Stable Isotope Ecology (CER, Kyoto Univ.)
@stableisotopeecol.bsky.social
Facility for Stable Isotope Ecology in CER, Kyoto U. (w Kei Koba, he/him). Papers using stable isotopes I just found, status of our IRMSs. http://www.ecology.kyoto-u.ac.jp/~keikoba/english/KobaEnglish.html
Sun, Y., Ishikawa, N.F., Ogawa, N.O. et al. Carbon isotopic changes of 16 proteinogenic amino acids during trophic transfer in a cultured marine consumer. Prog Earth Planet Sci 13, 9 (2026). doi.org/10.1186/s406... #stableisotopes
Carbon isotopic changes of 16 proteinogenic amino acids during trophic transfer in a cultured marine consumer - Progress in Earth and Planetary Science
Stable carbon isotopic compositions of amino acids (δ13CAA) in organisms potentially record information on carbon sources and flow in food webs. In this study, we report δ13C values of 16 proteinogeni...
doi.org
February 2, 2026 at 1:59 PM
Sun, Y., Ishikawa, N.F., Ogawa, N.O. et al. Carbon isotopic changes of 16 proteinogenic amino acids during trophic transfer in a cultured marine consumer. Prog Earth Planet Sci 13, 9 (2026). doi.org/10.1186/s406... #stableisotopes
Dynamics of sulfate and nitrate in a temperate stream network: combining multi-isotope analysis and generalized linear mixed-effects models for precautionary conservation. #stableisotopes Prog Earth Planet Sci 13, 1 (2026). doi.org/10.1186/s406...
Dynamics of sulfate and nitrate in a temperate stream network: combining multi-isotope analysis and generalized linear mixed-effects models for precautionary conservation - Progress in Earth and Plane...
Environmental pollution in stream networks is a major concern. In this study, the effects of land-use and geological characteristics on basin-scale sulfate and nitrate dynamics in the Chikusa River ba...
doi.org
February 2, 2026 at 1:58 PM
Dynamics of sulfate and nitrate in a temperate stream network: combining multi-isotope analysis and generalized linear mixed-effects models for precautionary conservation. #stableisotopes Prog Earth Planet Sci 13, 1 (2026). doi.org/10.1186/s406...
Drivers of Deposited Nitrogen Retention and Its Contribution to Carbon Sequestration in Chinese Forests #stableisotopes onlinelibrary.wiley.com/doi/abs/10.1...
Drivers of Deposited Nitrogen Retention and Its Contribution to Carbon Sequestration in Chinese Forests
We compiled data from 15N tracer studies across forests in China to examine nitrogen (N) retention and its contribution to carbon (C) sequestration. On average, forests retain about 65% of deposited ...
onlinelibrary.wiley.com
February 2, 2026 at 12:00 PM
Drivers of Deposited Nitrogen Retention and Its Contribution to Carbon Sequestration in Chinese Forests #stableisotopes onlinelibrary.wiley.com/doi/abs/10.1...
Application of the Keeling plot approach in quantifying sediment organic matter sources using carbon isotopes and C/N ratios: An example from Xiaowan Reservoir, Lancang River basin, China #stableisotopes www.sciencedirect.com/science/arti...
Application of the Keeling plot approach in quantifying sediment organic matter sources using carbon isotopes and C/N ratios: An example from Xiaowan Reservoir, Lancang River basin, China
Partitioning autochthonous and allochthonous organic matter (OM) contributions to reservoir sediments is essential for accurately estimating the magni…
www.sciencedirect.com
February 2, 2026 at 11:04 AM
Application of the Keeling plot approach in quantifying sediment organic matter sources using carbon isotopes and C/N ratios: An example from Xiaowan Reservoir, Lancang River basin, China #stableisotopes www.sciencedirect.com/science/arti...
Impacts of snow nitrate photolysis and recycling on identification of oxidation information recorded in nitrate in Antarctica #stableisotopes www.sciencedirect.com/science/arti...
