Dr. Luke Jeffrey @jeffrethane.bsky.social · 24/08/2026Very pleased to see my “monkey selfie” among the finalists! 🌿📸 So many incredible images showcasing the people, places and stories behind ecological research. Definitely worth a look! ⬇️ 020
Reposted by Dr. Luke JeffreyAdam Frew @frewecologist.bsky.social · 23/03/2026Postdoc (2 years) in mycorrhizal fungal biogeography & species distribution modelling @umeaplantsciencecentre.se Work with large-scale metabarcoding data and modelling. Deadline is 30th April www.umu.se/en/work-with...umu.sePostdoctoral scholarship (2 years) in mycorrhizal biogeography and species distribution modelling 03434
Reposted by Dr. Luke JeffreyThe Conversation AUNZ @aunz.theconversation.com · 10/01/2026We already knew forests were heavy lifters in reducing climate pollution. New research reveals the tiny microbes in tree bark can also 'eat' climate gases. 👉 Read the full story: theconversation.com/we-disc... 24221
Reposted by Dr. Luke JeffreyScience Magazine @science.org · 18/01/2026In a new Science study, researchers report that bark microbes process methane, hydrogen, and carbon monoxide, showing that bark is an important component of global trace gas dynamics. Learn more in a new #SciencePerspective: scim.ag/4qX0MxL scim.agTree bark microbes for climate managementMicrobes living in bark can process the greenhouse gases methane, hydrogen, and carbon monoxide 17816
Reposted by Dr. Luke JeffreyMike Peacock @peatymike.bsky.social · 14/01/2026Our new ditch GHG paper now online in final view. A great team effort led by @tksilver.bsky.social with contributions from an all-star cast of supporting authors. iopscience.iop.org/article/10.1... 183
Reposted by Dr. Luke JeffreyDamien Maher @drdamo77.bsky.social · 08/01/2026Bark microbiota modulate climate-active gas fluxes in Australian forests | Science www.science.org/doi/10.1126/...science.orgBark microbiota modulate climate-active gas fluxes in Australian forestsRecent studies suggest that microbes inhabit tree bark, yet little is known about their identities, functions, and environmental roles. Here we reveal, through gene-centric and genome-resolved metagen... 074
Reposted by Dr. Luke JeffreyScience Magazine @science.org · 08/01/2026New research reveals that paperbarks, among other trees, host abundant, specialized, and metabolically active bark-dwelling microbial communities that modulate climatically relevant gases, including methane, hydrogen, and carbon monoxide. Learn more this week in Science: scim.ag/4bp9hgl 38117
Reposted by Dr. Luke JeffreyNew Scientist @newscientist.com · 11/01/2026Tree bark has a total surface area similar to all of the land area on Earth. It is home to a wide range of microbial species unknown to science, and they can either take up or emit gases that have a warming effect on the climatenewscientist.comTree bark microbiome has important overlooked role in climateTree bark has a total surface area similar to all of the land area on Earth. It is home to a wide range of microbial species unknown to science, and they can either take up or emit gases that have a warming effect on the climate 0147
Reposted by Dr. Luke JeffreyNew Scientist @newscientist.com · 15/01/2026Tree bark has a total surface area similar to all of the land area on Earth. It is home to a wide range of microbial species unknown to science, and they can either take up or emit gases that have a warming effect on the climatenewscientist.comTree bark microbiome has important overlooked role in climateTree bark has a total surface area similar to all of the land area on Earth. It is home to a wide range of microbial species unknown to science, and they can either take up or emit gases that have a warming effect on the climate 0148
Dr. Luke Jeffrey @jeffrethane.bsky.social · 13/01/2026(1/8) 🚨Thrilled to share our new research, now published on the cover of @science.org ! 🌳🦠 We discovered that tree #Bark — largely regarded as inert — hosts vast #Microbial communities that actively interact with the atmosphere. 🧵👇 www.science.org/doi/10.1126/... 22310
Dr. Luke Jeffrey @jeffrethane.bsky.social · 19/11/2025New #PrePrint by #PhD @jodittmann.bsky.social open for discussion on @egubg.bsky.social investigating the question: 'Are #GhostForests a substantial source of #Methane from #Reservoirs?' 👻🪵 👇 egusphere.copernicus.org/preprints/20... 074
Reposted by Dr. Luke JeffreybioRxiv Microbiology @biorxiv-microbiol.bsky.social · 16/11/2025Bark-associated diazotroph communities are a cryptic source of nitrogen in forests www.biorxiv.org/content/10.1101/202… 032
