Impacts of climate change on stress responses of arctic nesting species
In a 5-year study, we have shown that feather corticosterone (CORTf) in arctic-nesting common eiders is correlated with temperature during moulting period. Birds with higher CORTf arrive at the colony later and in poorer body condition, and have reduced reproductive success and survival. We are using archived feathers from multiple museums to further examine this relationship over 100 years and across the circumpolar arctic. Feathers are being measured for CORTf, stable isotopes (C,N), and mercury to evaluate patterns over time, and relationships among stress, diet, contaminant exposure, and climatic change over the last century. This work will help us understand mechanisms linking climate and other environmental changes to impacts on host survival and reproduction.
Basic view
Metadata Record Information
- File Identifier
- 9b836cd3-00b1-4de3-b71b-f78fa4f864c3 XML
- Date Stamp
- 2021-05-12T06:01:20
- Metadata language
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eng; CAN
- Character set
- UTF8
- Hierarchy Level
- Dataset
http://ec.gc.ca
Data identification
- Date (Creation)
- 2016-09-20
- Date (Publication)
- 2016-10-20
- Status
- On going
- Metadata language
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eng; CAN
- Character set
- UTF8
- Topic category
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- Biota
- Maintenance and Update Frequency
- As needed
- Spatial representation type
- Vector
Keywords
- Theme
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Common eider, stress, energetic management, physiology, carry-over effects, moult, feather corticosterone, reproductive success, survival, Somateria mollissima, arctic, Canadian arctic, Nunavut, climate change, dietary shifts, thermoregulation, mercury, contaminants, feathers, stable isotopes, biomarkers.
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Government of Canada Core Subject Thesaurus
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Environment
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ECCC Information Category EN
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Nature and Biodiversity - Contaminants
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Business Functions
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Assess Toxicity, Manage and Monitor for Environmental Presence of Hazardous Substances and Waste
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Monitor / Assess Substance and Waste Levels in Air, Water, Soil, Biota
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Geography
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Territories - Yukon (YT)
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external.theme.EC_Branch
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Science and Technology Branch
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external.theme.EC_Directorate
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Wildlife and Landscape Science
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external.theme.GC_Security_Level
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Unclassified
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- Use Limitation
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Open Government Licence - Canada ( http://open.canada.ca/en/open-government-licence-canada )
- Access Constraints
- Copyright
- Use Constraints
- Copyright
- Begin Date
- 2013
Extent
Ref. system Reference Systems
- Reference system identifier
- EPSG / 4326 /
Distribution
Distribution Formats
- Distribution format
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XLS
(
XLS
)
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XLS
(
XLS
)
http://ec.gc.ca