Impacts of snow nitrate photolysis and recycling on identification of oxidation information recorded in nitrate in Antarctica
The oxygen isotopes of nitrate (NO3−), specifically δ18O(NO3−) and Δ17O(NO3−), provide insights into the oxidation mechanisms responsible for NO3− for…
www.sciencedirect.com
February 2, 2026 at 11:00 AM
Impacts of snow nitrate photolysis and recycling on identification of oxidation information recorded in nitrate in Antarctica #stableisotopes www.sciencedirect.com/science/arti...
A common ontology for stable isotope data www.sciencedirect.com/science/arti... #stableisotopes
A common ontology for stable isotope data
Stable isotope data has broad applicability across multiple science domains. As more datasets are published and stable isotope data systems are built,…
www.sciencedirect.com
February 2, 2026 at 10:55 AM
A common ontology for stable isotope data www.sciencedirect.com/science/arti... #stableisotopes
Reliance on blue, green, and brown energy channels drives a shift in the trophic position of riparian spiders - Saboret - 2026 - Ecology #stableisotopes esajournals.onlinelibrary.wiley.com/doi/full/10....
Reliance on blue, green, and brown energy channels drives a shift in the trophic position of riparian spiders
Understanding the mechanisms shaping food chain length (FCL) has long been central to food web ecology. FCL is a key determinant of stability, energy flow efficiency, and biodiversity maintenance, bu....
esajournals.onlinelibrary.wiley.com
February 1, 2026 at 12:05 PM
Reliance on blue, green, and brown energy channels drives a shift in the trophic position of riparian spiders - Saboret - 2026 - Ecology #stableisotopes esajournals.onlinelibrary.wiley.com/doi/full/10....
Southern Ocean Sulfate Aerosol Sources Quantified From Sulfur Isotopes in Antarctic Ice Cores - Jongebloed - 2026 - Geophysical Research Letters #stableisotopes agupubs.onlinelibrary.wiley.com/doi/full/10....
Southern Ocean Sulfate Aerosol Sources Quantified From Sulfur Isotopes in Antarctic Ice Cores
Sulfur isotopes in ice cores quantify how much sulfate over the Southern Ocean comes from passive volcanic degassing versus phytoplankton A global chemical transport model underestimates the volc...
agupubs.onlinelibrary.wiley.com
February 1, 2026 at 11:59 AM
Southern Ocean Sulfate Aerosol Sources Quantified From Sulfur Isotopes in Antarctic Ice Cores - Jongebloed - 2026 - Geophysical Research Letters #stableisotopes agupubs.onlinelibrary.wiley.com/doi/full/10....
Carbon and Nitrogen Stable Isotopic Profiling of Chimpanzees and Monkeys in Kalinzu Forest Reserve, Uganda #stableisotopes onlinelibrary.wiley.com/doi/full/10....
Carbon and Nitrogen Stable Isotopic Profiling of Chimpanzees and Monkeys in Kalinzu Forest Reserve, Uganda
Distributions of carbon and nitrogen stable isotope ratios of primate hairs from Kalinzu Forest Reserve, Uganda.
onlinelibrary.wiley.com
February 1, 2026 at 10:45 AM
Carbon and Nitrogen Stable Isotopic Profiling of Chimpanzees and Monkeys in Kalinzu Forest Reserve, Uganda #stableisotopes onlinelibrary.wiley.com/doi/full/10....
The intra-annual tree-ring δ18O records from the northeastern Tibetan Plateau can reflect seasonal variations of relative humidity and the intra-annual distribution of precipitation #stableisotopes www.sciencedirect.com/science/arti...
The intra-annual tree-ring δ18O records from the northeastern Tibetan Plateau can reflect seasonal variations of relative humidity and the intra-annual distribution of precipitation
The intra-annual distribution of precipitation has a significant impact on vegetation growth in arid and semi-arid regions. Intra-annual variations in…
www.sciencedirect.com
February 1, 2026 at 10:41 AM
The intra-annual tree-ring δ18O records from the northeastern Tibetan Plateau can reflect seasonal variations of relative humidity and the intra-annual distribution of precipitation #stableisotopes www.sciencedirect.com/science/arti...
Stoichiometric regulation of nitrogen and carbon fluxes in Acropora coral facing short‐term stress of ammonium loading - Fisher - 2026 - Ecosphere #stableisotopes esajournals.onlinelibrary.wiley.com/doi/full/10....
