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Stable isotopes in ecology

Using stable isotopes to assess the trophic ecology of a native and invasive fish species in the western basin of Lake Erie

Using stable isotopes to assess the trophic ecology of a native and invasive fish species in the western basin of Lake Erie

... Using stable isotopes to assess the trophic ecology of a native Using stable isotopes to assess the trophic ecology of a native and invasive fish species in the western basin of ...

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A dynamic study of earthworm feeding ecology using stable isotopes

A dynamic study of earthworm feeding ecology using stable isotopes

... used stable isotopic 13 C and 15 N techniques to clarify changes in the specific diet, habitat and soil organic matter pools assimilated by earthworms in relation to landuse changes in order to optimize ...

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Stable isotopes of captive cetaceans (killer whales and bottlenose dolphins)

Stable isotopes of captive cetaceans (killer whales and bottlenose dolphins)

... relative to the whole fish. Such differences may result from differential protein turnover in the whole body versus in fish skeletal muscle and from differential metabolic routing of dietary elements to various tissues ...

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Using stable isotopes of water to infer wetland hydrological dynamics

Using stable isotopes of water to infer wetland hydrological dynamics

... Many wetland hydrology studies have described the wetland water table or developed an annual wetland water budget (Owen, 1995; Cooper et al., 1998). Whilst this may illustrate the wider context of a wetland, and the ...

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Past surface temperatures at the NorthGRIP drill site from the difference in firn diffusion of water isotopes

Past surface temperatures at the NorthGRIP drill site from the difference in firn diffusion of water isotopes

... of stable water isotopes in pre- cipitation has been observed since the 1950s (Dansgaard, 1953, 1964; Dansgaard et ...using stable water isotopes is the dependency on the source area, ...

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Identification of Recharge Controls For Groundwater Aquifer System By Stable Water Isotopes

Identification of Recharge Controls For Groundwater Aquifer System By Stable Water Isotopes

... of stable isotope analysis 18 O and D in July 2013 still show typical values with values around -6 ‰ to -7 ‰ ...the stable isotope values of 18 O and D tended to be enriched, and their peak in September ...

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18 O water isotope in the iLOVECLIM model (version 1.0) – Part 1: Implementation and verification

18 O water isotope in the iLOVECLIM model (version 1.0) – Part 1: Implementation and verification

... water isotopes, the main development lies in the atmospheric component in which evaporation, condensa- tion and existence of different phases (liquid and solid) all affect the isotopic conditions of the water ...

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Sacred Heart: A Stable Isotope Analysis of Childhood, Diet, and Mobility at a Nineteenth Century Ontario Cemetery

Sacred Heart: A Stable Isotope Analysis of Childhood, Diet, and Mobility at a Nineteenth Century Ontario Cemetery

... two stable isotopes: 14 N and 15 N, and carbon has three naturally occurring isotopes: 12 C, 13 C, and 14 ...are stable, while 14 C is radioactive and will decay over time. The stable ...

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Measurement of de novo hepatic lipogenesis in humans using stable isotopes

Measurement of de novo hepatic lipogenesis in humans using stable isotopes

... carbohydrate/kg of weight per min), or a high-carbohydrate mixed-meal breakfast (3.5 g of carbohydrate/kg of weight). Respiratory quotients remained less than 1.0. High-performance liquid chromatography/mass ...

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Stable Isotopes Studies in the Urucu Oil Province, Amazon Region, Brazil

Stable Isotopes Studies in the Urucu Oil Province, Amazon Region, Brazil

... Reference [4] observed that the δ 18 O and δ 2 H values of precipitation that have not been evaporated are linear- ly related by the equation δ 2 H = 8 δ 18 O + 10. This equation, known as the Global Meteoric Water Line ...

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Stable isotopes and body composition in children: History, fundamentals, and clinical applications

Stable isotopes and body composition in children: History, fundamentals, and clinical applications

... The current references of body composition are based on body mass index assessed in healthy children, but their individual interpretation should be made with cau- tion. The use of stable isotopes, such as ...

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Metaproteomics: Much More than Measuring Gene Expression in Microbial Communities

Metaproteomics: Much More than Measuring Gene Expression in Microbial Communities

... protein stable isotope fingerprinting (direct Protein-SIF) method to analyze natural ratios of carbon stable isotopes, which allows one to determine carbon sources of individual microorganisms in ...

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Lignin oxidation products as a potential proxy for vegetation and environmental changes in speleothems and cave drip water – a first record from the Herbstlabyrinth, central Germany

Lignin oxidation products as a potential proxy for vegetation and environmental changes in speleothems and cave drip water – a first record from the Herbstlabyrinth, central Germany

... mostly stable isotope ratios and trace elements have been used as climate proxies in speleothems (McDermott, 2004; Fairchild and Treble, ...and stable isotope ratios but also organic ...

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Interpretation and application of carbon isotope ratios in freshwater diatom silica

Interpretation and application of carbon isotope ratios in freshwater diatom silica

... Acknowledgments. This study was inspired by Professor Alayne Street- Perrott. Alayne was one of the founding members of the IBiS (Isotopes and Biogenic Silica) working group, in which the main motivations are to ...

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Metabolic Stable Isotope Fractionation: Biogeochemical Approaches to Diagnosing Sickle Cell and Thalassemia Anemia in the Archaeological Record

Metabolic Stable Isotope Fractionation: Biogeochemical Approaches to Diagnosing Sickle Cell and Thalassemia Anemia in the Archaeological Record

... remain stable and relatively constant (Brand 1997; Cannon ...of stable isotopes within the body (Bucheister and Latour 2010; Butz et ...whereby stable isotopes are separated (see ...

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Stable carbon isotopes in exhaled breath as tracers for dietary information in birds and mammals

Stable carbon isotopes in exhaled breath as tracers for dietary information in birds and mammals

... the stable carbon isotope signature of the recently ingested food but also by the time elapsed since an isotopic shift in the diet, the turnover rate of endogenous substrates and the ratio at which endogenous and ...

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Trans-generational marking of clownfish larvae via maternal transmission of stable isotopes

Trans-generational marking of clownfish larvae via maternal transmission of stable isotopes

... enriched stable isotopes, such as 137 Ba, and the chemical signature is maternally transmitted to embryos and is deposited at the core of the otoliths of ...

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Trans-generational marking of clownfish larvae via maternal transmission of stable isotopes

Trans-generational marking of clownfish larvae via maternal transmission of stable isotopes

... enriched stable isotopes, such as 137 Ba, and the chemical signature is maternally transmitted to embryos and is deposited at the core of the otoliths of ...

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Hagfish feeding habits along a depth gradient inferred from stable isotopes

Hagfish feeding habits along a depth gradient inferred from stable isotopes

... Acknowledgements. The MV ‘Tranquil Image’ crew N. Fur- ley, G. Gibbs and S. Kelly helped to organize all of the field- work using baited fish traps. R. Crech’riou, A. Smith, C. Bed- ford, O. Hannaford, K. Rodgers, C. ...

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Can mussels be used as sentinel organisms for characterization of pollution in
urban water systems?

Can mussels be used as sentinel organisms for characterization of pollution in urban water systems?

... The relationship between mussel δ 15 N and TDIN concen- tration within the estuary was much stronger when omitting site Cl and not significant when omitting site MC. Site Cl was the shallowest site with a high density of ...

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