Reposted by Dr. Luke JeffreybioRxivpreprint @biorxivpreprint.bsky.social · 16/11/2025Bark-associated diazotroph communities are a cryptic source of nitrogen in forests www.biorxiv.org/content/10.1101/202… 022
Reposted by Dr. Luke JeffreyNature @nature.com · 09/06/2025A global analysis reveals that most carbon dioxide emitted by rivers derives not from modern plant material, as was thought, but from ancient, buried carbon go.nature.com/3FQOdlsgo.nature.comAncient carbon released through modern riversA global analysis reveals that most carbon dioxide emitted by rivers derives not from modern plant material, as was thought, but from ancient, buried carbon. 04514
Reposted by Dr. Luke JeffreyErin Hotchkiss @fluvialbenthos.bsky.social · 07/06/2025Enjoyed being back on the New River in southwest Virginia. First float of the year after full leaf out & first time floating this section (Whitehorne -> Eggleston) after hurricane Helene. 1211
Reposted by Dr. Luke JeffreyMike Peacock @peatymike.bsky.social · 05/06/2025No advert out yet, but I will recruiting a 2yr postdoc, start date autumn 2025, at @livunigeog.bsky.social soon. Lowland and upland peatlands, GHGs, DOM and water chemistry. Plenty of fieldwork. Feel free to drop me a DM or email if you might be interested, and please spread the word. 01523
Reposted by Dr. Luke JeffreyAdam Frew @frewecologist.bsky.social · 04/06/2025It’s alive! Our Mycorrhizal Networks special issue is out in Functional Ecology. Packed with spore-tacular science. A collection that highlights advances, identifies unresolved questions & the future research directions. besjournals.onlinelibrary.wiley.com/doi/10.1111/...besjournals.onlinelibrary.wiley.comMycorrhizal networks: Understanding hidden complexityRead the free Plain Language Summary for this article on the Journal blog. 15023
Reposted by Dr. Luke JeffreyPenny Johnes @pennyjohnes.bsky.social · 11/02/2025We are seeking a Postdoctoral Researcher (PDRA) in Freshwater Ecosystem Ecology researching the role of organic matter as a nutrient resource in freshwater ecosystems. A 4.5 year role with great training opportunites in isotope ecology and mesocosm experimental science www.jobs.ac.uk/job/DLU610/p... 13844
Reposted by Dr. Luke JeffreyMike Peacock @peatymike.bsky.social · 03/02/2025There's a postdoc in peatland biogeochemistry advertised on our project by Dolly Kothawala and Gustaf Granath at Uppsala University. I can highly recommend Uppsala as a place to live and work. www.uu.se/en/about-uu/...uu.sePostdoctoral position in peatland biogeochemistry - Uppsala UniversityPostdoctoral position in peatland biogeochemistry, Department of Ecology and Genetics, Uppsala University 01412
Reposted by Dr. Luke JeffreyBob Hilton @profbobhilton.bsky.social · 04/06/2025New paper! led by Josh Dean “Old carbon routed from land to the atmosphere by global river systems” doi.org/10.1038/s415... #radiocarbon in #rivers reveals the age of CO2 they release to the atmosphere. An active leak of old carbon from land. 🧪⚒️ @joshfdean.bsky.social @oxuniearthsci.bsky.social 24413
Reposted by Dr. Luke JeffreyPep Canadell @pepcanadell.bsky.social · 04/06/2025A fantastic new mapping product for the world's inland waters, a critical driver for studying GHG emissions, biodiversity, and much more. Mapping the world's inland surface waters: an upgrade to the Global Lakes and Wetlands Database (GLWD v2) essd.copernicus.org/articles/17/...essd.copernicus.orgMapping the world's inland surface waters: an upgrade to the Global Lakes and Wetlands Database (GLWD v2)Abstract. In recognition of the importance of inland waters, numerous datasets mapping their extents, types, or changes have been created using sources ranging from historical wetland maps to real-tim... 01312
Dr. Luke Jeffrey @jeffrethane.bsky.social · 04/06/2025One way to collect 500 mL of #methane ebullition from a #GhostForest in 8 m of standing water… 061
Dr. Luke Jeffrey @jeffrethane.bsky.social · 04/06/2025What a way to start the (sampling) day 👌 with @jodittmann.bsky.social 093
Dr. Luke Jeffrey @jeffrethane.bsky.social · 04/06/2025Top winters day back at the Ghost Forest sampling for @jodittmann.bsky.social PhD projects. Plenty of ebullition bubbles down there!! 041
Reposted by Dr. Luke JeffreyJohannes Dittmann @jodittmann.bsky.social · 02/06/2025Back in the Ghost Forest, looking #GHG from dead trees with @jeffrethane.bsky.social 041
