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Titolo:
ASSESSING CONTAMINATION IN GREAT-LAKES SEDIMENTS USING BENTHIC INVERTEBRATE COMMUNITIES AND THE SEDIMENT QUALITY TRIAD APPROACH
Autore:
CANFIELD TJ; DWYER FJ; FAIRCHILD JF; HAVERLAND PS; INGERSOLL CG; KEMBLE NE; MOUNT DR; LAPOINT TW; BURTON GA; SWIFT MC;
Indirizzi:
NATL BIOTECHNOL CTR,MIDWEST SCI CTR,4200 NEW HAVEN RD COLUMBIA MO 65201 US EPA,MIDCONTINENT ECOL DIV DULUTH DULUTH MN 55804 CLEMSON UNIV PENDLETON SC 29670 WRIGHT STATE UNIV,INST ENVIRONM QUAL DAYTON OH 45435 UNIV MINNESOTA,MONTICELLO ECOL RES STN MONTICELLO MN 55362
Titolo Testata:
Journal of Great Lakes research
fascicolo: 3, volume: 22, anno: 1996,
pagine: 565 - 583
SICI:
0380-1330(1996)22:3<565:ACIGSU>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Soggetto:
CLARK-FORK RIVER; LARVAE DIPTERA; CHIRONOMID LARVAE; HEAVY-METALS; BIOTIC INDEX; DEFORMITIES; POLLUTION; INSECT; ZOOPLANKTON; INDICATORS;
Keywords:
OLIGOCHAETA; CHIRONOMIDAE; GREAT LAKES; SEDIMENT QUALITY TRIAD; SEDIMENT CONTAMINANTS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
68
Recensione:
Indirizzi per estratti:
Citazione:
T.J. Canfield et al., "ASSESSING CONTAMINATION IN GREAT-LAKES SEDIMENTS USING BENTHIC INVERTEBRATE COMMUNITIES AND THE SEDIMENT QUALITY TRIAD APPROACH", Journal of Great Lakes research, 22(3), 1996, pp. 565-583

Abstract

Sediments in many Great Lakes harbors and tributary rivers are contaminated. As part of the USEPA's Assessment and Remediation of Contaminated Sediment (ARCS) program, a number of studies were conducted to determine the nature and extent of sediment contamination in Great Lakes Areas of Concern (AOC). This paper describes the composition of benthic invertebrate communities in contaminated sediments and is one in a series of papers describing studies conducted to evaluate sediment toxicity from three AOC's (Buffalo River, NY; Indiana Harbor, IN; Saginaw River, MI), as part of the ARCS Program. Oligochaeta (worms) and Chironomidae (midge) comprised over 90% of the benthic invertebrate numbersin samples collected from depositional areas. Worms and midge consisted of taxa identified as primarily contaminant tolerant organisms. Structural deformities of mouthparts in midge larvae were pronounced in many of the samples. Goad concurrence was evident between measures of laboratory toxicity, sediment contaminant concentration, and benthic invertebrate community composition in extremely contaminated samples. However in moderately contaminated samples, less concordance was observed between the benthos community composition and either laboratory toxicity test results or sediment contaminant concentration. Laboratory sediment toxicity tests may better identify chemical contamination in sediments than many commonly used measures of benthic invertebrate community composition. Benthic measures may also reflect other factors suchas habitat alteration. Evaluation of non-contaminant factors are needed to better interpret the response of benthic invertebrates to sediment contamination.

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Documento generato il 01/10/20 alle ore 01:27:08