Carbon IsotopesRhamnusMyrtusOxygen IsotopesCarbonIsotopesCarbon DioxideNitrogen IsotopesPaleontologyPlant TranspirationOceans and SeasRainIsotope LabelingPlant LeavesPhotosynthesisEcosystemWaterBody CompositionAtmosphereMethyl ChlorideGeologic SedimentsFossilsChemical FractionationZinc IsotopesVolcanic EruptionsMethaneEthylene DichloridesSulfur IsotopesXanthobacterPinus taedaCarbonatesDeuteriumPeptococcaceaeCarbon MonoxideCarbon CycleIron IsotopesBiomassNanotubes, CarbonCarbon Compounds, InorganicEpitestosteroneGas Chromatography-Mass SpectrometryFlaveriaHistory, AncientNitrogenSeawaterHyphomicrobiumSoilBiodegradation, EnvironmentalDoping in SportsStrontium IsotopesFresh WaterFatty AcidsBacteriaTreesRadioisotope Dilution TechniquePoaceaeMass SpectrometryAmino AcidsPlant StomataPhosphoenolpyruvate CarboxylaseExtinction, BiologicalDietTimeRibulose-Bisphosphate CarboxylaseClimateAcetatesPlantsKineticsCarbon Monoxide PoisoningChiropteraIndicator Dilution TechniquesSulfatesPhospholipidsPhylogenyGeographyBase CompositionModels, BiologicalSeasonsMolecular Sequence DataCarbon RadioisotopesAnaerobiosisLipidsChromatography, GasDeuterium Oxide