Plant LeavesCarbon IsotopesCarbonIsotopesIsotope LabelingOxygen IsotopesNitrogen IsotopesCarbon DioxideMethyl ChlorideAtmosphereFossilsGeologic SedimentsPhotosynthesisChemical FractionationZinc IsotopesPaleontologyPlant TranspirationVolcanic EruptionsEthylene DichloridesMethaneXanthobacterSulfur IsotopesPinus taedaPeptococcaceaeDeuteriumCarbon MonoxideCarbonatesCarbon CycleIron IsotopesCarbon Compounds, InorganicNanotubes, CarbonFlaveriaEpitestosteroneBiomassEcosystemRhamnusHistory, AncientWaterNitrogenGas Chromatography-Mass SpectrometryMyrtusHyphomicrobiumDoping in SportsSeawaterSoilStrontium IsotopesBiodegradation, EnvironmentalOceans and SeasPhosphoenolpyruvate CarboxylaseTreesRainPoaceaePlant StomataRadioisotope Dilution TechniqueFresh WaterExtinction, BiologicalPlantsRibulose-Bisphosphate CarboxylaseTimeClimateAcetatesCarbon Monoxide PoisoningMass SpectrometryChiropteraIndicator Dilution TechniquesGeographySulfatesKineticsBacteriaCarbon RadioisotopesModels, BiologicalAnaerobiosisSeasonsCarbon TetrachlorideDietPhylogenyCarbon SequestrationMercury IsotopesHydrogenPlant ProteinsGene Expression Regulation, PlantCarbon DisulfideDeuterium OxideEvolution, PlanetaryPlant StemsBiological EvolutionOxidation-ReductionMolecular Sequence DataRadioisotopesArabidopsisChromatography, LiquidPlants, Genetically ModifiedPlant RootsMeteoroidsPlant ShootsPlant ExtractsGeological PhenomenaFood ChainHydrogen-Ion ConcentrationMagnetic Resonance Spectroscopy