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Spatial variation in carbon (δ 13c) and nitrogen (δ 15n) isotopes in Antarctic benthic fauna and its impact on the elucidation of a nearshore food web. Xth SCAR International Biology Symposium, Sapporo, Japan, July 26-31, 2009, 2009 (Ref: 14435)
Category 3: Abstract

The basis of using isotopic measurements to study trophic structure lies in documenting a regular and consistent pattern of isotopic enrichment with increasing trophic level. Nitrogen isotope ratios (δ 15N) in consumers become enriched in 15N by 3-4 % relative to their food…

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