 (1): 61–71.
Published: 01 April 2001
... were determined. Two kinds of samples, including municipal wastewater entering the sewage treatment plants and the effluents discharged into the environment were analysed. After concentration through resins, overall toxicity was evaluated using the bioassay employing Photobacterium phosphoreum...
Journal Article
Aquatic Ecosystem Health & Management (1999) 2 (4): 391–401.
Published: 01 January 1999
... . “ Methods for microbiological and toxicological analysis of waters, wastewaters and sediments ”. In Short term root elongation toxicity bioassay (Tentative) , VIII/120 – VIII/122 . Burlington, , Canada : National Water Research Institute . Fletcher , J.S. , Muhitch , M.J. , Vann , D.R...
Journal Article
Aquatic Ecosystem Health & Management (2000) 3 (4): 485–497.
Published: 01 January 2000
... and on the fact that the responses of Crassostrea rhizophorae andC. gigas to toxicants are similar (Nascimento, unpublished ata), we have used C. rhizophorae mbryonic development to test the quality of water from Aratu Bay. The use of a short term bioassay based on the oyster embryonic development to predict...
Journal Article
Aquatic Ecosystem Health & Management (2001) 4 (4): 479–492.
Published: 01 December 2001
... monitored. Mortalities in bacterial populations and low chemical oxygen demand removal efficiencies were detected when absorbable organic halogens and pesticide concentrations were above 100 and 120 mg l -1 , respectively. Short-term bioassays (using bacteria, protozoa or algae) and enrichment toxicity...
Journal Article
Aquatic Ecosystem Health & Management (2020) 23 (2): 229–244.
Published: 02 April 2020
...Figure 5. Results of the sediment toxicity bioassays conducted in the Detroit River (DR) and Rouge River (RR) Areas of Concern during July of 1992. Survival rates (AVG ± 1 SE) of Hyalella azteca and Lumbriculus variegatus when exposed to sediments from each site. The experiment included 4...
FIGURES | View All (8)
Image
Published: 01 January 2004
Figure 1. An inter-laboratory comparison of sediment toxicity tests with control sediment and three harbour sediments conducted by four laboratories using the Corophium volutator bioassay (mean survival ± SD), the Echinocardium cordatum bioassay (mean survival and re-burial ± SD), the V More
Journal Article
Aquatic Ecosystem Health & Management (1999) 2 (4): 347–360.
Published: 01 January 1999
.... The responses obtained in duplicate bioassay test vessels showed good correlation ( r = 0.7–0.8), but toxicity to Daphnia was not correlated with toxicity to Nitocra . High sediment toxicity was not restricted to areas close to industrial sites and harbours, but was found also in open sea areas. Analysed...
Journal Article
Aquatic Ecosystem Health & Management (1999) 2 (4): 465–473.
Published: 01 January 1999
... Corophium orientale Bioassessment Sediment toxicity References Ankley , G.T. , Hoke , R.A. , Giesy , J.P. and Winger , P.V. 1989 . Evaluation of the toxicity marine sediments and dredge spoils with the Microtox® bioassay . Chemosphere , 18 ( 9/10 ): 2069 – 2075...
Journal Article
Aquatic Ecosystem Health & Management (1999) 2 (1): 9–18.
Published: 01 January 1999
... of assessed by performing bioassays using the bacteria sediment and soil (Vibrio fischeri), a rotifer (Brachionus calyciflorus) and a crustacean (Thamnocephalus platyurus) as test 2.1. I. Aquatic sites organisms. At each site, a composite sample was taken from Chronic toxicity was judged from bioassays using...