2023 Early Hearing Detection & Intervention Conference

March 5-7, 2023 • Cincinnati, OH

6/05/2017 | 2:45 PM - 3:00 PM | AN OVERVIEW OF THE SENSITIVITY OF FRESHWATER MUSSELS TO AQUATIC CONTAMINANTS | 305A

AN OVERVIEW OF THE SENSITIVITY OF FRESHWATER MUSSELS TO AQUATIC CONTAMINANTS

The study of the effects of environmental pollutants on freshwater mollusks has advanced substantially over the past 25 years. Progress has been made on multiple topics including contaminant monitoring, in situ studies, surveys, laboratory toxicity testing, and the mechanistic understanding of physiological and biochemical effects of pollutants. The earlier field studies were often largely descriptive and monitored accumulation of contaminants in adult mussels, while current field studies often utilize captively-propagated juvenile and sub-adult mussels to conduct specific, in-situ assessments. Concurrent with advances in field studies have been laboratory toxicity studies. Early toxicity tests were often short-term exposures (i.e., 1-4 d) with glochidia or in vitro cultured juveniles at few laboratories. Today, the short-term and longer-term (e.g., 28 d) early life stage tests have been standardized and are routinely performed by many laboratories, with recent advances in in vitro propagation and partial lifecycle testing expanding the testing framework. This presentation will summarize the recent advances in mollusk toxicology, as well as highlight future directions for the science and its application to conservation.

C05 Unionid Ecology
C13 Ecotoxicology
S06 Advances in research to conserve and restore native freshwater mollusks

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Presenters/Authors

Greg Cope (), North Carolina State University, greg_cope@ncsu.edu;