nitrogen stable isotope analysis
The Diet Composition and Trophic Position of Introduced Prussian Carp Carassius gibelio (Bloch, 1782) and Native Fish Species in a Turkish River
... dried at 60°C for 24 hours and and homogenized with a microdismembrator-U (2 min at 1500 rpm) or a mortar and pestle into a fine powder in preparation for isotopic analysis. SIA of samples from fish muscle and ...
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McGlynn, George (2007): Using 13C-, 15N-, and 18O stable isotope analysis of human bone tissue to identify transhumance, high altitude habitation and reconstruct palaeodiet for the early medieval Alpine population at Volders, Austria. Dissertation, LMU München: Fakultät für Biologie
... to nitrogen, referred to as the C:N ratio, is one of the most important indicators of collagen integrity, which in this case, can be interpreted to mean lack of ...by isotope ratio mass spectrometry ...
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Understanding trophic interactions in host parasite associations using stable isotopes of carbon and nitrogen
... The aim of this study was to investigate the trophic re- lationships between the freshwater fish barbel (Barbus barbus) and its associated parasites using stable isotope analysis. For this purpose, ...
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Effects of tissue preservation on carbon and nitrogen stable isotope signatures in syngnathid fishes and prey
... The isotopic composition of animal tissues reflects the dietary isotopic composition, especially for C and N, with a difference of a few units (discrimination factor) [8,9]. Isotopic signatures are species- and ...
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Determination of Subsurface Nitrogen Contamination using Tree Leaves and Stable Nitrogen Isotope Ratios.
... I would like to thank everyone that has supported me throughout the course of the last few years. First, I would like to thank Elizabeth Nichols for this opportunity; her patience and attention to detail aided me ...
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Intrinsic and extrinsic forcing in life histories: patterns of growth and stable isotopes in male Antarctic fur seal teeth
... of stable nitrogen and carbon ...in stable isotope ...of stable isotope deposi- tion in the teeth of male Antarctic fur seals can provide a measure of long- and short-term ...
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Carbon and nitrogen stable isotope ratios can estimate anionic polyacrylamide degradation in soil
... PAM degradation occurs slowly in soils as a result of chemical, photochemical, biological and mechanical processes (i.e., such as abrasion, freezing, thawing) because of the molecule's enormous size. Abiotic processes ...
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Evaluating larval mosquito resource partitioning in western Kenya using stable isotopes of carbon and nitrogen
... addition to a highly diverse menu for larvae in natural habitats, difficulties in identifying resource partitioning in natural habitats using stable isotope analysis alone is also likely due to the ...
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Recent advances in the application of stable isotope ratio analysis in forensic chemistry
... determine if it was possible to link the starting material used in the synthesis of RDX to the prepared product using carbon and nitrogen isotope analysis. They selected five hexamine samples as the ...
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Depth segregation and diet disparity revealed by stable isotope analyses in sympatric herbivorous cichlids in Lake Tanganyika
... The stable isotope ratio of nitrogen (N) is useful in trophic level analysis as the nitrogen pools of animals have δ 15 N signatures regularly enriched by a certain value (typically, ...
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Stable isotopes and dynamic diets : the Mesolithic-Neolithic dietary transition in terrestrial Central Europe
... farming. Stable isotope data in this context have thrown up controversial results, famously such as the ‘sharp shift’ from marine to terrestrial resources along the Atlantic façade of Europe (Richards et ...
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John Bremner 1922-2007
... for stable isotope research, including ...and isotope ratio analysis of the different forms of nitrogen ...and isotope ratio analysis of soil total nitrogen, ...
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APPLICATION OF STABLE ISOTOPE SIGNATURES IN FOOD TRACEABILITY
... Stable isotope analysis has widely been used to trace the origin of organic materials in various fields, such as geochemistry, biochemistry, archeology and ...of stable isotope ...
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Experimental investigation of potential biological nitrogen provisioning by freshwater
... 15 N stable isotope analysis in investigating biological nitrogen provisioning via nitrate reduction 191. to ammonium in freshwater insects[r] ...
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Carbon isotopic fractionation in eider adipose tissue varies with fatty acid structure: implications for trophic studies
... either stable isotope or fatty acid (FA) ...instance, stable isotopic analyses of carbon have been used to determine the relative contributions of sources of diet items ...while stable ...
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Unravelling collembolan life belowground: Stoichiometry, metabolism and release of carbon and nitrogen
... the isotope addition ...estimate isotope discrimination by collembolans in studies where their diet is composed of multiple sources, and as a supplement to compound specific ...add stable isotopes ...
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Applications of stable isotope analysis to atmospheric trace gas budgets
... Fig. 2. This nice diagram (sometimes called a 3 isotope plot for oxygen) shows δ 17 O relative to δ 18 O in a simplified form. The proper parameters to be plotted are ln(1 + δ ) values. Values indicated are based ...
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A secretive mechanical exchange between mantle and crustal volatiles revealed by helium isotopes in 13C depleted diamonds
... single nitrogen atoms substituting for carbon (Kaiser and Bond, ...the stable isotope values of carbon and nitrogen, where coupled δ 13 C-δ 15 N values can ...
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Sulphur-isotope compositions of pig tissues from a controlled feeding study
... For each soft tissue sample, a cross-section of tissue was removed using a new scalpel blade. For soft tissues ( ∼ 2 g), faeces (1 g), hair (10 mg) and milk (1 ml) samples were freeze dried for >24 h, lipids were ...
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Isotopic palaeodiet studies of Ancient Egyptian fauna and humans
... Nitrogen isotope values can give information about the trophic level of dietary ...urinary nitrogen excretion and/or protein stress causing tissues to become 15 N-enriched, or to an increase in the ...
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