Stable carbon and nitrogen isotopes
Nitrogen stress causes unpredictable enrichments of 15N in two nectar feeding bat species
... using nitrogen isotopes were higher than those estimated using stable carbon isotopes when bats were sustained under a nitrogen-poor ...with carbon and nitrogen ...
8
Long-term carbon and nitrogen dynamics at SPRUCE revealed through stable isotopes in peat profiles
... of carbon (C) and nitrogen (N) during peatland development from rich fen to ...peat carbon (rightmost top box); N flux from adjacent uplands influences productivity in the lagg region, peatland ...
16
Evaluating larval mosquito resource partitioning in western Kenya using stable isotopes of carbon and nitrogen
... occurring stable isotopes to examine inter- and intra-specific resource partitioning among larval ...the carbon and nitrogen stable isotope ratios of larvae sharing the same habitats in ...
7
Using Stable Isotopes of Carbon and Nitrogen to Mark Wild Populations of Anopheles and Aedes Mosquitoes in South-Eastern Tanzania.
... with stable isotopes offers an effective alternative marking technique for medically important mosquitoes ...field stable isotope enrichment technique to investigate dispersal range of Culex ...the ...
13
Environmental stress and eutrophication in freshwater wetlands: evidence from carbon and nitrogen stable isotopes in cattail (Typha domingensis Pers.)
... during carbon uptake and decreased 15 N fractionation with increasing nitrogen demand while poor hydrological condition coupled with low nutrients led to reduced plant growth indicated by higher δ 13 C and ...
8
Unravelling collembolan life belowground: Stoichiometry, metabolism and release of carbon and nitrogen
... add stable isotopes such as 18 O, 34 S and 2 H in addition to 13 C and 15 ...multiple isotopes is that each element can address specific questions in relation to source mixing and partitioning of ...
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Economic and socio-cultural consequences of changing political rule on human and faunal diets in medieval Valencia (c. fifth–fifteenth century AD) as evidenced by stable isotopes
... Alaska Stable Isotope facility (University of Alaska Fairbanks ’ s Water and Environmental Research Centre; WERC) for humans or coupled with a Flash EA 2112 at the Department of Human Evolution, Max Planck ...
20
Carbon and nitrogen stable isotope turnover rates and diet–tissue discrimination in Florida manatees (Trichechus manatus latirostris)
... ratios between consumer tissue and diet) and turnover rate (the time it takes for the isotope to be assimilated into the consumer’s tissue) of the sampled tissue. Diet–tissue discrimination may be difficult to determine ...
7
Can mussels be used as sentinel organisms for characterization of pollution in urban water systems?
... Anthropogenic nitrogen and organic pollution of wa- ter systems, including the interaction between surface and groundwater, have been successfully investigated using a range of stable isotopes ...
11
A secretive mechanical exchange between mantle and crustal volatiles revealed by helium isotopes in 13C depleted diamonds
... trial carbon cycle (Shirey et ...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 ...
13
Assigning stranded bottlenose dolphins to source stocks using stable isotope ratios following the Deepwater Horizon oil spill
... used stable isotopes of carbon, nitrogen, and sulfur from skin to assign stranded bottlenose dolphins Tursiops truncatus to different habitats, as a proxy for stocks (demographically ...
18
Altitudinal gradients of natural abundance of stable isotopes of nitrogen and carbon in the needles and soil of a pine forest in Nepal
... soil nitrogen may vary from one site to ...the nitrogen isotope composition of plants and soil is also presented in terms of “enrichment factor” (M ARIOTTI et ...
8
Sacred Heart: A Stable Isotope Analysis of Childhood, Diet, and Mobility at a Nineteenth Century Ontario Cemetery
... neutrons. Nitrogen has 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 ...
116
Exploring the Movement of People in Postclassic and Historic Period Lamanai Using Stable Isotopes
... investigation of diet using collagen carbon- and nitrogen-isotope data, and the exploration of the individuals buried in the VPLF position. All statistics were produced using IBM SPSS Statistics 21. ...
187
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 ...
18
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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Understanding trophic interactions in host parasite associations using stable isotopes of carbon and nitrogen
... Parasite and fish tissue (muscle without bones, intestine and liver) samples were freeze-dried using a freeze dryer (Heto PowerDry LL3000; Thermo Fisher Scientific, Waltham, USA) and subsequently powdered using a por- ...
9
The incredible lightness of being methane fuelled:stable isotopes reveal alternative energy pathways in aquatic ecosystems and beyond
... dominates. Stable isotopes have been an incredibly useful tool in the identification and quantification of methanogenic and methanotrophic pathways (Conrad, 2005) and further identifying the constituents of ...
14
Stable water isotopes in the MITgcm
... heavier isotopes are entrapped in the solid ice structure, while depleted sea ice brine is ex- pelled (O’Neil, ...of isotopes within the sea ice might lead to minor local changes but should not be one of ...
20
Inter- and intra-annual C and N isotopic variability of C3 and C4 grasses in a temperate-humid dune environment
... foliar nitrogen content of both ...foliar nitrogen content early in the season is associated with initiation of photosynthesis and plant ...growth. Nitrogen is translocated from the roots to leaves ...
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