Stoichiometric regulation of nitrogen and carbon fluxes in Acropora coral facing short‐term stress of ammonium loading
Scleractinian coral evolved under nitrogen (N)-limited conditions. The increase in N flux from anthropogenic activities to these otherwise N-depleted environments is threatening coral health and cora....
esajournals.onlinelibrary.wiley.com
February 1, 2026 at 9:55 AM
Stoichiometric regulation of nitrogen and carbon fluxes in Acropora coral facing short‐term stress of ammonium loading - Fisher - 2026 - Ecosphere #stableisotopes esajournals.onlinelibrary.wiley.com/doi/full/10....
Earth System Model Analysis of How Astronomical Forcing Is Imprinted Onto the Marine Geological Record: The Role of the Marine Organic Carbon Cycle and Feedbacks #stableisotopes agupubs.onlinelibrary.wiley.com/doi/full/10....
Earth System Model Analysis of How Astronomical Forcing Is Imprinted Onto the Marine Geological Record: The Role of the Marine Organic Carbon Cycle and Feedbacks
The astronomical impact on marine organic carbon cycling and resulting environmental changes are evaluated in a 3D Earth system model At eccentricity maxima, marine carbon burial is promoted by s...
agupubs.onlinelibrary.wiley.com
February 1, 2026 at 7:39 AM
Earth System Model Analysis of How Astronomical Forcing Is Imprinted Onto the Marine Geological Record: The Role of the Marine Organic Carbon Cycle and Feedbacks #stableisotopes agupubs.onlinelibrary.wiley.com/doi/full/10....
Comparison of Clumped Isotope, δ18 O, and Alkenone Proxies for Sea‐Surface Temperature off Coastal California Over the Past 4.2 Million Years - Gorin - 2026 - Paleoceanography and Paleoclimatology #stableisotopes agupubs.onlinelibrary.wiley.com/doi/abs/10.1...
Comparison of Clumped Isotope, δ18 ${\boldsymbol{\delta }}^{\mathbf{18}}$O, and Alkenone Proxies for Sea‐Surface Temperature off Coastal California Over the Past 4.2 Million Years
We compare alkenone sea-surface temperatures records with new clumped-isotope and δ18 ${\delta }^{18}$O carbonate data from a southern California upwelling site over 4.2 Myr Clumped-isotope and δ...
agupubs.onlinelibrary.wiley.com
February 1, 2026 at 7:34 AM
Comparison of Clumped Isotope, δ18 O, and Alkenone Proxies for Sea‐Surface Temperature off Coastal California Over the Past 4.2 Million Years - Gorin - 2026 - Paleoceanography and Paleoclimatology #stableisotopes agupubs.onlinelibrary.wiley.com/doi/abs/10.1...
Controls on Oxygen Concentrations and δ13C in the Glacial Atlantic - Costa - 2026 - Paleoceanography and Paleoclimatology - Wiley Online Library agupubs.onlinelibrary.wiley.com/doi/abs/10.1... #stableisotopes
Controls on Oxygen Concentrations and δ13C in the Glacial Atlantic
Oxygen content was lower than modern throughout much of the glacial Atlantic Ocean
Changes in preformed δ13C and oxygen were critical components of the observed difference between the last glacia...
agupubs.onlinelibrary.wiley.com
February 1, 2026 at 7:28 AM
Controls on Oxygen Concentrations and δ13C in the Glacial Atlantic - Costa - 2026 - Paleoceanography and Paleoclimatology - Wiley Online Library agupubs.onlinelibrary.wiley.com/doi/abs/10.1... #stableisotopes
A Process‐Based Model of Precipitation Isotopes, Orographic Lifting and Leaf Wax δ2H Across the Tibetan Plateau and South Asia - Hren - 2026 - Paleoceanography and Paleoclimatology - Wiley Online Library agupubs.onlinelibrary.wiley.com/doi/abs/10.1... #stableisotopes
A Process‐Based Model of Precipitation Isotopes, Orographic Lifting and Leaf Wax δ2H Across the Tibetan Plateau and South Asia
Modern water data is used to fit an orographic precipitation isotope model for the Himalaya and Tibetan Plateau region
Model predictions for primary water isotopes are paired with leaf wax hydrog...
