Stable isotope analyses of nitrogen (δ15N ... The results suggest that chironomids should not be considered as one group in food web studies. Even interpretation of trophic position on subfamily level ...

Stable isotope analysis of elements such as carbon, nitrogen and sulphur is used in ecology to trace the flow of nutrients through food webs and assess trophic levels. Individual dietary ...

Stable isotope ratios vary among food webs and are incorporated into an animal's tissue via its diet (Hobson 1999). It is thus sometimes possible to infer the whereabouts of an animal moving ...

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However, about 1 % of the carbon in the Earth’s biosphere has 6 protons and 7 neutrons (13C) forming the heavy stable isotope of this important element. Stable isotopes do not decay into other ...

The CUBES-SIL lab has three magnetic sector, gas-source, isotope ratio mass spectrometers designed to measure the relative abundance of stable isotopes of light elements and molecules ... planetary ...

hydrogen and oxygen stable isotope composition of various molecules and materials. These measurements have applications in diverse scientific disciplines ranging from the earth sciences (paleoclimate, ...