🧪🦑 Check out our new study where we analysed #Mercury and #StableIsotopes in 2 #deepsea #fish species from #SouthGeorgia in the #SouthernOcean 🐟🧑🔬🇬🇸🇦🇶
authors.elsevier.com/sd/article/S...
@ucoimbra.bsky.social @uaveiro.bsky.social @bas.ac.uk
@umrlienss.bsky.social @arnetla.bsky.social
authors.elsevier.com/sd/article/S...
@ucoimbra.bsky.social @uaveiro.bsky.social @bas.ac.uk
@umrlienss.bsky.social @arnetla.bsky.social
October 27, 2025 at 10:12 AM
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New job opportunity in our project!
Want to join us — or know someone who could?
More details coming soon.
The PhD will be supervised by Cristina Valdiosera and Colin Smith
#JobOpening #ERC #Spain #UBU #México #PhD #PhDposition #Mestizaje #stableisotopes
Want to join us — or know someone who could?
More details coming soon.
The PhD will be supervised by Cristina Valdiosera and Colin Smith
#JobOpening #ERC #Spain #UBU #México #PhD #PhDposition #Mestizaje #stableisotopes
October 16, 2025 at 4:20 PM
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The signal and the noise: inherent challenges for isotopic studies in bioarchaeology #stableisotopes www.sciencedirect.com/science/arti...
The signal and the noise: inherent challenges for isotopic studies in bioarchaeology
Isotopic analysis as a method of assessing diet or geographical origin is now ubiquitous in archaeology, to the point where seemingly no project is co…
www.sciencedirect.com
October 11, 2025 at 1:24 AM
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Wei, B., Zhang, D., Voigt, C. et al. Progressive decline in soil nitrogen stocks with warming in a Tibetan permafrost ecosystem. #stableisotopes Nat. Geosci. 18, 997–1004 (2025). doi.org/10.1038/s415...
Progressive decline in soil nitrogen stocks with warming in a Tibetan permafrost ecosystem - Nature Geoscience
Topsoil nitrogen stocks declined over a ten-year field warming experiment in a permafrost ecosystem due to enhanced plant nitrogen uptake, nitrogen leaching and gaseous losses, suggesting that permafrost soil nitrogen stocks are vulnerable to warming.
doi.org
October 10, 2025 at 10:30 PM
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New paper by Tamsin O’Connell:
This is a MUST read for all archaeologists who include isotopes in their projects.
“The signal and the noise: inherent challenges for isotopic studies in bioarchaeology”
doi.org/10.1016/j.ja...
#stableisotopes
This is a MUST read for all archaeologists who include isotopes in their projects.
“The signal and the noise: inherent challenges for isotopic studies in bioarchaeology”
doi.org/10.1016/j.ja...
#stableisotopes
Redirecting
doi.org
September 25, 2025 at 7:30 AM
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FAMM is by far the largest #fossil database (~3400 specimens), including 3 #Whale 🐋 species, #PolarBear 🐻❄️, #Walrus, 6 #Seal species 🦭, and the Steller's Sea Cow.
FAMM is also the FIRST fossil database to harmonize #Radiocarbon ☢️, #StableIsotopes ⚛️, and #AncientDNA 🧬 at the specimen level!
🧵 2/🦴
FAMM is also the FIRST fossil database to harmonize #Radiocarbon ☢️, #StableIsotopes ⚛️, and #AncientDNA 🧬 at the specimen level!
🧵 2/🦴
September 19, 2025 at 4:10 AM
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It was fun presenting a poster on #veganic #agroecology & chairing a session on #OrganicMatter in agricultural #soils at the #DBG2025 conference this week in Tübingen. Looking forward to the excursion tomorrow, before our #BaySISS summer school on #StableIsotopes starts @bayceer.bsky.social.
September 18, 2025 at 4:27 PM
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Converting acidic forests to managed plantations reduces soil nitrogen loss by inhibiting autotrophic nitrification while inducing nitrate immobilization in the tropics. #stableisotopes Biol Fertil Soils 61, 595–607 (2025). doi.org/10.1007/s003...
Converting acidic forests to managed plantations reduces soil nitrogen loss by inhibiting autotrophic nitrification while inducing nitrate immobilization in the tropics - Biology and Fertility of Soil...
Soil gross nitrogen (N) transformation rates are highly sensitive to land use change. However, understanding the effect of land use change on internal N cycling patterns and its underlying mechanisms ...
doi.org
March 17, 2025 at 12:44 AM
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Say what? Say hi!