agupubs.onlinelibrary.wiley.com
February 1, 2026 at 7:24 AM
A Process‐Based Model of Precipitation Isotopes, Orographic Lifting and Leaf Wax δ2H Across the Tibetan Plateau and South Asia - Hren - 2026 - Paleoceanography and Paleoclimatology - Wiley Online Library agupubs.onlinelibrary.wiley.com/doi/abs/10.1... #stableisotopes
Eccentricity rhythms in the Oligocene-Miocene carbon cycle regulated by weathering and carbonate burial | Science Advances www.science.org/doi/10.1126/... #stableisotopes
Eccentricity rhythms in the Oligocene-Miocene carbon cycle regulated by weathering and carbonate burial
Continental weathering and shelf-basin carbonate partitioning regulate Oligocene-Miocene carbon cycling on orbital timescales.
www.science.org
February 1, 2026 at 6:01 AM
Eccentricity rhythms in the Oligocene-Miocene carbon cycle regulated by weathering and carbonate burial | Science Advances www.science.org/doi/10.1126/... #stableisotopes
Effects of fire severity on soil organic matter: a multi-isotope (C, N, H, O) comparison of wildfires and experimental burns #stableisotopes www.sciencedirect.com/science/arti...
Effects of fire severity on soil organic matter: a multi-isotope (C, N, H, O) comparison of wildfires and experimental burns
Fire severity is key in shaping soil organic matter (SOM) composition, affecting biogeochemical cycles and post-fire recovery. However, accurately ass…
www.sciencedirect.com
February 1, 2026 at 5:45 AM
Effects of fire severity on soil organic matter: a multi-isotope (C, N, H, O) comparison of wildfires and experimental burns #stableisotopes www.sciencedirect.com/science/arti...
Discrepancies in microbial nitrogen cycling among diverse karst hydrological systems: enhanced nitrate reduction potential in karst conduits #stableisotopes www.sciencedirect.com/science/arti...
Discrepancies in microbial nitrogen cycling among diverse karst hydrological systems: enhanced nitrate reduction potential in karst conduits
Karst groundwater, a critical global drinking water source, exhibits heightened vulnerability to nitrate (NO3−) contamination due to rapid hydraulic c…
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February 1, 2026 at 5:43 AM
Discrepancies in microbial nitrogen cycling among diverse karst hydrological systems: enhanced nitrate reduction potential in karst conduits #stableisotopes www.sciencedirect.com/science/arti...
Zhang, J., Jin, X., Wu, Q. et al. Phosphorus source identification in a human-impacted small watershed using phosphate oxygen isotopes. #stableisotopes Aquat Sci 88, 31 (2026). doi.org/10.1007/s000...
Phosphorus source identification in a human-impacted small watershed using phosphate oxygen isotopes - Aquatic Sciences
In recent years, the interplay between emerging human activities (extensive flood prevention, water environment management, and ecological restoration) and traditional human activities (industrializat...
doi.org
February 1, 2026 at 5:13 AM
Zhang, J., Jin, X., Wu, Q. et al. Phosphorus source identification in a human-impacted small watershed using phosphate oxygen isotopes. #stableisotopes Aquat Sci 88, 31 (2026). doi.org/10.1007/s000...
Improved Isotopic Analysis of Low-Concentration Freshwater Nitrite by Anion-Exchange Resin Enrichment and Azide Reduction | Analytical Chemistry pubs.acs.org/doi/10.1021/... #stableisotopes
Improved Isotopic Analysis of Low-Concentration Freshwater Nitrite by Anion-Exchange Resin Enrichment and Azide Reduction
The isotopic composition (δ15N and δ18O) of nitrite (NO2–) provides valuable insights into nitrogen cycling in aquatic environments. However, its typically low concentrations as a transient redox inte...