Reposted by Dr. Luke JeffreyJackie Webb @jackiewebb.bsky.social · 02/04/2025Last week I had the pleasure of hosting our @soaes-unisq.bsky.social undergrad students studying Water Science during the WAT1101 residential school. In true Toowoomba style, the students had the full immersion experience, with consistent rain during the entire 3 days of our field tour. 282
Reposted by Dr. Luke JeffreyVincent Gauci @gaucigauci.bsky.social · 06/02/2025Here’s our The Conversation piece about the research.theconversation.comReducing air pollution could increase methane emissions from wetlands – here’s what needs to be doneImproved computer models shed light on how reducing sulphur emissions will inadvertently release methane from wetlands. 085
Reposted by Dr. Luke JeffreyAdam Frew @frewecologist.bsky.social · 02/05/2025What if plants could pick their own fungal protectors?! ⚔️🌱 We're looking for a PhD student for a unique dual award PhD. Based at Western Sydney Uni & spend 12-18 months at University of Sheffield. You will work with me and with Profs Katie Field, Scott Johnson, Jeff Powell, and Jurriaan Tonn. 074
Reposted by Dr. Luke JeffreyAlex Cabral @acabral.bsky.social · 03/04/2025🌿 Pristine mangroves absorb nitrous oxide (N2O), offsetting up to 71% of methane (CH4) emissions. 🌎 Global N2O uptake may compensate one-third of aquatic CH4 emissions. aslopubs.onlinelibrary.wiley.com/doi/full/10.... @aslo.org @barefootlab.bsky.social @biogeoste.bsky.social #ASLO_Letters 0146
Reposted by Dr. Luke JeffreyDr Maria B Mills @mariabmills.bsky.social · 07/04/2025Our new paper is out today @newphyt.bsky.social We investigated the bias involved in woody stem CO2 efflux measurements in tropical forests - including diel and vertical variations, and used TLS to upscale vertical variations and estimate stem surface area nph.onlinelibrary.wiley.com/doi/10.1111/...nph.onlinelibrary.wiley.comInvestigating the accuracy of tropical woody stem CO2 efflux estimates: scaling methods, and vertical and diel variationStem CO2 efflux (EA) significantly contributes to autotrophic and ecosystem respiration in tropical forests, but field methodologies often introduce biases and uncertainty. This study evaluates thes... 1167
Reposted by Dr. Luke JeffreyYvonne YY Yau @yvonneyau.bsky.social · 18/02/2025My last PhD chapter is out! Combined GHG fluxes reveal a net carbon sink across a glacier-ocean continuum — glacier exports CH₄ to coastal waters, but strong CO₂ uptake outweighs GHG emissions. 🌊❄️ Read more: agupubs.onlinelibrary.wiley.com/doi/full/10....agupubs.onlinelibrary.wiley.comCombined CH4, N2O, and CO2 Fluxes Reveal a Net Carbon Sink Across a Glacier‐Ocean ContinuumA rapidly-retreating marine-terminating glacier exported CH4 to nearshore waters N2O was undersaturated near the glacier front The regional CO2 sink greatly outweighs CH4 and N2O emissions 1127
Dr. Luke Jeffrey @jeffrethane.bsky.social · 10/04/2025And that’s a wrap! Huge effort from #SCU team working in the hot and humid tropical #wetland and #Savannah #forests in the Northern Territory. Many thanks to #CDU colleagues for incredible support and assistance 🙌 Now it’s time for GHG data analysis… 1120
Dr. Luke Jeffrey @jeffrethane.bsky.social · 05/04/2025Photo dump from amazing field sites in Australia’s Northern Territory. Our #PhD students are collecting data to better understand #carbon, #nutrient and green house gas fluxes in #tropical wetland and upland forests.🌳 1100
Dr. Luke Jeffrey @jeffrethane.bsky.social · 03/04/2025Our terrestrial #biogeochemistry research team in action yesterday investigating #GHG, #nutrient and #carbon fluxes in tropical wetland forests in the Northern Territory. #treethane 090
Dr. Luke Jeffrey @jeffrethane.bsky.social · 01/04/2025Tropical fieldwork day 2. Only 102 mm of rain yesterday🙃A few pics between the deluge ⛈️ 140
Dr. Luke Jeffrey @jeffrethane.bsky.social · 31/03/2025Fieldwork in the tropics - 12 degrees south 🐊⛈️🦟 140
Dr. Luke Jeffrey @jeffrethane.bsky.social · 30/01/2025New Zealand tree appreciation after a recent holiday. Amazing Redwoods, deadwoods, Kauri and Pohutukawa on the north island. 060
Reposted by Dr. Luke JeffreyVincent Gauci @gaucigauci.bsky.social · 09/12/2024Going to re-up these two post doc opportunities as the deadline is fast approaching. 073
Reposted by Dr. Luke JeffreyBen Bond-Lamberty @benbondlamberty.bsky.social · 14/01/2025Firefighting planes are dumping ocean water on the Los Angeles fires − why using saltwater is typically a last resort theconversation.com/firefighting... by Pat Megonigal of SERC!theconversation.comFirefighting planes are dumping ocean water on the Los Angeles fires − why using saltwater is typically a last resortIn emergencies, dumping ocean water on fires may be the best option. But seawater can have long-term effects on equipment and ecosystems, as a novel coastal experiment shows. 0125
