Toxicokinetics and toxicity of PCBs in turtles

Snapping turtles have been used by the EC since the early 1980s to determine spatial and temporal trends in PCB (and other organochlorine) concentrations, and have furthermore been used extensively for assessing AOCs. There is some concern, however, that their longevity may pose problems in interpreting body burdens. Given that Chelydra can live for over 50 years, individuals would be exposed to temporally varying levels of PCBs over their lifetime. Assessment of their body burdens, either through eggs, plasma, or other tissues, will indicate the temporal integration of PCBs over their lifetime, with the caveat that the proportion of PCBs from any given time period to the current burden will decline over time. The objective is to estimate depuration rates of PCBs in turtles to determine how much contribution past exposures have on the current tissue burden. In addition, there is very little information on the toxicity of PCBs to turtles. This project will assess toxicity, using genetic biomarkers (e.g. P450, oxidative stress, heat shock proteins, thyroid, and others), of PCB exposure to snapping turtles exposed through diet.

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Metadata Record Information

File Identifier
c3e5cbeb-fb65-4c37-8f42-cf30df7904c6 XML
Date Stamp
2022-01-11T14:25:29
Metadata language

eng; CAN
Character set
UTF8
Hierarchy Level
Series
Author
  Government of Canada; Environment and Climate Change Canada - Environment and Climate Change Canada ( Public inquiries centre )
Fontaine Building 12th floor, 200 Sacré-Coeur Blvd , Gatineau , Quebec , K1A 0H3 ,
1-800-668-6767
http://ec.gc.ca
 

Data identification

Date (Creation)
2016-09-27
Date (Publication)
2016-10-03
Status
On going
Metadata language

eng; CAN
Character set
UTF8
Topic category
  • Biota
Maintenance and Update Frequency
As needed
Spatial representation type
Vector
Author
  Government of Canada; Environment and Climate Change Canada - Shane deSolla ( Ecotoxicologist )
Canada
Custodian
  Government of Canada; Environment and Climate Change Canada - Pamela Martin ( Chief, Wildlife Toxicology Research )
Canada

Keywords

Theme

  • PCBs, snapping turtle, toxicokinetics

Government of Canada Core Subject Thesaurus

  • Toxicology

ECCC Information Category EN

  • Nature and Biodiversity - Contaminants

Geography

  • Ontario (ON)

Business Functions

  • Assess Toxicity, Manage and Monitor for Environmental Presence of Hazardous Substances and Waste

  • Assess Toxicity of Substance

external.theme.EC_Branch

  • Science and Technology Branch

external.theme.EC_Directorate

  • Wildlife and Landscape Science

external.theme.GC_Security_Level

  • Unclassified
 
Use Limitation

Open Government Licence - Canada ( http://open.canada.ca/en/open-government-licence-canada )

Access Constraints
Copyright
Use Constraints
Copyright
Begin Date
2016-09-27

Extent

N
S
E
W
thumbnail


 
 

Ref. system Reference Systems

Reference system identifier
EPSG / EPSG:4326 /
 

Distribution

Distribution Formats

Distribution format
  • CSV ( unknown )

 
Distributor
  Government of Canada; Environment and Climate Change Canada - Environment and Climate Change Canada ( Public inquiries centre )
Fontaine Building 12th floor, 200 Sacré-Coeur Blvd , Gatineau , Quebec , K1A 0H3 ,
1-800-668-6767
http://ec.gc.ca
 
 

Overviews

N
S
E
W
thumbnail


Keywords

PCBs, snapping turtle, toxicokinetics
Business Functions
Assess Toxicity of Substance Assess Toxicity, Manage and Monitor for Environmental Presence of Hazardous Substances and Waste
ECCC Information Category EN
Nature and Biodiversity - Contaminants
Government of Canada Core Subject Thesaurus
Toxicology
external.theme.EC_Branch
Science and Technology Branch
external.theme.EC_Directorate
Wildlife and Landscape Science
external.theme.GC_Security_Level
Unclassified

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