I loved sharing marine science and ideas, so come say hi! Rebuilding my cool network of research & #SciComm pros:
#MarineConservation, #TrophicEcology, #MPAs, #Isoscapes,
#InvasiveSpecies, #StableIsotopes, #MarineManagement
I loved sharing marine science and ideas, so come say hi! Rebuilding my cool network of research & #SciComm pros:
#MarineConservation, #TrophicEcology, #MPAs, #Isoscapes,
#InvasiveSpecies, #StableIsotopes, #MarineManagement
a scuba diver is holding a rope in the ocean
ALT: a scuba diver is holding a rope in the ocean
media.tenor.com
January 21, 2025 at 2:49 PM
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...amples from other planets or moons could be a significant clue indicating past or present biological activity. #Astrobiology #IsotopicRatios #Biosignatures #IsotopeFractionation #StableIsotopes #LifeDetection #PlanetaryScience #Geochemistry #IndirectDetection
January 2, 2025 at 2:00 AM
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Constraining Wetland and Landfill Methane Emission Signatures Through Atmospheric Methane Clumped Isotopologue Measurements - Sun - 2025 - Journal of Geophysical Research: Biogeosciences #stableisotopes agupubs.onlinelibrary.wiley.com/doi/full/10....
Constraining Wetland and Landfill Methane Emission Signatures Through Atmospheric Methane Clumped Isotopologue Measurements
Methane clumped isotopologues can fingerprint methane sources, using the Keeling plot method and a new mathematical method Methane clumped isotopologue signatures of background air, landfill, and...
agupubs.onlinelibrary.wiley.com
April 29, 2025 at 9:52 PM
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Decoupling of the Organic and Inorganic Lacustrine Carbon Cycles on the Chinese Yunnan Plateau in Response to Human Activities - Hillman - 2025 - Journal of Geophysical Research: Biogeosciences #stableisotopes agupubs.onlinelibrary.wiley.com/doi/abs/10.1...
Decoupling of the Organic and Inorganic Lacustrine Carbon Cycles on the Chinese Yunnan Plateau in Response to Human Activities
Organic and inorganic carbon isotopes over the last 5,500 years are compared in three lake sediment profiles from China Natural climate variability resulted in substantial changes in lake carbon ...
agupubs.onlinelibrary.wiley.com
April 29, 2025 at 10:06 PM
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Aerobic nitrogen cycling in a molybdenum-limited, redox-stratified Mesoproterozoic epeiric sea #stableisotopes www.sciencedirect.com/science/arti...
Aerobic nitrogen cycling in a molybdenum-limited, redox-stratified Mesoproterozoic epeiric sea
Nitrogen is a critically important element for life on Earth, and its cycling through the ocean-atmosphere system is a biologically mediated process t…
www.sciencedirect.com
May 5, 2025 at 1:38 PM
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Assessing the applicability of sequential eye lens stable isotope analysis for reconstructing dietary histories in amphibians - Shiga - Limnology and Oceanography: Methods #stableisotopes aslopubs.onlinelibrary.wiley.com/doi/abs/10.1...
Assessing the applicability of sequential eye lens stable isotope analysis for reconstructing dietary histories in amphibians
Retrospective isotope analysis using metabolically inert tissues is a powerful tool for reconstructing historical environmental conditions experienced by animals. Although this technique has been suc...
aslopubs.onlinelibrary.wiley.com
April 27, 2025 at 11:21 AM
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Autumn Migration to Higher Latitudes in Seminole Bats (Lasiurus seminolus) Redefines Seasonal Ranges: Evidence From Stable Isotopes and Fatality Data From Wind Energy Facilities - Wilson - 2025 - Ecology and Evolution - Wiley Online Library onlinelibrary.wiley.com/doi/full/10.... #stableisotopes
Autumn Migration to Higher Latitudes in Seminole Bats (Lasiurus seminolus) Redefines Seasonal Ranges: Evidence From Stable Isotopes and Fatality Data From Wind Energy Facilities
We found 49 Seminole bats (Lasiurus seminolus) hundreds of kilometers outside of their currently accepted range boundary in autumn. Using a combination of genetic and molecular techniques, we determi...
onlinelibrary.wiley.com
June 30, 2025 at 11:12 AM
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Reimagining the Kendall plot: using δ15N and δ18O of nitrate and advanced machine learning to improve N pollutant source classification: Isotopes in Environmental and Health Studies: Vol 0, No 0 www.tandfonline.com/doi/abs/10.1... #stableisotopes
Reimagining the Kendall plot: using δ15N and δ18O of nitrate and advanced machine learning to improve N pollutant source classification
Nitrate (NO3−) pollution is a serious water quality issue in many countries due to contamination of lakes, rivers, and aquifers by intensive agriculture practices and inadequate wastewater manageme...
www.tandfonline.com
March 28, 2025 at 2:50 AM
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Stable isotopic composition of Antarctic and Patagonian marine mammals collected before and during industrial-scale whaling: assessing the baseline for long-term changes in the marine ecosystem royalsocietypublishing.org/doi/full/10.... #stableisotopes
Stable isotopic composition of Antarctic and Patagonian marine mammals collected before and during industrial-scale whaling: assessing the baseline for long-term changes in the marine ecosystem | Phil...