Reposted by Dr. Luke JeffreyIsaac Santos @barefootlab.bsky.social · 15/01/2025Awesome outcome of Apra Tomer’s MSc work summarising >10 years of field investigations at 40 coastal systems from 14 countries. Groundwater discharge explained much of the CO2 tidal dynamics in nearshore waters. www.science.org/doi/full/10....science.orgGroundwater releases CO2 to diverse global coastal ecosystemsGroundwater is a hidden, steady source of CO2 to coastal waters. 0149
Reposted by Dr. Luke JeffreyJackie Webb @jackiewebb.bsky.social · 14/01/2025Proud to be a part of the authorship team on this one! Groundwater discharge contributes large amounts of carbon dioxide to coastal ecosystems and warrants inclusion in their carbon budgets. www.science.org/doi/full/10....science.orgGroundwater releases CO2 to diverse global coastal ecosystemsGroundwater is a hidden, steady source of CO2 to coastal waters. 02910
Dr. Luke Jeffrey @jeffrethane.bsky.social · 04/12/2024A new paper by Amaral et al., showing that #TreeStem #Methane fluxes exceeds #Ebullition and #Diffusive flux pathway from innundated #Amazonian #Wetland #Forests www.tandfonline.com/doi/full/10....tandfonline.comMethane and carbon dioxide evasion from a mosaic of Amazon lakes, river channels, and inundated forestsSeasonally inundated forests are the largest type of wetland in the Amazon basin. Here we provide new data from inundated forests, a lake, and river channels during high water in the forested Anavi... 020
Dr. Luke Jeffrey @jeffrethane.bsky.social · 26/11/2024A new paper: 'Tidal influence on #CarbonDioxide and #Methane fluxes from #TreeStems and soils in #Mangrove forests' in @eurogeosciences.bsky.social bg.copernicus.org/articles/21/...bg.copernicus.orgTidal influence on carbon dioxide and methane fluxes from tree stems and soils in mangrove forestsAbstract. Mangroves are critical blue carbon ecosystems. Measurements of methane (CH4) emissions from mangrove tree stems have the potential to reduce uncertainty in the capacity of carbon sequestrati... 0176
Reposted by Dr. Luke JeffreyProf. Kerrylee Rogers @kerryleerogers.bsky.social · 22/11/2024As we approach the end of 2024 I wanted to share some field trip highlights 1/n January 2024 My hefty Aussie bulldog (hence life jacket) has well developed sea legs taking a peruse on St George’s Basin where fetch driven erosion of northern shorelines is evident 1241
Reposted by Dr. Luke JeffreyJackie Webb @jackiewebb.bsky.social · 26/11/2024Aquatic science folks: Would anyone mind sharing a conference poster that presents some kind of water quality time series data? I'm developing a water science course where students will make a poster on water quality data they collect during the trimester. I would love to provide some examples! 247
Reposted by Dr. Luke JeffreyARC Tracker @arc-tracker.bsky.social · 26/11/2024🚨 #DiscoveryProjects #DP25 announcement: ❗️Outcomes announced publicly for Discovery Projects 2025❗️ See ARC's RMS for list ➡️ rms.arc.gov.au/RMS/Report/D... /botrms.arc.gov.auResearch Management System - Scheme Round Statistics for Approved Applications - Discovery Projects 2025 round 1RMS is the ARC's Research Management System, a web-based system used by eligible researchers to prepare and submit research proposals and assessments under the ARC National Competitive Grants Program ... 36836
Reposted by Dr. Luke JeffreyChris Greening @greening.bsky.social · 26/11/2024You hear about our successes a lot on here, but I don't talk enough about the rejections. As of today, 10 out of the 12 grants members of our lab put in this year didn't get up. Most grants were led by early-career researchers in/with our team as a way for them to lead independent programs. 1/3 24710
Dr. Luke Jeffrey @jeffrethane.bsky.social · 26/11/2024Recent #Fieldwork rekkie scouting out forested #wetland sites for new #PhD student Scott Cramb to investigate #tree dwelling trace gas #microbial communities and fluxes 0121
Reposted by Dr. Luke JeffreyChris Greening @greening.bsky.social · 20/11/2024Honoured to receive Monash University's inaugural Researcher of the Year award last night. Since starting my group eight years ago, the university has enabled us to do creative, impactful, often programmatic research. This award recognises a huge collective effort from our team and collaborators. 4172