Toxicity of Fuels and Dispersants to Antarctic Marine Nemerteans
Updated 11y ago
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Description
Bioassay results show the response of the Antarctic nemertean Antarctonemertes unilineata to contamination from Special Antarctic Blend diesel, Marine Gas Oil, and Intermediate Fuel Oil 180, chemically dispersed with Ardrox 6120, Slickgone LTSW, and Slickgone NS. Experiments were conducted at Casey station and the Antarctic Division's Marine Research Facility at 0°C, with sublethal and lethal endpoints assessed over 16 to 24 days. The dataset includes measurements of total hydrocarbon content from water samples taken before and after four-day water changes.
Use Cases
Modeling dose-response relationships for fuel and dispersant toxicity based on the described bioassay concentrations.
Analyzing hydrocarbon loss profiles over time based on the total hydrocarbon content (THC) measurements.
Comparing the sublethal and lethal effects of different fuel-dispersant combinations mentioned in the description.
Assessing the impact of repeated pulse exposure to contaminants, as simulated by the four-day replenishment protocol.
Strengths
Experiments were conducted under controlled, ecologically relevant conditions at 0°C with a specific photoperiod.
Multiple treatment concentrations (e.g., 100%, 50%, 20%, 10% for WAF) and observation time points (up to 10 over 24 days) are described.
Hydrocarbon concentrations were tracked via total hydrocarbon content (THC) sampling before and after each water change.
Limitations
Last updated 2015-03-02 23:59:59.999000; freshness should be verified.
Column-level documentation is absent; field semantics must be inferred after download.
Row count is unknown, which may limit suitability assessment.
Provenance
Source
AU_AADC
Collection Method
Bioassays conducted in laboratory settings at Casey station and the Antarctic Division's Marine Research Facility.
Time Range
Experiments ran for 16 to 24 days.
Freshness
Last updated 2015-03-02 23:59:59.999000
Geography
Antarctica (Casey station and Antarctic Division labs).
License is unknown; terms of use should be verified before download.