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stable isotopes

Interpretation of benthic foraminiferal stable isotopes in subtidal estuarine environments

Interpretation of benthic foraminiferal stable isotopes in subtidal estuarine environments

... Although stable isotopes have been used in brackish marine environments to reconstruct paleosalinity over time scales varying from centuries (Thomas et ...

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Trophic ecology of Southern Ocean sea stars inferred from stable isotopes ratios of C and N

Trophic ecology of Southern Ocean sea stars inferred from stable isotopes ratios of C and N

... Using stable isotopes in trophic ecology ● Stable isotope composition of an organism reflects stable isotope composition of its food ● Isotopic niche ↔ trophic niches ➞ estimation of trophic ...

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Applications of C and N stable isotopes to ecological and environmental studies in seagrass ecosystems

Applications of C and N stable isotopes to ecological and environmental studies in seagrass ecosystems

... 2.2. Food web integrators δ 13 C may sometimes define an isotopic signature for seagrass, distinguishable from those of other primary producers. For example, in a Corsican seagrass bed, it is possible to assign an ...

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Quantifying nutrient uptake as driver of rock weathering in forest ecosystems by magnesium stable isotopes

Quantifying nutrient uptake as driver of rock weathering in forest ecosystems by magnesium stable isotopes

... (Mg) stable isotopes that are sensitive indicators of Mg util- isation by ...Mg isotopes and the flux comparison suggest that a substantial part of the major element weathering flux is consumed by ...

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Using Water Stable Isotopes in the Unsaturated Zone to Quantify Recharge in Two Contrasted Infiltration Regimes

Using Water Stable Isotopes in the Unsaturated Zone to Quantify Recharge in Two Contrasted Infiltration Regimes

... water stable isotopes, evaporation from plant interception or from the upper soil leads to fractionation and enrichment in heavy isotopes (Braud et ...water stable isotopic composition in the ...

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Precipitation regime and stable isotopes at Dome Fuji, East Antarctica

Precipitation regime and stable isotopes at Dome Fuji, East Antarctica

... Dome C Figure 1. AMPS topography of Antarctica and location of selected stations. arrived at 500 hPa. They found that during snowy conditions in winter the travel time of five days was sufficient to identify the ...

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Evaluating methane oxidation efficiencies in experimental landfill biocovers by mass balance and carbon stable isotopes

Evaluating methane oxidation efficiencies in experimental landfill biocovers by mass balance and carbon stable isotopes

... result from several causes. The most important one is possibly related to the fact that the most active zone for CH 4 oxidation in biocovers is located very near the surface, where O 2 availability is greater (Czepiel et ...

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Precipitation Water Stable Isotopes in the South Tibetan Plateau: Observations and Modeling

Precipitation Water Stable Isotopes in the South Tibetan Plateau: Observations and Modeling

... This study shows the potential of Tibetan Plateau precipitation isotopic composition databases for testing the realism of the water cycle simulated by isotopic AGCMs and the importance of spatial resolution for re- ...

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Use of C & N stable isotopes to evaluate interspecific trophic diversity among amphipods from Posidonia oceanica meadows

Use of C & N stable isotopes to evaluate interspecific trophic diversity among amphipods from Posidonia oceanica meadows

... N stable isotopes to evaluate interspecific Loïc Michel 1,* , Gilles Lepoint 2 , Fabienne Nyssen 1 , Sylvie Gobert 2 & Patrick Dauby 1 1 Laboratory of Systematics and Animal Diversity, MARE Centre, ...

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Artificial reefs do increase secondary biomass production: mechanisms evidenced by stable isotopes

Artificial reefs do increase secondary biomass production: mechanisms evidenced by stable isotopes

... nitrogen stable isotopes to link fish biomass with primary production on ARs, as numerous works demonstrate that this technique is well suited for studying marine food webs ...

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Applications of stable isotopes in environmental studies at the University of Liege

Applications of stable isotopes in environmental studies at the University of Liege

... of stable isotopes in environmental studies at the University of Liege Sturaro N 1 , Borges A V 2 , Das K 1 , Dauby P 3 , Gobert S 1 , Mascart T 1 , Michel L 1 , Remy F 1 and Lepoint G 1 ...

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Different particle sources in a bivalve species of a coastal lagoon: evidence from stable isotopes, fatty acids, and compound-specific stable isotopes

Different particle sources in a bivalve species of a coastal lagoon: evidence from stable isotopes, fatty acids, and compound-specific stable isotopes

... compound-specific stable isotopes Mathieu-Resuge Margaux 1, 4, * , Schaal Gauthier 1 , Kraffe Edouard 1 , Corvaisier Rudolph 1 , Lebeau Oanez 2 , Lluch-Cota Salvador ...

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Stable isotopes as descriptors of trophic niches

Stable isotopes as descriptors of trophic niches

... Abstract. Stable isotope ratios (typically of carbon and nitrogen) provide one representation of an organism’s trophic niche and are widely used to examine aspects of food web ...Yet stable isotopes ...

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Calcium stable isotopes place Devonian conodonts as first level consumers

Calcium stable isotopes place Devonian conodonts as first level consumers

... In the present work, which is a pilot study, we use for the first time calcium (Ca) stable isotopes to infer the feeding habit of conodont animals. The first studies showing that trophic levels of animals, ...

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Partitioning groundwater recharge between rainfall infiltration and irrigation return flows using stable isotopes: the Crau aquifer.

Partitioning groundwater recharge between rainfall infiltration and irrigation return flows using stable isotopes: the Crau aquifer.

... Nevertheless, stable isotopes of water constitute a robust and independent geochemical tracer for partitioning groundwater recharges at the scale of the entire ...

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Calcium stable isotopes place Devonian conodonts as first level consumers

Calcium stable isotopes place Devonian conodonts as first level consumers

... In the present work, which is a pilot study, we use for the first time calcium (Ca) stable isotopes to infer the feeding habit of conodont animals. The first studies showing that trophic levels of animals, ...

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Tree-ring stable isotopes for regional discharge reconstruction in eastern Labrador and teleconnection with the Arctic Oscillation.

Tree-ring stable isotopes for regional discharge reconstruction in eastern Labrador and teleconnection with the Arctic Oscillation.

... and river flows (Waterhouse et al. 2000 ; Wils et al. 2010 ). In the present study, Lab 32 and Lab 65 are located at 47 and 8 km, respectively, from the Churchill River, which dis- cards the direct influence of river ...

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Using Water Stable Isotopes in the Unsaturated Zone to Quantify Recharge in Two Contrasted Infiltration Regimes

Using Water Stable Isotopes in the Unsaturated Zone to Quantify Recharge in Two Contrasted Infiltration Regimes

... water stable isotopes, evaporation from plant interception or from the upper soil leads to fractionation and enrichment in heavy isotopes (Braud et ...water stable isotopic composition in the ...

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Applications of stable isotopes in trophic ecology and ecotoxicology

Applications of stable isotopes in trophic ecology and ecotoxicology

... Stable isotopes in Trophic ecology and Ecotoxicology - Pessac - September 2014 C ASE STUDY 2: TO ELUCIDATE CONTAMINATION PATHWAY OF AN ORGANOCHLORINE PESTICIDE Organochlorine pollution in tropical rivers ...

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Reconciling glacial Antarctic water stable isotopes with ice sheet topography and the isotopic paleothermometer

Reconciling glacial Antarctic water stable isotopes with ice sheet topography and the isotopic paleothermometer

... For such isoGCM simulations of the climate of the last glacial maximum (LGM), major uncertainties in required boundary conditions are the prescribed sea surface temperature, sea ice extent and ice sheet topography, while ...

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