pubs.acs.org
February 1, 2026 at 4:59 AM
Improved Isotopic Analysis of Low-Concentration Freshwater Nitrite by Anion-Exchange Resin Enrichment and Azide Reduction | Analytical Chemistry pubs.acs.org/doi/10.1021/... #stableisotopes
Mobility of interred individuals at Neolithic tombs in Wales using sulfur (δ34S) bone collagen isotope values and a predictive archaeological sulfur isoscape for the UK royalsocietypublishing.org/rsos/article... #stableisotopes
Mobility of interred individuals at Neolithic tombs in Wales using sulfur (δ34S) bone collagen isotope values and a predictive archaeological sulfur isoscape for the UK
Abstract. We measured human bone collagen sulfur isotope values of 27 Neolithic humans from five early Neolithic (fourth millennium cal BC) tombs in south
royalsocietypublishing.org
January 24, 2026 at 8:33 AM
Mobility of interred individuals at Neolithic tombs in Wales using sulfur (δ34S) bone collagen isotope values and a predictive archaeological sulfur isoscape for the UK royalsocietypublishing.org/rsos/article... #stableisotopes
Integrated isotopic and molecular insights reveal agricultural legacy phosphorus driving Nanyihu Lake eutrophication #stableisotopes www.sciencedirect.com/science/arti...
Integrated isotopic and molecular insights reveal agricultural legacy phosphorus driving Nanyihu Lake eutrophication
Phosphorus (P)-driven eutrophication remains a major ecological threat to aquatic ecosystems, particularly in intensively farmed regions. However, the…
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January 24, 2026 at 8:22 AM
Integrated isotopic and molecular insights reveal agricultural legacy phosphorus driving Nanyihu Lake eutrophication #stableisotopes www.sciencedirect.com/science/arti...
Annual Weather Patterns Drive Large Pulses of Saline Submarine Groundwater Discharge and Major Summer Inputs of Nutrients to the South Atlantic Bight - Vincent - 2026 - Journal of Geophysical Research: Oceans #stableisotopes agupubs.onlinelibrary.wiley.com/doi/10.1029/...
Annual Weather Patterns Drive Large Pulses of Saline Submarine Groundwater Discharge and Major Summer Inputs of Nutrients to the South Atlantic Bight
Seasonal wind-driven saline submarine groundwater discharge off South Carolina is linked to the North Atlantic Subtropical High and storms Porewater to depths of 2 m is replaced on average every ...
agupubs.onlinelibrary.wiley.com
January 24, 2026 at 7:33 AM
Annual Weather Patterns Drive Large Pulses of Saline Submarine Groundwater Discharge and Major Summer Inputs of Nutrients to the South Atlantic Bight - Vincent - 2026 - Journal of Geophysical Research: Oceans #stableisotopes agupubs.onlinelibrary.wiley.com/doi/10.1029/...
Hess, A.V., Auderset, A., Rosenthal, Y. et al. Contrasting evolution of the Arabian Sea and Pacific Ocean oxygen minimum zones during the Miocene. #stableisotopes Commun Earth Environ 7, 47 (2026). doi.org/10.1038/s432...
Contrasting evolution of the Arabian Sea and Pacific Ocean oxygen minimum zones during the Miocene - Communications Earth & Environment
The Arabian Sea and eastern tropical Pacific oxygen minimum zones were better oxygenated during the warm Miocene, but with regional complexities, according to analysis of trace elements and nitro...
doi.org
January 24, 2026 at 7:29 AM
Hess, A.V., Auderset, A., Rosenthal, Y. et al. Contrasting evolution of the Arabian Sea and Pacific Ocean oxygen minimum zones during the Miocene. #stableisotopes Commun Earth Environ 7, 47 (2026). doi.org/10.1038/s432...
Rethinking the 2H fingerprint of carbohydrates: a novel proxy for plant metabolism and performance - Holloway‐Phillips - 2026 - New Phytologist #stableisotopes nph.onlinelibrary.wiley.com/doi/full/10....
Rethinking the 2H fingerprint of carbohydrates: a novel proxy for plant metabolism and performance
The intricate architecture of plant metabolic networks and the dynamic fluxes of elements through these networks are fundamental determinants of how carbon (C) is partitioned among growth, reproducti....
nph.onlinelibrary.wiley.com
January 24, 2026 at 7:22 AM
Rethinking the 2H fingerprint of carbohydrates: a novel proxy for plant metabolism and performance - Holloway‐Phillips - 2026 - New Phytologist #stableisotopes nph.onlinelibrary.wiley.com/doi/full/10....