Use of exposure-response bioassays on arabica punctulata for the determination of ecological risk. (Reannouncement with new availability information). Professional paper
Technical Report
·
OSTI ID:200137
Two sea urchin exposure-response bioassays were conducted to develop a marine ecological risk assessment (ERA) model and to determine the effects of hazardous waste disposal at the Naval Construction Battalion Center (NCBC), Davisville,RI on the adjacent Allen Harbor and Narragansett Bay. Arbacia gametes and embryos were exposed for 20 min and 48 hr to serial dilutions of landfill-associated sediment extract and seep water samples to evaluate the effects of this disposal site on marine organisms. Successful fertilizations, normal and abnormal embryonic development, and 48 hr mortality were examined. Positive exposure-related responses were observed for both seep samples and sediment extracts. These models will be used to define current ecological risks to organisms representative of those in Allen Harbor.... Marine chemistry, Bentic flux.
- Research Organization:
- Naval Command, Control and Ocean Surveillance Center, San Diego, CA (United States)
- OSTI ID:
- 200137
- Report Number(s):
- AD-A--265645/2/XAB
- Country of Publication:
- United States
- Language:
- English
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