scholarly journals Revision of sediment quality triad indicators in Puget Sound (Washington, USA): I. a Sediment Chemistry Index and targets for mixtures of toxicants

2012 ◽  
Vol 9 (1) ◽  
pp. 31-49 ◽  
Author(s):  
Edward R Long ◽  
Margaret Dutch ◽  
Valerie Partridge ◽  
Sandra Weakland ◽  
Kathy Welch
Keyword(s):  
Sediment Quality ◽  
Puget Sound ◽  
Sediment Chemistry ◽  
Sediment Quality Triad

Identifying cause in sediment assessments: bioavailability and the Sediment Quality Triad

2001 ◽  
Vol 58 (5) ◽  
pp. 950-960 ◽  
Author(s):  
U Borgmann ◽  
W P Norwood ◽  
T B Reynoldson ◽  
F Rosa
Keyword(s):  
Benthic Invertebrates ◽  
Solid Phase ◽  
Biological Effects ◽  
Sediment Toxicity ◽  
Sediment Quality ◽  
Sediment Chemistry ◽  
Metal Bioavailability ◽  
Sediment Quality Triad ◽  
Overlying Water ◽  
Biological Impacts

Application of the Sediment Quality Triad approach to non-pH-stressed Sudbury area lakes clearly demonstrated increased metal (Cd, Co, Cu, and Ni) contamination, decreased abundances of some benthic invertebrates (amphipods, pisidiid clams, and tanytarsiid midges), and severe sediment toxicity to amphipods and mayflies. However, the bioavailability of metals and the cause of biological effects cannot be identified from these data. Bioaccumulation measurements, however, clearly demonstrated increased Cd, Co, and Ni bioavailability to Hyalella. Copper concentrations in Hyalella were not elevated, in spite of much higher sediment Cu concentrations. Nickel was the only metal accumulated in sufficient amounts to cause toxicity. Toxicity in Hyalella caged above the sediments was equivalent to that of animals exposed directly in sediment, demonstrating that effects were due to dissolved metal and not metals in the solid phase. Copper concentrations in overlying water were much lower than Ni concentrations and insufficient to account for toxicity. Including bioaccumulation data with traditional measurements of sediment chemistry, benthic community composition, and sediment toxicity allows quantification of metal bioavailability and identification of the cause of toxicity. This approach results in a much more complete assessment of the biological impacts of metals in sediments.

Spatial Extent Of Degraded Sediment Quality In Puget Sound (Washington State, U.S.A.) Based Upon Measures Of The Sediment Quality Triad

2005 ◽  
Vol 111 (1-3) ◽  
pp. 173-222 ◽  
Author(s):  
Edward R. Long ◽  
Margaret Dutch ◽  
Sandra Aasen ◽  
Kathy Welch ◽  
M. Jawed Hameedi
Keyword(s):  
Sediment Quality ◽  
Puget Sound ◽  
Washington State ◽  
Spatial Extent ◽  
Sediment Quality Triad

M-Triad: An improvement of the sediment quality triad

2021 ◽  
Vol 770 ◽  
pp. 145245
Author(s):  
Marina Ferrel Fonseca ◽  
Fabio Cop Ferreira ◽  
Rodrigo Brasil Choueri ◽  
Gustavo Fonseca
Keyword(s):  
Sediment Quality ◽  
Sediment Quality Triad

Assessing Contamination in Great Lakes Sediments Using Benthic Invertebrate Communities and the Sediment Quality Triad Approach

1996 ◽  
Vol 22 (3) ◽  
pp. 565-583 ◽  
Author(s):  
Timothy J. Canfield ◽  
F. James Dwyer ◽  
James F. Fairchild ◽  
Pamela S. Haverland ◽  
Christopher G. Ingersoll ◽  
...  
Keyword(s):  
Great Lakes ◽  
Sediment Quality ◽  
Benthic Invertebrate ◽  
Sediment Quality Triad ◽  
Invertebrate Communities ◽  
Benthic Invertebrate Communities
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