Great Antarctic expeditions, seal hunting and whaling industries left a legacy in
natural history collections. To provide the basis for analysing the impact of whaling
on marine ecosystem structuring,...
royalsocietypublishing.org
July 13, 2025 at 9:50 AM
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First-principles calculations of equilibrium isotope fractionation of Cl, Ca, and O in apatites and amphiboles #stableisotopes www.sciencedirect.com/science/arti...
First-principles calculations of equilibrium isotope fractionation of Cl, Ca, and O in apatites and amphiboles
Apatites and amphiboles are common hydrous minerals in igneous and metamorphic rocks, which can be found from the crust to the lithospheric mantle. Th…
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May 30, 2025 at 11:26 AM
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Unlocking the Potential of Tracer Technology as a Tool for Quantifying Fertilizer Use Efficiency - Varanasi - 2025 - Journal of Plant Nutrition and Soil Science #stableisotopes onlinelibrary.wiley.com/doi/abs/10.1...
Unlocking the Potential of Tracer Technology as a Tool for Quantifying Fertilizer Use Efficiency
With the increase in the global population, the importance of efficient use of fertilizer will become essential, and the development of innovative and effective fertilizer use efficiency (FUE) strate....
onlinelibrary.wiley.com
June 1, 2025 at 9:38 AM
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Individual Microfossil δ13C Shows That δ13Corg Excursions in the Neoproterozoic Chuar Group Do Not Reflect the Exogenic Carbon Cycle - Agić - 2025 - Geobiology #stableisotopes onlinelibrary.wiley.com/doi/full/10....
Individual Microfossil δ13C Shows That δ13Corg Excursions in the Neoproterozoic Chuar Group Do Not Reflect the Exogenic Carbon Cycle
Changes in δ13C value of bulk sedimentary organic matter (OM) throughout Earth's history are thought to reflect carbon cycle perturbations, but as sedimentary OM may derive from multiple sources, it ...
onlinelibrary.wiley.com
June 2, 2025 at 3:28 AM
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A Method for Accurate Quantification of 15N-Enriched Nitric Oxide with Membrane Inlet Mass Spectrometer | Analytical Chemistry pubs.acs.org/doi/10.1021/... #stableisotopes
A Method for Accurate Quantification of 15N-Enriched Nitric Oxide with Membrane Inlet Mass Spectrometer
Nitric oxide (NO), a key nitrogen cycle intermediate, is an important atmospheric pollutant. However, a reliable method for the accurate determination of NO remains scarce. Here, we report a novel iso...
pubs.acs.org
August 31, 2025 at 11:55 AM
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Antagonistic effect of changing salinity and dissolved organic carbon on N2O production via different pathways in saline lakes #stableisotopes www.sciencedirect.com/science/arti...
Antagonistic effect of changing salinity and dissolved organic carbon on N2O production via different pathways in saline lakes
Saline lakes are experiencing significant changes in salinity and organic matter content due to climate change. However, the specific impacts of these…
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September 2, 2025 at 1:31 PM
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Compound-specific carbon and hydrogen isotope analysis traces archaeal lipid signatures in cold seep marine systems #stableisotopes www.sciencedirect.com/science/arti...
Compound-specific carbon and hydrogen isotope analysis traces archaeal lipid signatures in cold seep marine systems
Compound-specific stable isotope analyses of archaeal lipid biomarkers can provide useful information on biogeochemical cycling in marine systems. Whi…
www.sciencedirect.com
September 28, 2025 at 11:00 AM
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Gustafsson, J., Osinski, G.R., Roberts, N.M.W. et al. Deep microbial colonization during impact-generated hydrothermal circulation at the Lappajärvi impact structure, Finland. #stableisotopes Nat Commun 16, 8270 (2025). doi.org/10.1038/s414...
Deep microbial colonization during impact-generated hydrothermal circulation at the Lappajärvi impact structure, Finland - Nature Communications
Meteorite impacts can create long-lived hydrothermal systems that may spark onset of microbial life. At Finland’s Lappajärvi crater, minerals in fractures contain biosignatures of microbial life relat...
doi.org
September 20, 2025 at 11:47 AM
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Geological Record of Atmospheric Nitrogen Fixation During Explosive Supereruptions: The Case of Tecopa Basin, California - Contamine - 2025 - Journal of Geophysical Research: Solid Earth #stableisotopes agupubs.onlinelibrary.wiley.com/doi/full/10....
Geological Record of Atmospheric Nitrogen Fixation During Explosive Supereruptions: The Case of Tecopa Basin, California
Use of nitrogen and oxygen isotopic signatures of nitrate to investigate atmospheric nitrogen fixation by volcanic lightning
Evidence for atmospheric nitrate enrichment in volcanic deposits relat...
agupubs.onlinelibrary.wiley.com
October 11, 2025 at 1:09 AM
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