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Agricultural and Veterinary Sciences
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Animals
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Antarctic Regions
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Biological Sciences
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Earless
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Ecosystem
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Food Chain
Isotopes
1
Leptonychotes weddellii
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Medical and Health Sciences
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Seals
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Sentinel Species
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Time Factors
1
compound-specific stable isotope analysis
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delta C-13
1
delta N-15
1
historical ecology
1
stable isotope analysis
1
δ13C
1
δ15N
1
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