#Stableisotope analysis of #wolf teeth to see how many #seaotter they are eating? Interesting....
#GrayWolves Are Hunting Sea Otters – and Scientists Don’t Know How share.google/TIS4wsYswfYW...
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Hashtag
#StableIsotope
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How do we precisely track a bear's diet over time? 🐻 New research tests two #NonInvasive methods (dyeing & #StableIsotope tracing) to quantify hair growth rates in bears (Grizzly, Black, & Polar). This will help us understand bear seasonal diet data! 🧬📈
Read it here ➡️ doi.org/10.1093/conp...
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A new job for #StableIsotope & #massspectrometer enthusiasts for 6 years in the @clusterroots.bsky.social at @uni-kiel.de: Responsibility for running the machines & for measurements. Science people, do not be put off by the word "Engineer". Deadline 31.12.25. Link: www.uni-kiel.de/personal/de/...
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Job offer: PhD student in Palaeoclimatology/-ecology (f/m/d) As part of the SNF-project Signatures of Global Late Glacial Climate Change in Tree-Ring Records (SiGnaL), co-led by the Dendrosciences group at WSL and the Laboratory of Ion Beam Physics (LIP) at ETH Zurich, you will, along with two other PhD students and technicians, contribute to understanding the nature and drivers of abrupt climate changes during the Late Glacial period (approximately 11’000-15’000 years ago). Your work will include the collection, measurement, and integration of fossil wood and tree-ring material from various global sites. Through a multi-proxy approach - combining radiocarbon dating, stable isotope ratios, and quantitative wood anatomy - you will help to date and synchronize records across regions and reconstruct regional to global climate dynamics. This will help refine our understanding of Late Glacial climate dynamics and contribute to improvements of the global radiocarbon calibration curve. You have a Master's degree in Environmental Sciences, Earth Sciences, or a related field, and preferably have already gained experience with radio-carbon and stable isotope measurements. You are comfortable analyzing and visualizing data in R or Python and are motivated to publish your results in scientific journals. You enjoy to work in the lab, with large datasets, and have an interest in interdisciplinary and international research. You like to work independently, structured and accurate. You are communicative and team-oriented and have excellent spoken and written English language skills as well as at least the knowledge of one Swiss national language.
🪵 #PhDAlert! MSc in #Environmental Sciences or a related field? Experience in #radiocarbon and #StableIsotope measurements? Our #Dendrosciences group is offering a 4-year #PhD position in #palaeoclimatology & #palaeoecology: apply.refline.ch/273855/1764/... #ScienceJobs #dendrochronology #dendrology
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Job offer: Technician in Palaeoclimatology/-ecology 80% (f/m/d) As part of the SNSF-project Signatures of Global Late Glacial Climate Change in TreeRing Records (SiGnaL), co-led by the Dendrosciences Group at WSL and the Laboratory of Ion Beam Physics (LIP) at ETH Zurich, you will support research on the nature and drivers of abrupt climate changes during the Late Glacial period (approximately 11’000-15’000 years ago). You will assist three PhD researchers in dating, measuring, and synchronizing tree-ring samples from preserved subfossil wood across several regions. This will help refine our understanding of Late Glacial climate dynamics and contribute to improvements of the global radiocarbon calibration curve.Your main tasks will involve surface preparation and high-resolution scanning of subfossil tree-ring material, sample preparation for stable isotope analysis (δ¹³C / δ¹⁸O / δ²H) including image-based tree-ring width measurements, cutting of individual tree rings, cellulose extraction and homogenization, and packing of samples for isotope ratio mass spectrometry (IRMS). In addition, you will contribute to the production of quantitative wood anatomical (QWA) data by preparing wood microsections and image-based measurements of cell structures using the software ROXAS. You preferably hold a Master's degree in Environmental Sciences, Earth Sciences, or a related field and have demonstrated experience in preparing wood samples for stable isotope, QWA, and/or radiocarbon analysis. ldeally, you are familiar with dendrochronology and laboratory work, enjoy contributing to methodological advancements, and have interest in interdisciplinary and international research. You work independently, structured and accurate, are communicative and team-oriented, and have very good spoken and written English language skills.
🌲 #JobAlert! MSc in #Environmental Sciences or a related field? Experience in preparing wood samples for #StableIsotope and #radiocarbon analysis? Our #Dendrosciences group offers a position for a #technician: apply.refline.ch/273855/1763/... #ScienceJobs #dendrochronology
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Nitrogen Redox Controls on Greenhouse Gas Production in Yedoma Taliks #stableisotope onlinelibrary.wiley.com/doi/full/10....
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The #GroundWater + gas sampling trip you plan for vs reality.
Sampling conditions are not always ideal, so we set out to compare the #stableisotope results from a variety of sample containers.
🧪
www.sciencedirect.com/science/arti...
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#hormone #adaptation #migration #phenology #photoperiod #stableisotope @NordicOikos.bsky.social
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Screen pic showing mass spec stable isotope EA file and IRMS task list. Both have 5 things left to do.
😝 to my husband, who says I can't math
It's the end of a 30-hour analytical run & there are only 5 slots left in the EA file before it's full & I have 5 samples left to run, plus only 1 hour until 4pm Friday end of work week
I wasn't 💯 of my sums 😁
Time to wine+relax
#StableIsotope
#Science
🧪
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Interested in measuring #metabolite oxidation? In this video, Ken McKenna, PhD, explains how to use the Promethion Core #metabolic phenotyping system & the #StableIsotope Analyzer to measure #13C breath tracers. 🧪
ow.ly/MyZk50Uq4Oi
#Metabolism #Respirometry #IsotopeTracing
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We used a #stableisotope mixing model to estimate % contribution of #centipede prey to centipede tissues to infer #diet composition. 🧑🔬We spent many months in the field studying centipede #foraging and monitoring Black-winged Petrel (BWPE) #chicks 🐣
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Open position: postdoctoral fellowship in marine biogeochemistry. Join the #marinesymbiomes group @SznDohrn, btw #Genova and #Napoli & apply #stableisotope approaches to understand #marine #ecosystem functioning! Make the #ocean your office!
marinesymbiomes.eu/2022/11/23/ope…
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Still a few days left to apply for this exciting Postdoc opportunity! Join the #marinesymbiomes group @SznDohrn, btw #Genova and #Napoli & apply #stableisotope approaches to understand #marine #ecosystem functioning! Make the #ocean your office!
x.com/symbiostoic/st… marinesymbiomes.eu
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#Postdoc position @SznDohrn to work with me and Francesca Margiotta on "fluxes of matter and energy in #marine ecosystems by #stableisotope analysis". Docs are in #italian but DM me if interested! Please RT!
shorturl.at/htNTY
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Question for the #remotesensing and #stableisotope crowds - has anyone applied SI mixing models from #ecology to Multiple endmember spectral mixture analysis (MESMA) in remote sensing? They seem like kinda the same thing conceptually & I know mixing models have been leaping fwd
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